CMX20T built-in loudspeaker
CMX20T
The Apart CMX20T is a 2-way 100V/70V/16 ohm built-in ceiling loudspeaker. The loudspeaker
has a 8” woofer, a 1” coaxial tweeter and a high quality 100/70 volt speaker line transformer
with multiple power taps. CMX20T is the perfect choice for the distribution of microphone calls
and background music. The mounting frame is made of high quality ABS. CMX20T is available in
black and white.
Safety precaution
• Keep this manual for future reference.
• When cutting the mounting hole for the speaker, make sure there is sufficient clearance behind the
panel (no obstructions like A/C channels, power lines etc).
• Take care of your speaker wires, they should be free of damage. Damaged speaker wires might result in
poor sound quality and can damage amplifiers.
• Only use accessories specified by the manufacturer
• Make sure the mounting panel can support the speakers weight.
• Use sufficient amount of speakers to avoid dead spots.
• No mains power shall be connected to the loudspeakers, doing so will damage the speaker.
• This apparatus should only be serviced by qualified personnel. If not warranty might be void.
• Use cable of the right gauge, certainly for long runs.
• Use cables with clear color indication and maintain polarity throughout the whole system.
• Avoid loud feedback from microphones, this can damage your speaker.
• Please check the units condition after unpacking. If the outside of the carton box has been damaged,
inform your shipper immediately.
Warranty info
Warranty claims and claims for hidden defects can
be considered only if the defects appear within the
warranty period of 24 months and are notified within
8 days following their appearance per registered letter.
The warranty is not valid in case of an incident, wear,
for moving parts, power surges, inadequate packing
The general terms and conditions can be found here:
http://www.apart-audio.com/conditions/General_Terms_and_Conditions_Audioprof.pdf
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or shipping, improper use or storage and the disregard
of recommendations of Audioprof. The warranty only
concerns the spare parts and not the involved labor,
transportation or any other costs. The product must
be returned in the original packaging with the proof
of purchase by an Audioprof authorized reseller.
Mounting the loudspeaker
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The loudspeaker is easy to install, due to its simple mounting system.
(1) Use the cutout template to mark the mounting hole.
(2) When making the hole in your mounting panel, double check if there are no cables
or any other obstructions behind the mounting panel. Cutting the mounting panel
without this check might result in damaged infrastructure or power lines. Please make
sure that the mounting structure is capable of safely supporting the speaker’s weight.
(3) Remove the speaker grille: turn the mounting clamps (dog-ears) outwards and push
them in the direction of the grille until it pops out. Remove the grille.
(4) Turn the dog-ears inwards again and tighten the dog-ear screws slightly to make them
stay in the inward position.
(5) Connect the speaker wires and (6) insert the speaker in the precut speaker opening.
(7) Fasten the dog-ear screws carefully until the speaker sits safely in place. Do not
overtighten the dog-ear screws!
(8) Carefully push the grille back in place.
NOTE: for use in low impedance systems, always disconnect the 100/70 volt
transformer and connect the low impedance speaker wires directly at the speaker.
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6 7
outside diameter 244 mm
depth 87 mm
cutout 223 mm
loudspeaker system 2-way
woofer size 8 inch
woofer cone material polypropylene
tweeter size 1 inch
mounting system 3 screws
100/70V* power taps 20 - 10 - 5 - 2.5* watts
impedance 16 ohms
*2.5W: 70 volt only
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100V / 70V
low impedance
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low impedance dynamic power 100 watts
SPL 1W/1m 88 dB
max SPL 1m 108 dB
frequency response 50 - 20 kHz
main construction material ABS plastic
grille main material aluminium
IP rating 54
applicable low impedance yes
applicable in 100V / 70V yes
dispersion angle 1000 Hz 180°
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