To prevent risk of fire or electric shock, do not expose any of the components to rain or moisture.
If liquids are spilled on the amplifier panel, stop using immediately, allow unit to dry out and have
checked by qualified personnel before further use. Avoid impact or dropping of the cabinets.
No user serviceable parts inside – Do not open the case – refer all servicing to qualified service
personnel.
Safety
Ensure all fixings are secure and adequate for supporting the weight of the CLA-300
Ensure that the power cord is in good condition and adequate for the power rating
Check for correct mains voltage and condition of IEC lead before connecting to power outlet
Ensure speaker link leads are good condition with no short connections or damaged plugs
Connect no more than 4 mid-top array cabinets to one active sub unit
Avoid constant overload of the unit (indicated by constant lighting of the PEAK LED)
Do not allow any foreign objects to enter the case or through the speaker grilles
In case of failure of the CLA-300, disconnect from the mains and check fuse. If fault repeats,
refer to qualified service personnel
Placement
Keep amplifier panel out of direct sunlight and away from heat sources
Avoid damp or dusty environments
Ensure that the CLA-300 is not positioned in a manner that may cause injury
Ensure adequate access to controls and connections
Cleaning
Use a soft cloth with a neutral detergent to clean the casing as required
Use a vacuum cleaner to clear ventilation grilles of any dust or debris build-ups
Do not use strong solvents for cleaning the unit
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Introduction
Thank you for choosing the Citronic CLA-300 active compact line array system. This self-contained
unit can operate independently or as part of a larger system to provide accurate, full-range sound
reproduction for applications as diverse as theatre, conference, live music venues and houses of
worship. Please read and follow the instructions in this manual to achieve the best results and avoid
damage through incorrect usage.
Description
The CLA-300 is a self-contained active speaker system which combines an active 2 x 8” subwoofer
with a group of 4 arrayed mid-top cabinets. The power amplifier section is housed in the subwoofer
unit which, in turn, is linked to power the 4 mid-top cabinets. Each mid-top cabinet houses a pair of
4” mid drivers and a precision ribbon tweeter for high frequencies and is engineered to provide a
focused vertical output with a very wide dispersion for maximum horizontal coverage
The input signal is fed via a digitally controlled EQ and dynamics processor to maximize efficiency in
the system and enable frequency adjustment to tailor the output to suit the venue or application.
Connection to a PC gives access to the DSP processor using the supplied software CDROM, allowing
bespoke programming of the response and tone characteristics of the sub and array.
Various installation methods are possible with the custom-designed mounting/flying frame,
depending upon the building or surroundings and can be combined to provide modular arrays or
multi-point sound reinforcement for larger areas.
Components
Please check the contents when opening the packaging. If any components are missing or damaged,
contact your dealer immediately. The package should contain...
1 x Active subwoofer unit
4 x Passive line-array mid-top cabinets
1 x Mounting/flying frame
1 x Packet of fixing hardware
1 x Software CDROM
1 x Mains lead
1 x RS-232 cable
1 x USB cable
4 x Speaker leads
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Assembly
The CLA-300 may be assembled as a single vertically flown array, inverted as a floor-standing stack
or combined into a multiple array. Assembly for standard flown orientation is shown below.
1. Secure the 4 x M8 eyebolts to the corners of the flying frame. Each eyebolt must be securely
fixed using the appropriate hardware to ensure that there is no movement of the fixing or
possibility of becoming unfastened through movement or vibration and should be suspended
from a permanent fixing in the ceiling which is adequate for holding the weight of the complete
line-array.
2. Undo the M5 thumb screws at the bottom of the active sub and take out the Passive-Active Link
3. Undo the 2 x M5 thumb screws at front side of the passive unit, align the holes with similar at
the base of the sub and fasten the M5 screws through both, securing passive units to the sub
4. Attach the Passive-Active Link and Passive Back Link brackets as shown below (Angle adjustment
is explained in the “Installation” section)
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Installation
Single Flown Array
For standard single flown array, installation is executed using 4 supplied eyebolts attached to each
corner of the flying frame. Fixings should be the strongest possible type for the substrate or ceiling
supports to ensure a fail-safe installation. Suspension via wire rope or steel cables, each with a
breaking strain of no less than 200kg is recommended per single line-array system.
In some situations, it may be easier to suspend the sub unit first and then assemble line-array
speakers below it, ensuring that the weight of each is adequately supported before securing to the
array.
Once assembled, the line-array can be curved to
address the listening field by selecting various angle points on the Passive Back Link brackets
provided. The angle chosen depends largely upon the distance from the audience and the acoustic
environment but should be adjusted so that each array speaker unit is vertically focused to evenly
distribute the output across the listening field.
Each Passive Back Link bracket has numbered lines for tilt in degrees. Number 1 Hole is used for
even number degrees tilt and Number 2 Hole is used for odd number degrees of tilt. Whilst
supporting the weight of the passive speaker, use these lines to align the correct fastening hole for
the degree of tilt required for each component in the array.
For example, if the required splay angle is 5, the line marked with the number 5 on the Passive Back
Link must be aligned with the bottom edge of the groove on the back of the top speaker. The
Number 2 Hole on the lower speaker can aligned with the hole in the Passive Back Link and secured
using the M5 screw.
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Multiple Flown Array
For multiple flown line-array, installation is similar to
that of a single array with sub cabinets coupled
together and passive units all flown in a single,
longer array.
With the uppermost sub unit attached to its flying
frame, secure the 4 x M8 eyebolts for flying.
Undo the 2 x M5 thumb screws at the bottom of the
sub unit and remove the Active-Passive Link bracket.
Subsequent sub units are attached underneath by
removing the flying frame(s) and aligning the 4 top
corner mounting holes with corresponding holes on
the bottom of the sub unit above it. These are
secured through using the 4 x M5 thumb screws
accordingly.
Connection of passive units from the bottom sub unit
is executed in the same way as for a single line
array, with each group of 4 passive units linked in a
single line-array.
Floor-standing Stack
Where flying or ceiling mounting is not possible, it may
be useful to arrange the CLA-300 as a free-standing
stack on the floor or on a stage. In this orientation, the
sub unit sits on its flying frame on the floor and the
passive units are splayed upwards above the sub unit.
Prior to assembly, do not attach the 4 x M8 eyebolts to
the flying frame. If the frame is likely to damage the
floor surface, protect with rubber or other scratchresistant material.
Assemble passive units above the sub in the same
manner as for a standard flown array shown above but
inverted. Splayed angle adjustment may be used for
venues with raised rear seating areas (e.g. theatres)
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Connection
Using the supplied speaker leads, connect 4 passive units to one sub unit as shown below.
For multiple arrays, connect each group of 4 passive units to one sub unit.
No more than 4 passive units may be connected to a single sub.
Use the supplied IEC lead to connect to mains, ensuring correct voltage and power capacity
Connect signal input via XLR (connect to LINE input – not to be confused with RS-485 input)
To continue the signal onto further units, connect from the XLR LINE output
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