MARTIN AUDIO LE SERIES
LE100/LE200 USER GUIDE
LE100/LE200 USER GUIDE
CONTENTS
APPROVALS ......................................................................................................3
UNPACKING THE UNIT .....................................................................................3
INTRODUCTION ................................................................................................ 4
Safety Note ............................................................................................... 4
Coaxial Differential Dispersion® Technology .................................................5
THE LE SERIES - OVERVIEW .............................................................................6
LE100 ...................................................................................................... 6
LE200 ...................................................................................................... 6
CONNECTIONS .................................................................................................7
LE200 only – crossover modes .................................................................... 8
Cable lengths ............................................................................................9
RECOMMENDED AMPLIFIERS ...........................................................................9
RECOMMENDED CONTROLLER .......................................................................10
Speaker Parameters .................................................................................10
MOUNTING OPTIONS ...................................................................................... 12
Portrait orientation ................................................................................... 12
Grille removal and replacement .........................................................14
Badge rotation ................................................................................. 16
Flying LE Series monitors .........................................................................16
ACCESSORIES ................................................................................................ 16
LE SERIES SPECIFICATIONS ...........................................................................17
Technical Drawings ..................................................................................18
WARRANTY.....................................................................................................19
COPYRIGHT AND TRADEMARKS ...................................................................... 19
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LE100/LE200 User Guide V1.0
LE100/LE200 USER GUIDE
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
Electrical Safety: IEC60065:2002 + A2:2010
UNPACKING THE UNIT
Thank you for purchasing a Martin Audio LE Series stage monitor. Every Martin Audio loudspeaker
is built to the highest standard and thoroughly inspected before it leaves the factory. After
unpacking the monitor, 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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LE100/LE200 USER GUIDE
INTRODUCTION
Thank you for purchasing this Martin Audio LE Series stage monitor, the latest evolution of
a long line of famous, industry standard products under the LE brand (including the hugely
successful LE400).
The Martin Audio LE Series fulfils the need for affordable, high performance on-stage monitoring
in a compact, low-profile package. The LE Series use Coaxial Differential Dispersion® Technology
to overcome the common constraints of wedge monitor speaker designs: it provides sound
coverage at head height which is consistent both in sound level and frequency response, yet
sufficiently extensive to allow the performer natural freedom of movement.
The cabinets are styled to be unobtrusive, with a low profile to improve audience sight lines. The
enclosures are constructed from strong birch/poplar ply, with steel brace reinforcement behind
the grille and a black textured finish to minimise reflections from stage lighting. The grilles
are black perforated steel with an acoustically transparent black scrim cloth backing. Despite
their power handling and SPL output, LE Series monitors are light in weight to aid handling,
transportation and set-up.
The LE Series use two-way, full-range co-axial drivers, incorporating Martin Audio’s exclusive
Differential Dispersion® horn technology. There are two models: the LE100, rated at 300 W*,
has a 12” driver; the LE200, rated at 400 W*, uses a 15” driver. Passive crossovers optimised
for the drivers are fitted, though the larger LE200 may be bi-amped if wished. The passive
crossover frequency is 1.6 kHz (LE100) or 1.2 kHz (LE200).
Multiple NL4 connectors are fitted to both models for ease of on-stage cabling and to facilitate
daisy-chaining.
While primarily intended for use as an on-floor wedge monitor, both models are fitted with M8
inserts to permit flying if required; eyebolts are available as a standard accessory. Additionally,
the LE100 is fitted with a 35 mm top hat socket permitting it to be pole-mounted and used as
a versatile PA system.
Both end faces have moulded rubber feet to protect the monitor during set-up and break-down.
This User Guide provides a detailed explanation of the various features of the LE Series. 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.
* AES power ratings
SAFETY NOTE
It is important that loudspeaker systems are used in a safe manner. Please take some time to
review the following points concerning safe use of LE Series loudspeakers:
• Professional loudspeakers are capable of producing extremely high sound levels and should
be used with care.
• Hearing loss is cumulative, and can result if people are exposed to levels above 90 dB SPL
for a long period.
• Never stand close to loudspeakers driven at high level.
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LE100/LE200 User Guide V1.0
LE100/LE200 USER GUIDE
COAXIAL DIFFERENTIAL DISPERSION® TECHNOLOGY
LE Series monitors feature Martin Audio’s unique, patented Coaxial Differential Dispersion®
technology. The design augments the ‘point-source’ benefits of coaxial drivers with the
consistency of coverage which Coaxial 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; this causes off-axis variations, undesirable in a
stage monitoring environment. In contrast, coaxial systems aim to sum LF and HF contributions
at all positions off-axis, and over a range distances from the loudspeaker.
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. Coaxial Differential Dispersion® drivers
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 Coaxial 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,
fixed-dispersion type horn. A conventional horn tends to produce an imperfect coverage pattern
which misses out some areas — particularly side areas close to the loudspeaker.
In contrast, a Coaxial Differential Dispersion® system as implemented in the LE Series produces
a near rectangular coverage pattern at head height. The consistency of frequency response and
SPL thus achieved throughout the target area is exceptional, and furthermore the area itself
is more extensive than with conventional monitors, allowing the performer a great deal more
flexibility of movement while remaining in the sound field.
LE100/LE200 User Guide V1.0
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LE100/LE200 USER GUIDE
THE LE SERIES - OVERVIEW
There are two models in the LE range: one based on a 12” driver, the other on a 15” driver. Both
models are 8 ohms impedance. The basic characteristics of the two models are summarised
below (full specifications at “LE Series Specifications” on page 1):
Model LF driver (dia.) HF driver (dia.) LF -3 dB point Power rating*
LE100 12” (300 mm) 1” (25 mm) 78 Hz 300 W
LE200 15” (380 mm) 1.4“ (35 mm) 68 Hz 400 W
* AES power ratings
LE100
NL4 (handles) NL4 (base)
The LE100 is designed to be driven by a full-range amplifier. It has an internal passive crossover
at a frequency of 1.6 kHz. The LE100 is fitted with five paralleled NL4 type connectors: two at
the front (facing the performer), one at each end recessed in the handles, and one in the base
(for use when it is pole-mounted).
LE200
The LE200 may either be bi-amped or driven by a single full-range amplifier. For full-range use,
it uses an internal crossover at a frequency of 1.2 kHz. The LE200 is fitted with four paralleled
NL4 type connectors: two at the front (facing the performer) and one at each end.
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LE100/LE200 User Guide V1.0
LE100/LE200 USER GUIDE
CONNECTIONS
LE Series monitors are fitted with low-profile, NL4-type four-pin push-lock connectors, rated
at 30 A. All the connectors (five on the LE100, four on the LE200) are wired in parallel: use
whichever connector(s) suit the stage cabling layout. The multiple connectors permit simple
interconnection between monitors on the same circuit; they can be used to “daisy-chain” the
amplifier output to the next speaker.
Important: please ensure that the total impedance of multiple LE Series monitors connected in
this way is not less than the minimum load impedance the amplifier channel can drive:
No. of monitors Total impedance
1 8 ohms
2 4 ohms
3 2.7 ohms
4 2 ohms
Wire the mating connectors according to the following pinout table:
Pin LE100 LE200
Passive x-over Bi-amped
Input ‘+’ Input ‘+’ LF input ‘+’
1+
Input ‘-‘ Input ‘-‘ LF input ‘-‘
1-
(not used) (no connection) HF input ‘+’
2+
(not used) (no connection) HF input ‘-‘
2-
Note that as pins 2+ and 2- are unused on the LE100, standard four-core speaker cables
terminated in NL4s may be used without a problem. However, note that all four pins on each
connector - including those that are unused by the speaker itself - are wired in parallel to all
other connectors on the cabinet.
LE100/LE200 User Guide V1.0
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LE100/LE200 USER GUIDE
LE200 ONLY – CROSSOVER MODES
The LE200 may be bi-amped if wished. Configuration data for external electronic crossovers or
system controllers can be found at “Speaker Parameters”).
The LE200 may be switched between passive (full-range) mode and bi-amped mode with the
switch on the recessed front panel between the two connectors.
INPUTS
NL4 pins 2+/2-
HF Input (Bi-amp mode only)
NL4 pins 1+/1-
Full Range (Passive mode)
LF Input (Bi-amp mode)
HF OUTPUT
PASSIVE CROSSOVER
INPUT
LF OUTPUT
MODE SWITCH
PASSIVE
ACTIVE
HF DRIVER
LF DRIVER
• Set the switch to PASSIVE if driving the LE200 with a full-frequency range amplifier
channel, and wire only the 1+ and 1- pins of the NL4 connectors.
• Set the switch to BI-AMP if using an external electronic crossover or system controller in
conjunction with separate amplifiers (or amplifier channels) for LF and HF. Wire the LF
amplifier channel to pins 1+ and 1-, and the HF amplifier channel to pins 2+ and 2-.
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LE100/LE200 User Guide V1.0
LE100/LE200 USER GUIDE
CABLE LENGTHS
When connecting any loudspeaker system to an amplifier, it is recommended that the return
resistance of the cable used is less than one tenth of the nominal impedance of the loudspeaker
or loudspeakers in parallel. The table below gives an indication of the maximum permissible
cable runs for various conductor cross-sectional areas.
Conductor CSA Maximum Cable Run
1.0 mm
1.5 mm
2.0 mm
2.5 mm
4.0 mm
6.0 mm
2
2
2
2
2
2
4 ohms 8 ohms
11 m 22 m
17 m 34 m
22 m 44 m
29 m 58 m
44 m 88 m
66 m 132 m
RECOMMENDED AMPLIFIERS
Martin Audio MA Series two and four channel power amplifiers are recommended for use with
LE Series stage monitors. These amplifiers work well at 4 ohms, making it possible to power two
cabinets in parallel from each amplifier channel. Models are available with power ratings from
700 W/ch. to 4000 W /ch. (into 4 ohms). We recommend amplifier models MA5.2K or iK81
if more than two LE Series monitors need to be connected in parallel, as these amplifiers can
comfortably drive 2 ohm loads.
Other manufacturers’ power amplifiers may be used provided they are capable of delivering
the necessary power into the combined impedance of the monitors 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 the LE100 and LE200
when used in pairs. The “Recommended models” column lists the Martin Audio MA Series
amplifier models suitable for each speaker model.
Model
Rating,
AES
LE100 300 W 1200 W 8 ohms 2400 W into 4 ohms MA2.0, MA3.0, MA5.0Q
LE200 400 W 1600 W 8 ohms 3200 W into 4 ohms MA3.0, MA5.0Q
Rating,
Peak
Impedance Minimum amplifier Recommended models
Care should be taken to avoid amplifier clipping. It is important to understand that a low power
amplifier driven into clipping is more likely to damage a loudspeaker than a higher power amplifier
used within its ratings. This is because music signals have a high peak-to-average “crest” factor.
When an amplifier is severely overdriven, its output waveform is clipped (its peaks are squared
off) – reducing the crest factor. In extreme cases, the waveform can approach that of a square
wave. An amplifier is normally capable of producing far more power under these conditions than
its undistorted rated power output.
LE100/LE200 User Guide V1.0
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LE100/LE200 USER GUIDE
The use of very high power amplifiers with outputs greater than those recommended is
discouraged.
Care should be taken to avoid switch-on surges, which can result in momentary power peaks in
excess of specified ratings. When powering up a sound system it is important to switch on the
amplifiers after the mixer and control electronics have stabilised. When powering the system
down, reverse the sequence and switch the amplifiers off first.
RECOMMENDED CONTROLLER
The Martin Audio DX0.5 Loudspeaker Management System is the approved controller for use
with LE Series stage monitors. The internal speaker preset library includes two presets for each
model:
• LE100 standard use or pole mounted
• LE200 passive or bi-amped
For more information on how to connect and operate of the DX0.5 please refer to its User Guide
(which can be downloaded from https://martin-audio.com/userguides2015/)
SPEAKER PARAMETERS
Alternative high quality loudspeaker management systems may be used. The table on the
following page lists the parameters for each LE Series monitor 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.
This information is also included in Martin Audio’s General Product parameter spreadsheet,
which is available for download from:
https://martin-audio.com/userguides2015/#ControllerLoadingSoftwarePresets.
Note: Limiter threshold is calculated using an amplifier gain of 32 dB.
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LE100/LE200 User Guide V1.0
LE100/LE200 USER GUIDE
LE200 (Bi-amp)
1.4" HF -5dB In 0.0ms 1.18kHz 24dB/
Oct LR
15" LF 0dB In 0.206ms 35Hz 24dB/
Oct LR
LE200 (Passive)
15"+1.4" 0dB LF In
HF Out
0.0ms 35Hz 24dB/
Oct LR
LE100 (Pole Mount)
12"+1" 0dB LF In 0.0ms 40Hz 24dB/
Oct LR
LE100 (Floor Monitor)
12"+1" 0dB LF In
Driver Gain Phase Delay Freq Slope Freq Slope Freq Q Gain Threshold Attack Release
HF In
0.0ms 40Hz 24dB/
Oct LR
High Pass Filter Low Pass Filter EQ Limiter
3.7kHz
6.8kHz
14.2
1.5
-4dB
5dB
no filter
Out/
N/A 1.22kHz
2.25kHz
10
4
-6.5dB
-1.5dB
-1.0dBu 5.0ms 0.1s
433Hz
690Hz
2.5
8
-1.5dB
-5dB
1.29kHz 24dB/
Oct LR
142Hz
3
-1dB
+5.0dBu 8.0ms 0.3s
3.7kHz
13kHz
10
3
-3.5dB
-3dB
1.3kHz
2.6kHz
14.2
6
-3dB
-2dB
no filter
Out/
N/A 142Hz
394Hz
2.5
3
-1dB
-2dB
+5.0dBu 8.0ms 0.3s
2.37kHz
1kHz
3
5
2dB
4dB
18kHz 24dB/
Oct LR
475Hz
76Hz
3
2
+6dB
-1dB
+4.0dBu 8.0ms 0.3s
2.2kHz
12dB
HSh
+1.5dB
2.31kHz
3.46kHz
4.5
6.3
-5.5dB
+3dB
1.21kHz
693Hz
2.1
5.7
+2.5dB
-1.5dB
18kHz 24dB/
Oct LR
150Hz
76Hz
1.8
3.4
=1.5dB
+2dB
+4.0dBu 8.0ms 0.3s
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LE100/LE200 USER GUIDE
MOUNTING OPTIONS
As wedge monitors, LE Series monitors will most often be used as free-standing cabinets in
“landscape orientation” at floor level. The enclosures are fitted with moulded rubber feet on the
base which protect the stage and help the units to retain their position.
The coverage at ear height of the LE200 when used in “landscape” orientation (i.e., normal
wedge mode) is shown below:
The coverage of the LE100 is similar.
PORTRAIT ORIENTATION
Alternatively, both the LE100 and LE200 may be used in “portrait orientation” if wished; the
LE100 may be pole mounted for use as a portable PA system, and either model may be used in
conjunction with a sub-woofer as, e.g., a drum fill. The rubber feet on the ends protect both the
monitor and the sub-woofer.
The LE100 has a 35 mm top-hat socket in the rear to facilitate pole-mounting. The socket is
protected by a removable rubber bung when not in use.
LE Series speakers are shipped from the factory ready for deployment as wedge monitors, in
horizontal (“landscape”) orientation. For vertical 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 using an LE Series monitor with the driver incorrectly
orientated.
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LE100/LE200 User Guide V1.0
LE100/LE200 USER GUIDE
It can be seen from the the views above that the 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.
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 following section ”Grille removal and
replacement”.
3. Using a 5 mm AF hex key, remove the eight screws securing the driver to the baffle
board.
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 “Grille removal and
7. Follow the instructions in the section “Badge rotation” on page 16.
LE100/LE200 User Guide V1.0
replacement”.
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LE100/LE200 USER GUIDE
Grille removal and replacement
Grilles on LE Series monitors 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).
Push the handle down. This will lift the grille out of the slot.
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LE100/LE200 User Guide V1.0
LE100/LE200 USER GUIDE
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 grill 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.
LE100/LE200 User Guide V1.0
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LE100/LE200 USER GUIDE
Badge rotation
The Martin Audio badge is spring loaded and can be rotated through 180 degrees to maintain a
professional appearance. To do so, remove the grille and push the badge forward from the rear
while turning it to the desired orientation. Once complete, refit the grille.
FLYING LE SERIES MONITORS
The LE100 and LE200 are also suitable for mounting at height: both models have two M8
inserts in each end of the enclosure into which eye bolts may be fitted, to allow them to flown
from a truss using standard rigging techniques.
When flying loudspeaker, always observe standard industry guidance regarding truss loading and
safety considerations. The weights of LE Series enclosures are:
Model Weight
LE100 18 kg (39.7 lbs)
LE200 26 kg (57.3 lbs)
ACCESSORIES
The following Martin Audio accessories are available for the LE Series:
HTK00003 M8 Eye Bolt (galvanised finish)
LE100FCUK Wheeled flightcase for 2 x LE100 (ROW spec)
LE100FCUS Wheeled flightcase for 2 x LE100 (US spec)
LE200FCUK Wheeled flightcase for 2 x LE200 (ROW spec)
LE200FCUS Wheeled flightcase for 2 x LE200 (US spec)
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LE100/LE200 User Guide V1.0
LE100/LE200 USER GUIDE
LE SERIES SPECIFICATIONS
LE100 LE200
TYPE
FREQUENCY
RESPONSE (1)
DRIVERS
RATED POWER (2) 300 W AES, 1200 W peak 400 W AES, 1600 W peak
RECOMMENDED
AMPLIFIER
SENSITIVITY (1)
MAXIMUM SPL (3) 129 dB peak 133 dB peak
NOMINAL IMPEDANCE 8 ohms LF/FR: 8 ohms, HF: 8 ohms
DISPERSION(-6 dB) 110° - 60° horizontal, 60° vertical
CROSSOVER 1.6 kHz passive 1.2 kHz active/passive (switchable)
ENCLOSURE Birch/poplar ply
FINISH Black textured paint
PROTECTIVE GRILLE Black perforated steel with scrim cloth backing
BAFFLE ANGLE 27˚ 30˚
CONNECTORS 5 x NL4 type 4 x NL4 type
PIN CONNECTIONS 1+/1- LF/FR: 1+/1-, HF: 2+/2-
FITTINGS
DIMENSIONS
DIMENSIONS
(INCLUDING FEET)
WEIGHT 18 kg (39.7 lbs) 26 kg (57.3 lbs)
ACCESSORIES
Two-way passive, Coaxial Differential
Dispersion stage monitor
78 Hz - 20 kHz ± 3 dB:
-10 dB @ 58 Hz
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
MA2.0, MA3.0, MA5.0Q MA3.0, MA5.0Q
97 dB LF: 100 dB, HF: 103 dB
2 x pocket handles
Protective rubber feet on base and sides
4 x M8 inserts
Pole-mount 35 mm socket
(W) 490 mm x (H) 302 mm x (D) 472 mm
(W) 19.3 ins x (H) 11.9 ins x (D) 18.6 ins
(W) 496 mm x (H) 305 mm x (D) 472 mm
(W) 19.5 ins x (H) 12.0 ins x (D) 18.6 ins
Eyebolts
Flightcase
Two-way, bi-amp/passive Coaxial Differential
Dispersion stage monitor
68 Hz – 18 kHz ± 3 dB;
-10 dB @ 50 Hz
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
Passive: 100 dB
2 x bar handles
Protective rubber feet on base and sides
4 x M8 inserts
(W) 610 mm x (H) 364 mm x (D) 562 mm
(W) 24.0 ins x (H) 14.3 ins x (D) 22.1 ins
(W) 616 mm x (H) 367 mm x (D) 562 mm
(W) 24.2 ins x (H) 14.4 ins x (D) 22.1 ins
Eyebolts
Flightcase
NOTES:
1. Measured in half (2pi) space at 2 metres with 1 watt input, using band limited pink noise, then referred to 1 metre.
2. AES Standard ANSI S4.26-1984.
3. Calculated at 1 m.
LE100/LE200 User Guide V1.0
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LE100/LE200 USER GUIDE
TECHNICAL DRAWINGS
LE100
LE200
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LE100/LE200 User Guide V1.0
LE100/LE200 USER GUIDE
WARRANTY
Martin Audio LE Series Stage Monitors 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.
COPYRIGHT AND TRADEMARKS
Copyright Martin Audio Ltd. Martin Audio and Coaxial Differential Dispersion are registered
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.
2017 © Martin Audio Limited. All rights reserved.
LE100/LE200 User Guide V1.0
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Martin Audio Limited
Century Point
Halifax Road
Cressex Business Park
High Wycombe
Buckinghamshire
HP12 3SL
England
UK
Telephone: +44 (0)1494 535312
Facsimile: +44 (0)1494 438669
E-mail: info@martin-audio.com
NORTH AMERICA
Telephone: 519 747 5853
Facsimile: 519 747 3576
E-mail: infona@martin-audio.com
All information is Copyright © 2017 Martin Audio Ltd.
Copyright Martin Audio Ltd. Martin Audio and Coaxial Differential Dispersion are registered 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.
www.martin-audio.com
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