Martin Audio CCD5, CCD6, CCD12, CCD15, CCD8 User Manual

MARTIN AUDIO CDD SERIES

CDD SERIES USER GUIDE

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CONTENTS

APPROVALS ......................................................................................................4

Unpacking the Unit .................................................................................... 4

INTRODUCTION ................................................................................................ 5

Coaxial Differential Dispersion Technology .................................................... 6

THE CDD RANGE ..............................................................................................7

CDD Range Accessories .............................................................................. 8

Mounting accessories .........................................................................8

CDD MOUNTING HARDWARE ............................................................................9

Wall and ceiling mounting brackets .............................................................9

Yoke assemblies ......................................................................................11

Eye Bolts ................................................................................................11

VERTICAL AND HORIZONTAL DEPLOYMENT ..................................................... 12

Grille removal and replacement ................................................................. 13

Badge rotation ......................................................................................... 15

CHOOSING A MOUNTING LOCATION ................................................................ 16

First and second fixing .............................................................................17

Wall mounting – procedure .......................................................................18

CDD5 only ....................................................................................... 18

CDD6, CDD8, CDD10 and CDD12 .....................................................23

Ceiling mounting – procedure ....................................................................27

CDD5 only ....................................................................................... 27

CDD6 and CDD8 .............................................................................. 30

Mounting with a yoke assembly .................................................................33

Flying CDD Series cabinets ....................................................................... 37

CSX SERIES SUBWOOFERS - INSTALLATION ....................................................39

Flying CSX sub-woofers ............................................................................39

SYSTEM CONNECTIONS .................................................................................. 41

Impedances ............................................................................................41

70/100 V-line operation (Model CDD5TX only) ............................................42

Cable specifications .........................................................................42

System examples ..................................................................................... 43

1 x Stereo .......................................................................................43

2 x Stereo + 1 Sub .......................................................................... 43

3 x Stereo + 2 Sub ........................................................................... 44

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MARTIN AUDIO DX0.5

LOUDSPEAKER MANAGEMENT SYSTEM .......................................................... 45

CDD Preset List .......................................................................................45

Using alternative controllers ...................................................................... 46

Amplifiers – recommendations ..................................................................47

APPENDIX ...................................................................................................... 48

Specifications .......................................................................................... 48

CDD5, CDD6, CDD8 ......................................................................... 48

CDD10, CDD12, CDD15 ................................................................... 49

CSX112, CSX212 ............................................................................50

CSX118, CSX218 ............................................................................51

Technical Drawings ..................................................................................52

CDD5..............................................................................................52

CDD6..............................................................................................52

CDD8..............................................................................................53

CDD10 ...........................................................................................53

CDD12 ...........................................................................................54

CDD15 ...........................................................................................54

CSX112 .......................................................................................... 55

CSX212 .......................................................................................... 55

CSX118 .......................................................................................... 56

CSX218 .......................................................................................... 56

Speaker Bracket Templates ....................................................................... 57

CDD5 Wall Bracket...........................................................................57

CDD5 Ceiling Bracket ....................................................................... 58

CDD6 & CDD8 Wall Bracket ..............................................................59

CDD6 & CDD8 Ceiling Bracket ..........................................................60

CDD10 & CDD12 Wall Bracket ..........................................................61

WARRANTY.....................................................................................................62

COPYRIGHT AND TRADEMARKS ...................................................................... 62

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APPROVALS

This equipment conforms to the requirements of the EMC Directive 89/336/EEC, amended by
92/31/EEC and 93/68/EEC and the requirements of the Low Voltage Directive 72/23/EEC, as
amended by 93/68/EEC.

EMC Emission: EN55103-1:2009

EMC Immunity: EN55103-2:2009

Safety: IEC60065:2002 + A2:2010

UNPACKING THE UNIT

Thank you for purchasing a Martin Audio CDD Series speaker system. Every Martin Audio
loudspeaker is built to the highest standard and thoroughly inspected before it leaves the
factory. After unpacking the system, examine it carefully for any signs of transit damage and
inform your dealer if any is found. It is suggested that you keep the original packaging so that
the system can be repacked at a future date if necessary. Please note that neither Martin Audio
nor its distributors can accept any responsibility for damage to any returned product which arises
through the use of non-approved packaging.

Please think of our environment.

When the product has reached the end of its useful life, please dispose of it responsibly through
a recycling centre.

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INTRODUCTION

Thank you for purchasing this Martin Audio CDD loudspeaker system.

The Martin Audio CDD Series has been designed to fulfil the need for high performance sound in
pubs, bars, restaurants, retail premises, nightclubs, conference facilities, theatres, educational
institutions, places of worship, museums, exhibition centres and cruise ships, in an ultra­compact package.

CDD speakers deliver the highest quality audio over a wide area, with consistent coverage
throughout the venue.

The cabinets are styled to be architecturally unobtrusive. CDD enclosures (except for the CDD5)
are constructed from rigid, moulded UPM Formi, a fibre composite material combining stiffness
with excellent damping properties. The larger models (CDD8 upwards) have birch ply baffles and
all models feature flush, acoustically transparent steel grilles. Subwoofers are built in heavily
braced MDF enclosures. Enclosures come in either a white or black finish; with other RAL
colours available to order.

The CDD range of loudspeakers use two-way, full-range co-axial drivers, incorporating Martin
Audio’s exclusive Differential Dispersion horn technology. Passive crossovers optimised for the
drivers are fitted, obviating the need for bi-amping. The crossover frequency is between 1.6 kHz
and 2.5 kHz, depending on model.

The CDD range consists of six full-range units, with drivers from 5” to 15”. These are supplemented
by a range of four CSX sub-woofers with single or dual 12”, or single or dual 18” LF drivers.
Systems may be used individually or in multiples to suit a wide variety of applications. Link
connectors are fitted to facilitate daisy-chain wiring.

A version of the CDD5 is also available for 70/100 V-line operation. This model, the CDD5TX,
includes a high quality tapped transformer and a power setting switch, to allow the speaker
to be used with the 70 V-line or 100 V-line distribution systems used for announcements and
background music in office complexes, hotels and similar large buildings.

A wide range of installation accessories is also available, permitting wall, ceiling or flown mounting.
Mounting hardware is suitable for first and second fix construction industry conventions.

This User Guide provides a detailed explanation of the CDD’s features and options. Please take
the time to read through the Guide even if you are experienced with other Martin Audio products.

Thank you again for placing your confidence in Martin Audio products.

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COAXIAL DIFFERENTIAL DISPERSION TECHNOLOGY

All CDD Series full-range models feature Martin Audio’s unique, patent-pending Coaxial
Differential Dispersion™ technology. CDD systems augment the ‘point-source’ benefits of coaxial
drivers with the consistency of coverage which Differential Dispersion technology can deliver.

Non-coaxial systems can suffer from uneven frequency response in the crossover region because
of interference between the LF and HF sections; depending on the listening position, this causes
off-axis variations, particularly close to the loudspeaker. In contrast, coaxial systems aim to sum
LF and HF contributions at all positions off-axis, even close-up.

A disadvantage of conventional coaxial devices can be HF beaming, where the HF dispersion
reduces at higher frequencies. This is primarily because the HF energy emerges through a narrow
tube in the pole-piece of the magnet system. CDD Series coaxial devices overcome this by the
use of a static waveguide that merges seamlessly with the unique cone shape — maintaining the
dispersion pattern even at very high frequencies.

A Differential Dispersion horn has a trapezoidal dispersion pattern in both vertical and horizontal
planes which covers the target area more evenly than a system with a conventional, fixed­dispersion type horn. With a conventional horn, the speaker is usually placed above head height
and aimed towards the centre of the audience. This produces an imperfect coverage pattern
which misses out some areas — particularly side areas close to the loudspeaker.

In contrast, a CDD Coaxial Differential Dispersion system produces a rectangular coverage
pattern extending to all corners of the audience area, while wide horizontal coverage is achieved
very close to the loudspeaker. The consistency of frequency response and SPL thus achieved
throughout the audience area is exceptional. The improved coverage close to the source also
means that CDD speakers can often be spaced further apart, reducing overall speaker count.

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THE CDD RANGE

A

G

C

B

D

I

J

E

H

F

The CDD range consists of six full-range systems and four sub-woofers (the CSX Series), as
summarised below. Please refer to “Specifications” on page 48 for full technical specifications
for each model.

Full-range systems:

Model LF driver (dia.) HF driver (dia.) LF -3 dB point Power rating

A

CDD5* 5” (125 mm) 0.7” (19 mm) 100 Hz 100 W

B

CDD6 6.5” (165 mm) 1” (25 mm) 80 Hz 150 W

C

CDD8 8” (200 mm) 1” (25 mm) 70 Hz 200 W

D

CDD10 10” (250 mm) 1” (25 mm) 65 Hz 250 W

E

CDD12 12” (300 mm) 1” (25 mm) 62 Hz 300 W

F

CDD15 15” (380 mm) 1.4“ (35 mm) 55 Hz 400 W

* Model CDD5TX (70/100 V-line version) also available

Subwoofers:

Model LF driver (dia.) LF -3 dB point Power rating

G

CSX112 1 x 12” (250 mm) 48 Hz 400 W

H

CSX212 2 x 12” (250 mm) 48 Hz 800 W

I

CSX118 1 x 18” (460 mm) 40 Hz 1000 W

J

CSX218 2 x 18” (460 mm) 35 Hz 2000 W

Colour coding - all CDD and CSX models are available in:

– white – suffix ‘W’ is added to model number

– black – suffix ‘B’ is added to model number

– custom RAL colour – suffix ‘RAL’ is added to model number

All CSX models may be ordered with flying points pre-fitted; add ‘–F’ to model number.

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CDD RANGE ACCESSORIES

Mounting accessories

Several mounting options are available for the various models in the CDD range. These may be
summarised as follows:

• Wall mounting – brackets are available for all models up to the CDD12.

• Ceiling mounting – brackets are available for Models CDD5, CDD6 and CDD8.

• Yoke assemblies – suitable for either wall or ceiling mounting - are available for Models
CDD10, CDD12 and CDD15.

• All models may be flown using standard rigging procedures; eye bolts are available for
all models. Note that CSX subwoofers may also be flown (see “CSX Series subwoofers ­installation” on page 39).

Brackets and yoke assemblies are available in black or white to match the standard enclosure
finishes.

NOTE: A venue with Martin Audio AQ Series speakers already installed may be easily upgraded
to CDD Series speakers, as the existing AQ Series wall and ceiling mounting brackets can be
retained and re-used; the mounting holes in the enclosure fixing plates are compatible with the
CDD series.

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CDD MOUNTING HARDWARE

WALL AND CEILING MOUNTING BRACKETS

All CDD Models up to CDD12 may be wall mounted. and models up to CDD8 ceiling mounted,
using the appropriate optional bracket. Brackets are available for most models, as summarised
on the previous page. (Note that Models CDD10, CDD12 and CDD15 may also be wall or ceiling
mounted using a yoke assembly – see page 11.)

All mounting brackets allow CDD enclosures to be mounted in either vertical (“portrait”) or
horizontal (“landscape”) orientation. See page 16 for important information regarding driver

rotation for use in horizontal orientation.

The wall mounting brackets include pan and tilt adjustments to permit optimum alignment,
while the ceiling brackets (CDD6 and CDD8) allow vertical tilt angle to be set. Brackets are
supplied with fixing screws to secure the bracket to the cabinet. To help installers complete a
neat fitment, the fixing plate of all the brackets includes a 19 mm dia. cable access hole for the
connection(s).

NOTE: To assist with first fix installation, mechanical drawings and drilling templates for all
ceiling and wall mounting brackets may be found in the Technical drawings section of this
Guide, see page 57.

Model CDD5:

NOTE: Model CDD5 speakers are packed and shipped in pairs, complete with wall mounting

brackets finished in either black or white to match the speakers. (Note that CDD5s in custom
RAL colours will be supplied with black brackets.) No additional mounting hardware is required
if the speakers are to be wall mounted.

Ceiling bracket – Part Nos. CDDCB5B (black), CDDCB5W (white):

Model CDD5 speakers may alternatively be ceiling mounted using these optional brackets, which
mate with one part of the wall mounting brackets supplied with the speakers.

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Models CDD6 and CDD8:

The wall and ceiling brackets for Models CDD6 are also used with Models CDD8.

Wall bracket – Part Nos. CDDWB6/8B (black), CDDWB6/8W (white)

Ceiling bracket – Part Nos. CDDCB6/8B (black), CDDCB6/8W (white)

Models CDD10 and CDD12:

The wall and ceiling brackets for Models CDD10 are also used with Models CDD12. These
brackets are identical in design to the respective brackets for the CDD6/CDD8 pictured above.

Wall bracket – Part Nos. CDDWB10/12B (black), CDDWB10/12W (white)

Ceiling bracket – Part Nos. CDDCB10/12B (black), CDDCB10/12W (white)

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YOKE ASSEMBLIES

Yoke assemblies are available for CDD Models CDD10, CDD12 and CDD15. In the case of the
CDD15, a yoke assembly is the only mounting bracket available.

For fixed installations, the yoke assembly may be installed either vertically, allowing pan
adjustment of the cabinet, or horizontally, allowing tilt adjustment. Two fixing holes are provided
in the main strut for this purpose.

Alternatively, if the cabinet is to be suspended from a scaf pole or other standard rigging, the
yoke may be fitted with a half-coupler clamp using a third (centrally-located) 13 mm dia. hole in
the yoke’s main strut. Only horizontal orientation is possible with this method.

See page 12 for important information regarding driver rotation for use in horizontal orientation.

Note that the yoke assemblies for the CDD10 and CDD15 are identical in design to the yoke
assembly for the CDD12; only that for the CDD12 is pictured below.

Model CDD10:

Yoke Assembly CDDYA10B (black), CDDYA10W (white)

Model CDD12:

Yoke Assembly CDDYA12B (black), CDDYA12W (white)

Model CDD15:

Yoke Assembly CDDYA15B (black), CDDYA15W (white)

EYE BOLTS

All CDD Series models may be flown using optional eye bolts

Shouldered Eye bolts, Part No. HTKCT05 (8 mm dia.), HTKCT06 (10 mm dia.)

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VERTICAL AND HORIZONTAL DEPLOYMENT

CDD speakers are shipped from the factory ready for deployment in vertical – or “portrait” –
orientation. If the installation favours horizontal orientation, the coaxial driver must be rotated
through 90° to maintain the correct dispersion patterns. Inadequate coverage and generally
sub-optimal performance will result from mounting a CDD speaker with the driver incorrectly
orientated.

It can be seen from the above views that the CDD’s coaxial driver is not symmetrical. For correct
performance, the driver should always be orientated as shown, with the “butterfly wings” of the
HF driver assembly biased towards the bottom of the enclosure. A graphic can be found on the
rear of the cabinet to confirm the correct orientation:

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To rotate the driver, proceed as follows:

1. Place the enclosure face-up on a bench, table or other suitable flat surface.

2. Follow the instructions for grille removal in the section below “Grille removal and
replacement”.

3. Using a No. 2 Pozi screwdriver (CDD5) or a hex key (CDD6: 2.5 mm AF; CDD8/10:
4 mm AF; CDD12/15: 5 mm AF), remove the screws securing the driver to the baffle
board. There will be between four and eight screws depending on the particular CDD
model.

4. Gently lift the driver assembly out, rotate it through 90° and replace it.

5. Refit the screws removed in Step 3.

6. Follow the instructions for grille replacement in the section below “Grille removal and
replacement”.

7. Follow the instructions in the section below “Badge rotation”.

Note that if, for any reason, it is necessary to mount the CDD speaker in portrait mode
“upside-down”, the driver must be rotated through 180° using the same procedure described
above.

GRILLE REMOVAL AND REPLACEMENT

Grilles on CDD Series cabinets are designed to be easy to remove to facilitate driver rotation. No
screws are used to hold them in place; they are manufactured with a natural spring which holds
them in place in slots in each side of the cabinets. The grilles have two or three gaps in the sides
into which an appropriately-sized flat-bladed screwdriver can be inserted to assist in removal.

Insert the screwdriver blade into one of the gaps - either at the top or bottom of the cabinet
(don’t start in the middle).

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Push the handle down. This will lift the grille out of the slot.

Now lift the handle up; this will ease the grille forward slightly to prevent the return on the grille
dropping straight back into the slot:

Repeat this process for the remaining gaps in the grille to ease it out of the slot all the way up
one side of the cabinet; when you get to the final gap the grille should pop out and away from
the front of the cabinet.

To replace the grille, first insert one side into the slot on one side of the cabinet. Make sure the
return on the grille is completely engaged in the slot. Push on the front of the grille with the flat
of your hand, which will encourage the other edge of the grille to locate on the side of the cabinet
close to the slot. Now push the edge of the grille back starting at the top or the bottom to engage
the return in the slot; you may need to do this a little at a time, working down the length of the
grille until it pops into place.

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BADGE ROTATION

The badge can also be removed and rotated. It has mouldings on the mounting spigot to ensure
that it can only be repositioned in one of four positions (90° apart). It is recommended that you
change the badge position at the same time as the grille is removed to rotate the driver. On the
back of the grille you will see the badge mounting spigot showing just above the plastic fitting
into which it locates:

Push down on the spigot with your thumb…

…and the badge will pop out of the housing:

It can be rotated 90 or 180° to suit the cabinet deployment and pushed back into place. It is
simply held in place through friction so push it firmly in place to ensure that it doesn’t fall out.

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CHOOSING A MOUNTING LOCATION

CDD Series loudspeakers should be mounted above head height – high enough to clear peoples’
heads for clean coverage but low enough to avoid over-exciting room resonances.

Tilt angles should be set so that the loudspeaker’s maximum output (usually on-axis of the
loudspeaker centre) is aimed at the furthest listener across the room.

1.8 m

3 - 4 m

The horizontal dispersion pattern of CDD Series speakers tends towards a square due to the
design of the coaxial driver. For this reason, mounting speakers in the corner of rooms should
be avoided.

NO YES

NOTE: CDD Series speakers are NOT designed to be co-located, either adjacently or in an array.
Only install one CDD speaker at each location. Due to the Differential Dispersion characteristics
if two (for example) CDD speakers are placed adjacent to each other, there will be an overlap in
horizontal coverage in part of the intended area, which could lead to unwanted comb filtering.

EASE data

To assist system design and speaker placement within a venue, high-resolution GLL files for
CDD Series models may be downloaded from the Martin Audio website: www.martin-audio.com

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FIRST AND SECOND FIXING

Construction industry practice frequently favours “first” and “second” fixing stages. This system
gives installers the advantage of being able to pull cables and make primary fixings at an earlier
stage of building completion, and avoids the potential problems of leaving expensive and delicate
audio equipment in-situ while building and decoration work is still on-going.

All CDD Series mounting brackets – wall, ceiling and yokes – disassemble into separate “first
fix” and “second fix” components. This means that part of the bracket may be secured to the
wall or ceiling at first fix, without the necessity of having the cabinet on site. The rest of the
bracket can then be fitted to the cabinet at floor level at second fix, and then the two parts of
the bracket easily mated.

The two fixing stages may be summarised as follows:

First stage fixing – Fix “first fix” sections of wall or ceiling brackets at desired locations.
Run speaker cables to speaker locations, using cable access holes provided in brackets. If
using yoke assemblies for a fixed installation, fit the main yoke in position; in this case the
large diameter centre hole provided for a scaf clamp may be used as an access hole for the
cable(s).

IMPORTANT INFORMATION

Consult a qualified structural engineer with a full knowledge of the building, its load ratings and
your intended loudspeaker installation plans before commencing any installation. The type and
size of fixings used must take into account both the weight of the enclosure and the construction
of the wall or ceiling.

Second stage fixing – Attach “second fix” sections of brackets to rear of cabinets. For yoke

assemblies, fit strap bars to cabinet. Raise cabinets to height and mate with first fix bracket
sections. Connect up in all cases. Adjust pan and/or tilt as required.

IMPORTANT INFORMATION

In some cases, local regulations may require a safety bond (e.g., wire or chain) to form part of
the final fix. The complete installation should be checked and approved by a qualified structural
engineer and a qualified electrical safety consultant before being signed off.

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WALL MOUNTING – PROCEDURE

CDD5 only

A pair of CDD5 wall brackets is supplied with the speakers. The bracket is a three-part design
which allows adjustment in both horizontal and vertical planes if required.

First fix:

First decide whether adjustment is needed in one or both planes, and then disassemble the
bracket. To obtain both horizontal and vertical adjustment, separate the wall section of the
bracket using a 4 mm hex key. The wall section is easily identified as it has the larger flange
with fixing holes on 45 mm centres; the cabinet section is smaller and has countersunk holes
on 35 mm centres.

If only one plane of adjustment is required - either vertical or horizontal - remove the link section
in the middle; this is also secured with a 4 mm hex head bolt.

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Fit the wall bracket in the orientation shown below for operation with adjustment in two planes,
or for horizontal adjustment only:

If only vertical adjustment is required, fit as shown below:

Fixings appropriate for the wall surface and weight of the cabinet (2.7 kg) must be used to
ensure a safe and secure installation. It is good practice to terminate the speaker cables with
the mating Phoenix connectors (supplied with the cabinets) at this stage.

If second fix is to follow at a later date, it is a good idea to screw the pivot bolt into the wall
bracket so it does not get lost.

Second fix:

The CDD5 may be mounted in either “portrait” (vertical) or “landscape” (horizontal) orientation.
This decision is purely based on the desired visual impact in the space in which the speakers
are being installed.

Note that is vital that the driver is orientated to suit the deployment used. “Out of the box”
the driver is in the correct position for “portrait” use and must be rotated through 90° for
“landscape” use. Please see page 12 for details of driver rotation.

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For “portrait” use, the cabinet bracket section is attached using the four “lower” fixing points:

For “landscape” use, the four “upper” fixing points (as viewed in portrait orientation) must be
used:

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The cabinet bracket section must be attached in an orientation to suit the desired degree of
adjustment. First remove the four screws using a 3 mm hex key. For installation with two planes
of adjustment, or vertical adjustment only, the cabinet bracket must be attached as shown
below:

If only horizontal adjustment is required, the bracket section should be fitted like this:

(Note that the two pictures above assume portrait orientation.)

Fix the bracket in place using the screws removed from the cabinet. Tighten these securely.

Remove the pivot bolt from the wall bracket section. Offer the speaker up to the wall bracket
section; if this is in the vertical position as at page 18, the cabinet bracket section or link
bracket will hook securely in place, freeing up both hands for re-fitting the securing bolt:

If the wall bracket is in the horizontal position (allowing only vertical adjustment), simply slide
the two sections of the bracket together and insert the pivot bolt while supporting the speaker
with the other hand. The link section of the bracket assembly is not required for this mounting
option.

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Do not fully tighten the bolt at this stage, leave a little play to allow final adjustment. If the
fitment includes the link bracket, this may also be loosened slightly for final adjustment. The
CDD5 can now be positioned using the locating radial teeth on the bracket to hold it in position,
these will allow adjustment in increments of approximately 10° in both horizontal and vertical
planes. Final adjustment is best done with an audio source to check the coverage. When the final
position is found, tighten the securing bolt(s).

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CDD6, CDD8, CDD10 and CDD12

The CDDWB6/8(B or W*) is a two-part wall bracket comprising a wall mounted spigot and a
cabinet bracket holding a collar which secures onto the spigot. The same bracket fits both
the CDD6 and CDD8 cabinets. The CDDWB10/12(B or W*) wall bracket for the CDD10 and
CDD12 is of very similar design, but is a larger bracket to cater for the greater weight. The fitting
procedure is exactly the same.

* B and W suffixes denote colour

First fix:

The two sections of the bracket should be separated as shown below.

The wall section of the bracket may be attached at first fix stage prior to bringing the speakers to
site. It is also good practice to terminate the speaker cables with the Phoenix connectors at this
stage. Fixings appropriate for the wall surface and weight of the cabinet must be used to ensure
a safe and secure installation; this is particularly important for the larger cabinets as the CDD
12 (for example) weighs 19.3 kg. It is vital to use fixings that are rated to support the weight of
the cabinet being installed.

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Second fix:

The cabinet bracket section should be attached as shown. Screw the vertical adjustment grub
screw all the way in to allow the collar to lift clear of the spigot.

The speaker may be wall mounted in either “portrait” (vertical) or “landscape” (horizontal)
orientation. This decision is purely based on the desired visual impact in the space in which the
speaker is being installed.

Note that is vital that the driver is orientated to suit the deployment used. “Out of the box”
the driver is in the correct position for “portrait” use and must be rotated through 90° for
“landscape” use. Please see page 12 for details of driver rotation.

For “portrait” use, the cabinet bracket is attached using the four “lower” fixing points:

For “landscape” orientation, use the upper four fixing points:

NOTE: The CDD6 has only four fixing points instead of the six found on the CDD8. CDD10 and
CDD12, thus the same four points should be used in either orientation.

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First remove the four screws using a 4 mm hex key (CDD6/8) or a 5 mm hex key (CDD10/12).
Align the bracket with the fixing holes and screw securely in place using the same screws.

NOTE: the cabinet and bracket shown in these examples are deliberately in different colours for
reasons of clarity.

Offer the speaker up to the wall bracket; the collar on the cabinet bracket section will hook
securely in place on the spigot, freeing up both hands for final adjustment.

Horizontal (pan) adjustment is available by rotating the collar on the spigot. When you’re happy
with the angle, the collar securing bolt can be tightened with an M6 hex key (CDDWB8/6) or an
M8 hex key (CDDWB10/12) to lock the position.

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Vertical (tilt) adjustment is made by adjusting the grub screw:

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CEILING MOUNTING – PROCEDURE

CDD5 only

The optional CDDCB5(B or W*) ceiling bracket may be used in conjunction with the wall brackets
supplied with the CDD5 speakers to mount the CDD5s on a ceiling.

* B and W suffixes denote colour

First fix:

As with wall mounting, first decide whether adjustment is needed in one or both planes, and
then disassemble the wall bracket. In most cases vertical adjustment only will be needed, as
horizontal adjustment will be obtained by mounting the ceiling bracket at the correct angle.
For vertical adjustment only, remove the link section of the wall bracket. If both horizontal
and vertical adjustment is required, separate the wall section of the bracket using a 4 mm hex
key. The wall section is easily identified as it has the larger flange with fixing holes on 45 mm
centres; the cabinet section is smaller and has countersunk holes on 35 mm centres.

Now bolt the wall section of the bracket to the ceiling bracket using the four M5 screws, plain
washers and Nyloc nuts supplied with the ceiling bracket. (Note that although the ceiling bracket
is available in black or white and you would usually select the colour to match the cabinet, we
have used a black bracket with a white CDD5 for better contrast in our photographs.)

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The ceiling bracket assembly may now be fixed to the ceiling. There are three 5.5 mm holes and
a central 8.5 mm hole in the bracket for this purpose. It is essential that appropriate fixings are
used to allow safe and secure attachment to the ceiling material, particularly as these may be
fitted overhead public areas. The method of fixing will depend on the ceiling construction. You
can use the larger central 8.5 mm hole as the principal fixing initially: this lets you adjustment
the bracket to obtain the correct horizontal coverage by pivoting it on the single mounting. When
the position is correct, tighten it, and add further fixings to the other three holes to ensure a safe
and secure mounting. Alternatively, if an adequate fix can be obtained using the three smaller
holes alone (e.g., by using wood screws into a batten above plasterboard), it may be possible to
use the 8.5 mm centre hole for cable routing.

In any case, it is good practice to terminate the speaker cables with the Phoenix connectors at
this stage.

Second fix:

With ceiling mounting, the CDD5 will probably be used in landscape mode: fit the cabinet
section of the wall bracket using the four “upper” screws as shown below:

Note that is vital that the driver is orientated to suit the deployment used. “Out of the box”
the driver is in the correct position for “portrait” use and must be rotated through 90° for
“landscape” use. Please see page 12 for details of driver rotation.

It is also possible to ceiling mount the CDD5 in portrait mode by using the “lower” four screws
to fix the cabinet section of the wall bracket, but in this case the cabinet should be mounted
upside down, and the driver and grille will both need to be rotated 180°. The sloping bottom of
the cabinet allows a close fit to the ceiling which may be more aesthetically pleasing in some
installations.

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Offer the cabinet up to the ceiling bracket assembly and attach it using the 5 mm securing bolt.
This can be loosely fitted to allow final adjustment before being fully tightened once the desired
coverage has been established.

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CDD6 and CDD8

Optional mounting CDDCB6/8(B or W*) is a bracket onto which allows a CDD6 or CDD8 cabinet
to be ceiling mounted. It consists of two sections: a 90° arm and a removable four-point cabinet
bracket section which is fixed directly to the cabinet rear:

* B and W suffixes denote colour

First fix:

First disassemble the bracket, unscrewing the cabinet section from the ceiling arm using an M6
hex key to undo the securing bolt.

Fix the ceiling bracket assembly to the ceiling. There are three 6.5 mm holes and a central
13 mm hole in the bracket for this purpose. It is essential that appropriate fixings are used to
allow safe and secure attachment to the ceiling material, particularly as these may be fitted
overhead public areas. The fixings to be used will depend on the ceiling construction. Use the
larger central 13 mm hole as the principal fixing initially: this lets you adjustment the bracket to
obtain the correct horizontal coverage by pivoting it on the single mounting. When the position
is correct, tighten it, and add further fixings to the other three holes to ensure a safe and secure
mounting.

It is also good practice to terminate the speaker cables with the Phoenix connectors at this stage.

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Second fix:

With ceiling mounting, the cabinet will probably be used in landscape mode. Fit the cabinet
section of the wall bracket (previously removed from the arm). The bracket is attached orientated
as shown by removing four screws with an M4 hex key and attaching the bracket with the same
screws. In the case of the CDD6, there are only four fixing points; the CDD8 has six: use the four
“upper” ones. The photo below illustrates the fixings on a CDD6:

Note that is vital that the driver is orientated to suit the deployment used. “Out of the box”
the driver is in the correct position for “portrait” use and must be rotated through 90° for
“landscape” use. Please see page 12 for details of driver rotation.

Offer the cabinet up the ceiling bracket arm and mate the cabinet bracket section with the
ceiling bracket arm by threading the M6 bolt with spring washer through the cabinet bracket
as shown below. Do not fully tighten the bolt at this stage, leave a little play so the vertical
dispersion can be adjusted.

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The vertical dispersion can be adjusted using the grub screw accessed from the rear of the
bracket:

It is also possible to ceiling mount the CDD6 or CDD8 in portrait mode, but in this case the
cabinet should be mounted upside down, and the driver and grille will both need to be rotated
180°. The sloping bottom of the cabinet allows a close fit to the ceiling which may be more
aesthetically pleasing in some installations.

The cabinet section of the wall bracket should be fitted at 90° relative to the fitment used for
landscape orientation. In the case of the CDD8, which has six rear fixing points, use the four
“lower” ones; the CDD6 only has four fixing points.

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MOUNTING WITH A YOKE ASSEMBLY

Yoke assemblies CDDYA10, CDDYA12 and CDDYA15 may be fitted to Models CDD10, CDD12
and CDD15 respectively, if a yoke mounting arrangement is preferred. Note that due to the
weight of the enclosure, yoke mounting is the only method available for Model CDD15.

The yoke design and fitting method is the same for all three models; the yoke assemblies differ
only in size.

The assembly comes in three parts – the yoke itself, and two side bars which are bolted to
the enclosure ends. If the yoke assembly is being fitted to a wall or ceiling as a permanent
installation, first and second fix procedures may be adopted as described below. If the cabinet
is to be hung in horizontal orientation from a pole with a scaf clamp, the yoke assembly can be
fitted to the cabinet in a single operation.

Installation:

Yokes may either be permanently fixed to a wall or ceiling, or fitted with a clamp for suspension
from a scaf pole. The yokes are designed for use with cabinets in landscape orientation only;
they do NOT support portrait orientation.

For permanent installations, a first fix/second fix method may be adopted; here the yoke loop is
fixed in position and the cabinet mated to the loop at a later date, after being fitted with the rest
of the yoke assembly.

When suspending the cabinet from a scaf pole, the whole yoke assembly should be fitted to the
cabinet and the cabinet hung as a single exercise. In this case, the “First fix” section of the
Installation instructions below may be ignored.

The components of the yoke assembly are shown below:

First fix:

Yokes may be permanently attached to a wall or ceiling. The yoke allows vertical adjustment and
if mounted using the single attachment point in the centre of the yoke horizontal adjustment
could also be possible.

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The yoke loop (the main, U-shaped part of the assembly) should be fitted to the wall or ceiling
in its intended position. Four 8.5 mm holes are provided for this purpose. It is essential that
appropriate fixings are used to allow safe and secure attachment to the ceiling material,
particularly as these may be fitted overhead public areas. The central 13mm hole can also be
used to mount the yoke which will provide horizontal adjustment as well as vertical; however, a
sufficiently robust fixing method must be used if attaching from this single point and we would
strongly recommend the use of a secondary safety fitting (see note in “Second fix” below). If
not used for fixing, the central hole may be used for cable access. It is also good practice to
terminate the speaker cables with the Phoenix connectors at this stage.

Second fix:

CDD cabinets may only be used with yokes in horizontal (“landscape”) mode.

Note that is vital that the driver is orientated to suit the deployment used. “Out of the box”
the driver is in the correct position for “portrait” use and must be rotated through 90° for
“landscape” use. Please see page 12 for details of driver rotation.

First remove two of the M8 screws in the top and bottom of the cabinet. Note that there are
three screws on both top and bottom; the screw nearest the back of the cabinet is not used, so
should be left in place.

The screws removed may be discarded; they should not under any circumstances be used to
secure the yoke as they are of insufficient length for a safe fixing. Only use the longer screws
supplied with the yoke assembly.

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Next mount the side bars to the top and bottom of the cabinet. The two side bars included in
the yoke assembly are identical but the correct screws and spacers must be used at each end.
Two lengths of M8 socket head countersunk screw are supplied: 40 mm and 45 mm; there are
also two pairs of spacer bushes, of different thicknesses. The longer screw and the thicker bush
MUST be used with the bar on the bottom of the cabinet: this can be identified as the face with
the steep sloping contour.

Mount the bars with the countersinks for the M8 fixing bolts facing outwards, so that the captive
nut in the centre is facing in towards the cabinet.

The cabinet assembly can now be attached to the yoke. If the yoke has already been fitted to a
wall or ceiling as part of a permanent installation, this step should be undertaken by two people,
for safety reasons: one to hold the cabinet in place and the other to fit the securing bolts at
either end. If the cabinet is to be suspended from a scaf pole with a clamp, it may be possible
to attached the yolk loop to the cabinet at ground level.

IMPORTANT INFORMATION

All standard safety protocols must be observed when working at height if the fixing point cannot
be reached from the ground.

Note that the each end of the yoke arms has four 10.5 mm holes, 17.5 mm apart. Any pair
of holes may be used; the choice will be determined only by the degree of vertical adjustment
required and how close to the yoke frame the cabinet is preferred to be.

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The M10 x 20 mm socket buttonhead screws (supplied with the yoke assembly) should first be
threaded through the M10 shakeproof washer, then through the yoke fixing hole; then place a
serrated washer on the bolt before screwing it into the captive nut in the centre of the side bars.

The bolt for the CDD15 is slightly different: this should first go through the M10 spring washer,
then through the M10 plain washer, before going through the yoke, serrated washer and into the
side bar.

If the cabinet is to be suspended from a scaf pole, fit the scaf clamp (or other single-point
mounting) to the yoke using the 13 mm dia centre hole in the yoke main frame. Raise the
cabinet to its mounting location and suspend it from the pole or grid; this is likely to require two
people. Tighten the clamp bolt. Connect up and adjust pan and tilt angles as required.

IMPORTANT INFORMATION

All standard safety protocols must be observed when working at height.

Do not fully tighten the bolts at this stage, this should be done after the vertical position of the
cabinet has been checked for the desired coverage.

Always fit a secondary safety retaining device. This should be a chain or steel rope attached
directly to the cabinet, and NOT to the yoke. It can be attached to the cabinet by fitting an M8
eyebolt into one the inserts provided for flying purposes. The other end should be attached to a
securing point which is a permanent fixture in the building structure. The scaf pole itself may
be suitable if it is a permanent fixture and not part of temporary rigging. If in any doubt, local
Safety Regulations should be consulted and adhered to.

ALTERNATIVE POLE MOUNTING

Using a yoke assembly, a cabinet may be floor-mounted on a pole stand if wished. This is
achieved by fitting a pole mount adaptor to the yoke instead of a scaf clamp. Before installing
a CDD Series enclosure in this way, ensure that the floor stand used is rated for the weight of
the cabinet.

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FLYING CDD SERIES CABINETS

A further installation option for Models CDD10, CDD12 ands CDD15 is to employ standard flying
techniques.

The CDD10, CDD12 and CDD15 can be flown by fitting M8 shouldered eye bolts to the cabinets
and using steel rope or chains to suspend them at the desired height from suitable fixings in
the roof. Martin Audio can supply suitably rated eye bolts for this purpose: Part No. HTKCT05,
which are suitable for all three models:

IMPORTANT

Note that eye bolts for flying systems must be cast, shouldered fittings rated for the purpose.
Forged steel eye bolts of the type typically available from DIY suppliers are NOT suitable and
should not be used under any circumstances.

The M8 inserts in CDD cabinets are recessed, and the shoulder on Martin Audio eye bolts fits
into the recess. If you use an eye bolt with a shoulder wider than the recess you will need to
space the bolt so it tightens down on the thread rather than the outer surface of the cabinet.

CDD cabinets can be flown in vertical (“portrait”) or horizontal (“landscape”) orientation.

Note that is vital that the driver is orientated to suit the deployment used. “Out of the box”
the driver is in the correct position for “portrait” use and must be rotated through 90° for
“landscape” use. Please see page 12 for details of driver rotation.

There are a total of ten M8 inserts in each cabinet, three on the top, two on the bottom, two on
each side and one on the back (terms with reference to the cabinet in portrait orientation). Note
that the inserts on the top, bottom and sides are recessed into the cabinet; spacers or washers
must be used in these positions so that the eye bolts can be tightened sufficiently.

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The most common method for suspending cabinets in portrait mode is to use the front two
positions on the cabinet top as the primary suspension points with a third at the rear to provide
any required downward tilt. The third position may be the rear insert on the cabinet top of the
cabinet or the one on the back of the cabinet, if a steeper tilt is required.

In horizontal mode, the third flying point (to adjust tilt) can be obtained by removing one of the
six screws on the rear of the cabinet:

Always ensure that the rigging method and components used are suitable for both the weight of
the cabinets and the suspension points at height.

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CSX SERIES SUBWOOFERS - INSTALLATION

CSX Subwoofers, having omnidirectional dispersion characteristics, will normally be floor­mounted in a suitable location in the room. As the bass frequencies involved are essentially
non-directional, the location will be dictated simply by convenience and practicality. It is often
only necessary to use a single subwoofer cabinet with a stereo system, as the active crossover
will generate the mono LF feed required. See “System connections” on page 41 for more
details regarding system connections.

Any model of CSX subwoofer may be used in conjunction with any model from the CDD Series,
provided the appropriate parameters are set up in the loudspeaker management system. However,
practical combinations are likely to be as shown below:

CDD5 CDD6 CDD8 CDD10 CDD12 CDD18

CSX112 • • • •

CSX212 • • • • •

CSX118 • • •

CSX218 • •

FLYING CSX SUB-WOOFERS

CSX Series subwoofers may also be flown; ‘F’ versions are available for this purpose, pre-fitted
with threaded inserts to accept eye bolts. This option must be specified at the time of ordering,
as the inserts cannot be retro-fitted.

Shouldered eye bolts are used in the inserts in the same manner as for CDD Series cabinets.
Approved eye bolts are available from Martin Audio for the subwoofers: Part No. HTKCT06 –
M10 eye bolt, suitable for all CSX models.

IMPORTANT

Note that eye bolts for flying systems must be cast, shouldered fittings rated for the purpose.
Forged steel eye bolts of the type typically available from DIY suppliers are NOT suitable and
should not be used under any circumstances.

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The M10 inserts in CSX cabinets are recessed, and the shoulder on Martin Audio eye bolts fits
into the recess. If you use an eye bolt with a shoulder wider than the recess you will need to
space the bolt so it tightens down on the thread rather than the outer surface of the cabinet.

Fit an eye bolt into each of the threaded inserts in the cabinet top (there are four, one in each
corner).

Note that CSX Series subwoofer cabinets are not designed to mate mechanically with CDD Series
cabinets, and have no provision for doing so. If flying both CDD Series cabinets and CSX Series
subwoofers, they must be rigged independently of each other.

Use standard rigging techniques to raise the subwoofers to the required height. Always ensure
that the rigging method and components used are suitable for both the weight of the cabinets
and the suspension points at height.

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SYSTEM CONNECTIONS

All CDD Series and CSX Series speakers are fitted with low-profile four-pin push-lock connectors,
rated at 13 A (CDD5, CDD6 and CDD8) or 20 A (CDD10, CDD12, CDD15 and all CSX models).
These are mounted on the recessed rear panel, allowing for a very neat wiring job with no
protruding connectors.

To permit simple interconnection between multiple speaker cabinets on the same circuit, two of
the pins are designated as ‘Link’ connections; these can be used to “daisy-chain” the amplifier
output to the next speaker:

A mating connector is supplied with each cabinet. In a fixed installation, this can be fitted to
the speaker cables during first fix.

IMPEDANCES

All CDD Series loudspeakers have an impedance of 8 ohms. (Model CDD5 only - see section
below regarding 70/100 V-line operation)

Subwoofer Models CSX112 and CSX118 have an impedance of 8 ohms

Subwoofer Models CSX212 and CSX218 have an impedance of 4 ohms.

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70/100 V-LINE OPERATION (MODEL CDD5TX ONLY)

Model CDD5 is also available as variant CDD5TX, with a 70/100 V-line transformer fitted
internally. In accordance with normal line system practice, a rotary switch is provided to select
the required power rating. An additional switch position selects low-impedance operation
(8 ohms).

SW POSN. 70 V-line 100 V-line

1

Low-impedance operation (8 ohms)

2

3 W 6 W

3

6 W 12.5 W

4

12.5 W 25 W

5

25 W n/a

High levels of low-frequency signals can cause transformer core saturation, which can cause
distortion and sounds unpleasant. If driving 70/100 V-line loudspeakers with bass-heavy
programme material at high levels, we strongly recommend that a high-pass filter is included in
the signal path. This can be easily implemented by the DX0.5 loudspeaker management system;
many industrial power amplifiers designed for 70/100 V-line operation will have selectable fixed
filters for this purpose. If such filters are not available in the amplifiers, they can be implemented
in the Loudspeaker Management System controller.

Cable specifications

Use good-quality, fine-stranded two-core speaker cable. Depending on the type of installation
and the system’s application, local regulations may dictate the type of cable jacket to be installed
(e.g., low-smoke hazard).

The minimum gauge of cable to be used is determined by the length of cable run:

• Up to 30 m run – use minimum 2.5 mm2 cable

• Over 30 m run – use minimum 4.0 mm2 cable

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SYSTEM EXAMPLES

The following diagrams show examples of possible systems. All assume the use of the DX0.5
loudspeaker management system. This is recommended for all systems, even when no subwoofers
are in use, as when set correctly to suit the amplifiers being used, the limiter functions provide
excellent loudspeaker protection against overloads and possible amplifier faults.

1 x Stereo

Output

Input

DX0.5

Rear panel

Left (A)

Right (B)

Right (4)

Left (1)

CDD Speaker Left

Amplifier

System Input

DX0.5

Speaker

Management

System

CDD Speaker Right

2 x Stereo + 1 Sub

Output

Input

Left (3)

Sub (1)

Left (A)

Right (B)

Right (6)

CDD Speakers Left

Use link

connections

Use link

connections

Amplifier

System Input

DX0.5

Speaker

Management

System

CDD Speakers Right

CDD CSX112 Sub

DX0.5

Rear panel

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3 x Stereo + 2 Sub

Output

Input

Left (3)

Sub (1)

Sub (4)

Left (A)

Right (B)

Right (6)

DX0.5

Rear panel

CDD Speakers Left

Use link

connections

Use link

connections

Amplifier

System Input

DX0.5

Speaker

Management

System

CDD Speakers Right

CDD CSX112 Sub

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MARTIN AUDIO DX0.5
LOUDSPEAKER MANAGEMENT SYSTEM

The DX0.5 is a professional two-input, six-output DSP-based loudspeaker management system
in a 1U rackmounting unit, which has been developed specifically for use with the CDD range.

The DX0.5 is ideal for use as the stereo crossover in systems incorporating CSX subwoofers.
As well as its crossover functions, it includes five parametric/shelving filters on each input and
seven filters on each output. Level control, muting and delay are available on all inputs and
outputs, plus dedicated HF/LF filters and protective limiting are also provided on all outputs.

The DX0.5 is supplied with all CDD parameters built in. Additional presets for other Martin
Audio products can be downloaded from the website. There are 24 memory locations in the unit
suitable for storing presets for each CDD model. Martin strongly recommend using the DX0.5,
but settings for use with other controllers are tabulated on the following page, “Using alternative
controllers”- user entry of parameters is required.

The full DX0.5 User Guide is available on-line at www.martin-audio.com, and includes numerous
examples of system wiring.

CDD PRESET LIST

PRESET

No.

NAME

OUTPUT

1 2 3 4 5 6

1 CDD5 CDD5 L CDD5 L CDD5 L CDD5 R CDD5 R CDD5 R

2 CDD6 CDD6 L CDD6 L CDD6 L CDD6 R CDD6 R CDD6 R

3 CDD8 CDD8 L CDD8 L CDD8 L CDD8 R CDD8 R CDD8 R

4 CDD10 CDD10 L CDD10 L CDD10 L CDD10 R CDD10 R CDD10 R

5 CDD12 CDD12 L CDD12 L CDD12 L CDD12 R CDD12 R CDD12 R

6 CDD15 CDD15 L CDD15 L CDD15 L CDD15 R CDD15 R CDD15 R

7 CSX112-212 CDD5 CSX112 L CSX212 L CDD5 L CSX112 R CSX212 R CDD5 R

8 CSX112-212 CDD6 CSX112 L CSX212 L CDD6 L CSX112 R CSX212 R CDD6 R

9 CSX112-212 CDD8 CSX112 L CSX212 L CDD8 L CSX112 R CSX212 R CDD8 R

10 CSX112-212 CDD10 CSX112 L CSX212 L CDD10 L CSX112 R CSX212 R CDD10 R

11 CSX118-218 CDD10 CSX118 L CSX218 L CDD10 L CSX118 R CSX218 R CDD10 R

12 CSX118-218 CDD12 CSX118 L CSX218 L CDD12 L CSX118 R CSX218 R CDD12 R

13 CSX118-218 CDD15 CSX118 L CSX218 L CDD15 L CSX118 R CSX218 R CDD15 R

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USING ALTERNATIVE CONTROLLERS

Alternative high quality loudspeaker management systems may be used. The table below lists
the parameters for each CDD Series speaker that need to be entered into the controller for safe
and optimised operation. Please note that the data provided is based on the algorithms used by
Martin Audio DX Series Loudspeaker Management Systems; third-party systems are likely to use
different algorithms which may result in both sub-optimal performance and reduce loudspeaker
protection.

Filters EQ

Gain

1

HPF

Freq

2

LPF

Freq

2

Freq Q Gain Limiter

threshold

3

CDD5 0 dB 60 Hz >32 kHz 101 Hz 1.5 +4 dB

-2 dBu

CDD5+ CSX112/212 7.5 dB 110 Hz >32 kHz 101 Hz 1.5 +4 dB

CDD6 0 dB 50 Hz >32 kHz 75 Hz 1.2 +6 dB

-1 dBu

CDD6+CSX112/212 6 dB 100 Hz >32 kHz 75 Hz 1.2 +6 dB

CDD8 0 dB 40 Hz >32 kHz 72 Hz 1.2 +6 dB

+1 dBu

CDD8+CSX112/212 5 dB 100 Hz >32 kHz 72 Hz 1.2 +6 dB

CDD10 0 dB 40 Hz >32 kHz 70.2 Hz 1.3 +6 dB

+3 dBuCDD10+CSX112/212 3 dB 80 Hz >32 kHz 70.2 Hz 1.3 +6 dB

CDD10+CSX118/218 2 dB 80 Hz >32 kHz 70.2 Hz 1.3 +6 dB

CDD12 0 dB 20 Hz >32 kHz 70.2 Hz 0.9 +6 dB

+4 dBu

CDD12+CSX118/218 0 dB 80 Hz >32 kHz 70.2 Hz 0.9 +6 dB

CDD15 0 dB 20 Hz >32 kHz 66 Hz 0.9 +6.5 dB

+5 dBu

CDD15+CSX118/218 -2 dB 80 Hz >32 kHz 66 Hz 0.9 +6.5 dB

CSX112+CDD5 6 dB 20 Hz 120 Hz 55 Hz 1.0 +6 dB

+5 dBuCSX112+CDD6/8 6 dB 20 Hz 110 Hz 55 Hz 1.0 +6 dB

CSX112+CDD10 6 dB 20 Hz 90 Hz 55 Hz 1.0 +6 dB

CSX212+CDD5 0 dB 20 Hz 120 Hz 55 Hz 1.0 +6 dB

+5 dBuCSX212+CDD6/8 0 dB 20 Hz 110 Hz 55 Hz 1.7 +6 dB

CSX212+CDD10 0 dB 20 Hz 90 Hz 55 Hz 1.0 +6 dB

CSX118 6 dB 20Hz 90 Hz 0.0 +8 dBu

CSX218 0 dB 20 Hz 90 Hz 40 Hz 2.0 +4 dB +8 dBu

1

For all models: phase=in; delay=0 ms

2

For all models: filter type 24 dB/oct LR

3

The figures in this column are based on an amplifier gain of 32 dB. For amplifiers with different gains, please
refer to the loudspeaker data spreadsheet on our website, which will calculate the correct threshold setting for
any given gain.

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AMPLIFIERS – RECOMMENDATIONS

Martin Audio MA Series two channel power amplifiers are recommended for use with CDD Series
loudspeakers and CSX Series subwoofers. These amplifiers work well down to 2 ohms, making
it possible to power up to four cabinets in parallel from each channel. Models are available with
power ratings from 700 W/ch to 4000 W/ch (into 4 ohms).

Other manufacturers’ power amplifiers may be used provided they are capable of delivering
the necessary power into the combined impedance of the cabinets in use. Note that many
amplifiers suffer sonic degradation when driving low load impedances or, worse still, shut down.
Always check your intended power amplifier’s specifications and conduct listening tests before
committing to a very low impedance system design.

The table below specifies the recommended minimum amplifier rating for each model of
CDD Series and CSX Series cabinet. The “Recommended models” column lists the Martin Audio
MA Series amplifier models suitable for each speaker model.

Model Rating,

AES

Rating,

Peak

Impedance Minimum

amplifier

Recommended models

CDD5 100 W 400 W 8 ohms 800 W into 4 ohms MA2.8Q, MA2.0

CDD6 150 W 600 W 8 ohms 1200 W into 4 ohms MA2.8Q, MA2.0

CDD8 200 W 800 W 8 ohms 1600 W into 4 ohms MA2.8Q, MA2.0

CDD10 250 W 1000 W 8 ohms 2000 W into 4 ohms MA2.0

CDD12 300 W 1200 W 8 ohms 2400 W into 4 ohms MA2.0, MA3.0

CDD15 400 W 1600 W 8 ohms 2400 W into 4 ohms MA3.0, MA5.2K

CSX112 400 W 1600 W 8 ohms 3200 W into 4 ohms MA3.0, MA5.2K

CSX212 800 W 3200 W 4 ohms 3200 W into 4 ohms MA5.2K

CXS118 1000 W 4000 W 8 ohms 8000 W into 4 ohms MA5.2K

CSX218 2000 W 8000 W 4 ohms 8000 W into 4 ohms MA9.6K, MA12K

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APPENDIX

SPECIFICATIONS

CDD5, CDD6, CDD8

Notes

(1) Measured on-axis in open (4pi) space at 2 metres, then referred to 1 metre.

(2) AES Standard ANSI S4.26-1984.

(3) Measured in open (4pi) space at 2 metres with 2.83V input, using band limited pink noise, then
referred to 1 metre.

(4) Calculated at 1 m.

(5) Measured in open (4pi) space at 2 metres.

CDD5 CDD6 CDD8

TYPE Ultra-compact, Coaxial Differential

Dispersion passive two-way system

Ultra-compact, Coaxial Differential
Dispersion passive two-way system

Ultra-compact, Coaxial Differential
Dispersion passive two-way system

FREQUENCY RESPONSE

1

100 Hz-20 kHz ± 3 dB,
10 dB @ 70Hz

80 Hz-20 kHz ± 3 dB,

-10 dB @ 70 Hz

70 Hz-20 kHz ± 3 dB,

-10 dB @ 55 Hz

DRIVER LF: 5.25” (130 mm)/1.25” (32 mm) voice

coil, long excursion, ferrite motor system
HF: 0.75” (19 mm) voice coil, fabric dome
with neodymium motor system

LF: 6.5” (165 mm)/1.5” (38 mm) voice
coil, long excursion, ferrite motor system
HF: 1” (25 mm) voice coil, fabric dome
with neodymium motor system

LF: 8” (200 mm)/2” (50 mm)
voice coil, long excursion, shared ferrite
motor system with HF
HF: 1” (25 mm) exit/1.4” (38 mm) voice
coil, polyimide dome compression driver

RATED POWER

2

100 W AES, 400 W peak 150 W AES, 600 W peak 200 W AES, 800 W peak

RECOMMENDED
AMPLIFIER

MA2.8Q, MA2.0 MA2.8Q, MA2.0 MA2.8Q, MA2.0

SENSITIVITY

3

90 dB 91 dB 94 dB

MAXIMUM SPL

4

110 dB continuous, 116 dB peak 113 dB continuous, 119 dB peak 117 dB continuous, 123 dB peak

NOMINAL IMPEDANCE 8 ohms 8 ohms 8 ohms

DISPERSION (-6 dB)

5

120˚-90˚ horizontal, 80˚ vertical (user­rotatable)

110˚-80˚ horizontal, 80˚ vertical (user­rotatable)

110˚-80˚ horizontal, 60˚ vertical (user­rotatable)

CROSSOVER 2.5 kHz passive 2.5 kHz passive 2.3 kHz passive

ENCLOSURE 3 litre, ABS 9 litre, composite material 14 litre, composite material

FINISH Black or white Black or white textured paint Black or white textured paint

PROTECTIVE GRILLE Black or white perforated steel with scrim

cloth backing

Black or white perforated steel with scrim
cloth backing

Black or white perforated steel with scrim
cloth backing

CONNECTORS Low profile 13A push-lock Low profile 13A push-lock Low profile 13A push-lock

PIN CONNECTIONS Left to right: Input+, Input -, Link -, Link + Left to right: Input+, Input -, Link -, Link + Left to right: Input+, Input -, Link -, Link +

FITTINGS 6 x M5 inserts for wall/ceiling brackets 4 x M6 inserts for wall/ceiling brackets 6 x M6 inserts for wall/ceiling brackets

DIMENSIONS (W) 160 mm x (H) 230 mm x (D) 149 mm

(W) 6.3ins x (H) 9.1 ins x (D) 5.9 ins

(W) 210 mm x (H) 325 mm x (D) 210 mm
(W) 8.3ins x (H) 12.8ins x (D) 8.3ins

(W) 256 mm x (H) 410 mm x (D) 253 mm
(W) 10.1ins x (H) 16.1ins x (D) 10ins

WEIGHT 2.7 kg (6lbs) 5 kg (11lbs) 9.5 kg (21lbs)

ACCESSORIES CDDCB5B ceiling bracket black

CDDCB5W ceiling bracket white

CDDWB6/8B wall bracket black
CDDWB6/8W wall bracket white
CDDCB6/8B ceiling bracket black
CDDCB6/8W ceiling bracket white

CDDWB6/8B wall bracket black
CDDWB6/8W wall bracket white
CDDCB6/8B ceiling bracket black
CDDCB6/8W ceiling bracket white

CDD User Guide V1.0

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CDD USER GUIDE

CDD10, CDD12, CDD15

Notes

(1) Measured on-axis in open (4pi) space at 2 metres, then referred to 1 metre.

(2) AES Standard ANSI S4.26-1984.

(3) Measured in open (4pi) space at 2 metres with 2.83V input, using band limited pink noise, then
referred to 1 metre.

(4) Calculated at 1 m.

(5) Measured in open (4pi) space at 2 metres.

CDD10 CDD12 CDD15

TYPE Compact, Coaxial Differential Dispersion

passive two-way system

Compact, high-output, Coaxial Differential
Dispersion passive two-way system

High-output, Coaxial Differential Dispersion
passive two-way system

FREQUENCY

RESPONSE

1

65 Hz-20 kHz ± 3 dB,

-10 dB @ 55 Hz

62 Hz-20 kHz ± 3 dB,

-10 dB @ 50 Hz

55 Hz-18 kHz ± 3 dB,

-10 dB @ 45 Hz

DRIVER LF: 10” (250 mm)/2.5” (63.5 mm) voice

coil, long excursion, shared ferrite motor
system with HF

HF: 1” (25 mm) exit/1.4” (38 mm) voice
coil, polyimide dome compression driver

LF: 12” (300 mm)/2.5” (63.5 mm) voice
coil, long excursion, shared ferrite motor
system with HF

HF: 1” (25 mm) exit/1.7” (44 mm) voice
coil, polyimide dome compression driver

LF: 15” (380 mm)/3” (75 mm) voice coil,
long excursion, shared ferrite motor system
with HF

HF: 1.4” (32 mm) exit/3” (75 mm) voice
coil, titanium dome compression driver

RATED POWER

2

250W AES, 1000W peak 300 W AES, 1200 W peak 400 W AES, 1600 W peak

RECOMMENDED

AMPLIFIER

MA2.0 MA2.0, MA3.0 MA3.0, MA5.2K

SENSITIVITY

3

96 dB 97 dB 100 dB

MAXIMUM SPL

4

120 dB continuous, 126 dB peak 122 dB continuous, 128 dB peak 126 dB continuous, 132 dB peak

NOMINAL

IMPEDANCE

8 ohms 8 ohms 8 ohms

DISPERSION (-6 dB)

5

110˚-75˚ horizontal, 60˚ vertical (user­rotatable)

110˚-60˚ horizontal, 60˚ vertical (user­rotatable)

100˚-60˚ horizontal, 60˚ vertical (user­rotatable)

CROSSOVER 2 kHz passive 1.9 kHz passive 1.6 kHz passive

ENCLOSURE 28 litre, composite material 38 litre, composite material 68 litre, composite material

FINISH Black or white textured paint Black or white textured paint Black or white textured paint

PROTECTIVE GRILLE Black or white perforated steel with scrim

cloth backing

Black or white perforated steel with scrim
cloth backing

Black or white perforated steel with scrim
cloth backing

CONNECTORS Low profile 20A push-lock Low profile 20A push-lock Low profile 20A push-lock

PIN CONNECTIONS Left to right: Input+, Input -, Link -, Link+ Left to right: Input+, Input -, Link -, Link+ Left to right: Input+, Input -, Link -, Link+

FITTINGS 6 x M8 inserts for wall bracket

10 x M8 fly points

6 x M8 inserts for wall bracket

10 x M8 fly points

10 x M8 fly points

DIMENSIONS (W) 323 mm x (H) 515 mm x (D) 311 mm

(W) 12.7ins x (H) 20.3ins x (D) 12.2ins

(W) 357 mm x (H) 571 mm x (D) 348 mm
(W) 14.1ins x (H) 22.5ins x (D) 13.7ins

(W) 425 mm x (H) 691 mm x (D) 411 mm
(W) 16.7ins x (H) 27.2ins x (D) 16.2ins

WEIGHT 15.3 kg (33.7lbs) 19.3 kg (42.5lbs) 27.7 kg (61lbs)

ACCESSORIES CDDWB10/12B wall bracket black

CDDWB10/12W wall bracket white
CDDYA10B yoke assembly black
CDDYA10W yoke assembly white

CDDWB10/12B wall bracket black
CDDWB10/12W wall bracket white
CDDYA12B yoke assembly black
CDDYA12W yoke assembly white

CDDYA15B yoke assembly black
CDDYA15W yoke assembly white

CDD User Guide V1.0

50

CDD USER GUIDE

CSX112, CSX212

Notes

(1) Measured on-axis in half space at 2 metres, then referred to 1 metre.

(2) AES Standard ANSI S4.26-1984.

(3) Measured in half space at 2 metres with 2.83V input, using band limited pink noise,
then referred to 1 metre.

(4) Calculated in half space at 1 metre.

CSX112 CSX212

TYPE

Compact, single driver, direct radiating
subwoofer

Compact, dual-driver, direct radiating
subwoofer

FREQUENCY

RESPONSE

1

48 Hz-150 Hz ± 3 dB, -10 dB @ 35 Hz 48 Hz-150 Hz ± 3 dB, -10 dB @ 35 Hz

DRIVER

12” (300 mm)/3” (75 mm) voice coil, long
excursion, ferrite magnet, waterproof cone

2 x 12” (300 mm)/3” (75 mm) voice coil,
long excursion, ferrite magnet, waterproof
cone

RATED POWER

2

400 W AES, 1600 W peak 800 W AES, 3200 W peak

RECOMMENDED

AMPLIFIER

MA3.0 MA5.2K

SENSITIVITY

3

102 dB 105 dB

MAXIMUM SPL

4

128 dB continuous, 134 dB peak 134 dB continuous, 140 dB peak

NOMINAL IMPEDANCE 8 ohms 4 ohms

DISPERSION (-6 dB) Omnidirectional Omnidirectional

CROSSOVER 80-120 Hz active 80-120 Hz active

ENCLOSURE 52 litre, high-density MDF 100 litre, high-density MDF

FINISH Black or white textured paint Black or white textured paint

PROTECTIVE GRILLE Black or white perforated steel Black or white perforated steel

CONNECTORS Low profile 20A push-lock Low profile 20A push-lock

PIN CONNECTIONS Left to right: Input+, Input -, Link -, Link+ Left to right: Input+, Input -, Link -, Link+

DIMENSIONS

(W) 487 mm x (H) 385 mm x (D) 410 mm
(W) 19.2ins x (H) 15.2ins x (D) 16.1ins

(W) 872 mm x (H) 385 mm x (D) 437 mm
(W) 34.3ins x (H) 15.2ins x (D) 17.2ins

WEIGHT 21.5 kg (47.3lbs) 39 kg (86lbs)

CDD User Guide V1.0

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CDD USER GUIDE

CSX118, CSX218

CSX118 CSX218

TYPE Compact, direct radiating subwoofer Dual-driver, direct radiating subwoofer

FREQUENCY
RESPONSE

1

40 Hz-150 Hz ± 3 dB, -10 dB @ 35 Hz 35 Hz-150 Hz ± 3 dB, -10 dB @ 30 Hz

DRIVER 18” (460 mm)/4” (100 mm) voice coil,

long excursion, ferrite magnet, waterproof
cone

2 x 18” (460 mm)/4” (100 mm) voice coil,
long excursion, ferrite magnet, waterproof
cone

RATED POWER

2

1000 W AES, 4000 W peak 2000 W AES, 8000 W peak

RECOMMENDED
AMPLIFIER

MA5.2K MA9.6K, MA12K

SENSITIVITY

3

102 dB 105 dB

MAXIMUM SPL

4

132 dB continuous, 138 dB peak 138 dB continuous, 144 dB peak

NOMINAL IMPEDANCE 8 ohms 4 ohms

DISPERSION (-6 dB) Omnidirectional Omnidirectional

CROSSOVER 80-120 Hz active 80-120 Hz active

ENCLOSURE 160 litre, high-density MDF 330 litre high-density MDF

FINISH Black or white textured paint Black or white textured paint

PROTECTIVE GRILLE Black or white perforated steel Black or white perforated steel

CONNECTORS Low profile 20A push-lock Low profile 20A push-lock

PIN CONNECTIONS Left to right: Input+, Input -, Link -, Link+ Left to right: Input+, Input -, Link -, Link+

FITTINGS Four pocket handles

DIMENSIONS (W) 530 mm x (H) 662 mm x (D) 640 mm

(W) 20.9ins x (H) 26.1ins x (D) 25.2in

(W) 1085 mm x (H) 530 mm x (D) 780 mm*
(W) 42.7ins x (H) 20.9ins x (D) 30.7ins*

*905mm (35.6ins) with wheels

WEIGHT 42 kg (93lbs) 84 kg (185lbs)

Notes

(1) Measured on-axis in half space at 2 metres, then referred to 1 metre.

(2) AES Standard ANSI S4.26-1984.

(3) Measured in half space at 2 metres with 2.83V input, using band limited pink noise,
then referred to 1 metre.

(4) Calculated in half space at 1 metre.

CDD User Guide V1.0

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CDD USER GUIDE

TECHNICAL DRAWINGS

CDD5

CDD6

160mm

[6.3"]

149mm

[5.9"]

230mm

[9.1"]

210mm

[8.3"]

210mm

[8.3"]

325mm

[12.8"]

CDD User Guide V1.0

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CDD USER GUIDE

CDD8

CDD10

256mm

[10.1"]

253mm

[10.0"]

410mm

[16.1"]

323mm

[12.7"]

311mm

[12.2"]

515mm

[20.3"]

CDD User Guide V1.0

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CDD USER GUIDE

CDD12

CDD15

357mm

[14.1"]

348mm

[13.7"]

571mm

[22.5"]

425mm

[16.7"]

411mm

[16.2"]

691mm

[27.2"]

CDD User Guide V1.0

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CDD USER GUIDE

CSX112

CSX212

478mm

[19.2"]

410mm

[16.1"]

385mm

[15.2"]

425mm

[16.7"]

411mm

[16.2"]

691mm

[27.2"]

CDD User Guide V1.0

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CDD USER GUIDE

CSX118

CSX218

530mm

[20.9"]

640mm

[25.2"]

662mm

[26.1"]

1085mm

[42.7"]

905mm

[35.6"]

530mm

[20.9"]

780mm

[30.7"]

CDD User Guide V1.0

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CDD USER GUIDE

SPEAKER BRACKET TEMPLATES

Any of the bracket templates included in this Appendix section may be printed (select the page
you need in your printer dialogue box) and use it as a drilling template. Note that it is essential
to select the “Actual size” printing option if your computer/printer combination supports one,
otherwise the printed drilling template will be inaccurate and not real size.

CDD5 Wall Bracket

CDD User Guide V1.0

58

CDD USER GUIDE

CDD5 Ceiling Bracket

CDD User Guide V1.0

59

CDD USER GUIDE

CDD6 & CDD8 Wall Bracket

CDD User Guide V1.0

60

CDD USER GUIDE

CDD6 & CDD8 Ceiling Bracket

CDD User Guide V1.0

61

CDD USER GUIDE

CDD10 & CDD12 Wall Bracket

CDD User Guide V1.0

62

CDD USER GUIDE

WARRANTY

Martin Audio CDD and CSX Series Loudspeakers are warranted against manufacturing defects in
materials or craftsmanship over a period of 5 years from the date of original purchase.

During the warranty period Martin Audio will, at its discretion, either repair or replace products
which prove to be defective provided that the product is returned in its original packaging,
shipping prepaid, to an authorised Martin Audio service agent or distributor.

Martin Audio Ltd. cannot be held responsible for defects caused by unauthorised modifications,
improper use, negligence, exposure to inclement weather conditions, act of God or accident, or
any use of this product that is not in accordance with the instructions provided by Martin Audio.
Martin Audio is not liable for consequential damages.

This warranty is exclusive and no other warranty is expressed or implied. This warranty does not
affect your statutory rights.

During the warranty period Martin Audio will, at its discretion, either repair or replace products
which prove to be defective provided that the product is returned in its original packaging,
shipping prepaid, to an authorised Martin Audio service agent or distributor.

Martin Audio Ltd. cannot be held responsible for defects caused by unauthorised modifications,
improper use, negligence, exposure to inclement weather conditions, act of God or accident, or
any use of this product that is not in accordance with the instructions provided by Martin Audio.
Martin Audio is not liable for consequential damages.

This warranty is exclusive and no other warranty is expressed or implied. This warranty does not
affect your statutory rights.

COPYRIGHT AND TRADEMARKS

Copyright Martin Audio Ltd. Martin Audio, CDD Series and CSX Series are trademarks of Martin
Audio Ltd and are registered in the United Kingdom, United States and other countries.

All other trademarks and trade names are the property of their respective owners.

2015 © Martin Audio Limited. All rights reserved.

CDD User Guide V1.0

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CDD USER GUIDE

Martin Audio Limited

Century Point

Halifax Road

Cressex Business Park

High Wycombe

Buckinghamshire

HP12 3SL

England

UK

Telephone: [phone]

Facsimile: [phone]

E-mail: [e-mail]

NORTH AMERICA

Telephone: [phone]

Facsimile: 519 747 3576

E-mail: [e-mail]

All information is Copyright © 2015 Martin Audio Ltd.

Martin Audio, the Martin Audio logo and CDD are registered trademarks of Martin Audio Ltd. in the United Kingdom,
United States and other countries; all other Martin Audio trademarks are the property of Martin Audio Ltd.

All other trademarks and trade names are the property of their respective owners.

www.martin-audio.com