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ARCHITECTURAL SPECIFICATIONS
The loudspeaker shall be of the two way type comprising a single
flush mount enclosure containing one 6-1/2" (165mm) low frequency
transducer and one coaxially mounted pivoting 3/4" (19mm) high
frequency transducer.
Frequency response shall be 65Hz – 20KHz. Total power handling
shall be 70 watts RMS and 140 watts program. Sensitivity measured
with 2.83 volts input at 1 meter on axis averaged between
65Hz – 20KHz shall be 89dB. The unit shall be supplied with a line
matching transformer suitable for 100 volt or 70 volt with a front
mounted control allowing user selectable power taps of 60W, 30W,
15W, 7.5W and a 8 ohm bypass.
The back can shall be constructed from deep drawn steel. The baffle
shall be injection molded using fire rated ABS that meets UL94V-0.
Wire shall be terminated in an enclosed area on the rear of the back
can. Strain relief shall be provided for wire. A support hook shall be
provided on the rear of the back can to allow additional support when
necessary.
The system shall include a support backing plate to reinforce the
ceiling material and tile support rails which can all be installed from
beneath the ceiling tile.
External dimensions shall be 9-3/4" (248mm) in diameter x 7-1/2"
(190mm) mounting depth. The total enclosure shall weigh 8 lbs. (3.63
kg) per unit.
The loudspeaker shall be the Sound Advance Prommercial CM660.
No other system shall be acceptable unless the above combined
performance specifications are equaled or exceeded.
9.75"
8.21"
6.71"
7.50"
7.67"
9.75"
SOUND ADVANCE
Prommercial CM660
Tweeter 3/4" (19mm) Cloth dome
Woofer 6-1/2" (165mm) Polypropylene cone with a rubber surround
Frequency Range 65Hz – 20kHz ±10dB
Nominal Sensitivity 89dB 1w 1m
Nominal Coverage angle 120.0 degrees conical
Directivity Factor 5.9 averaged from 500 Hz to 4 kHz
Directivity Index 4.6 averaged from 500 Hz to 4 kHz
Transformer Taps 70 volt - 60W, 30W, 15W and 7.5W
100 volt - 60W, 30W and 15W
Power Capacity 140 watts maximum program power
70 watts continuous Pink noise
Enclosure Back can: Deep drawn steel
Baffle: ABS meets UL94V-0 fire rating
Grille Paintable weather resistant aluminum
Termination Locking removable quick connect with two input terminals and two loop
through terminals
Speaker Dimensions 9-3/4" (248mm) x 7-1/2" (190mm)
Cut-out Dimensions 8-1/4" (210mm) diameter
Product Weight 8.0 lbs (3.63 kg) each
Shipping Weight 19.0 lbs (8.61 kg) per pair
Included Accessories C - support plate
2 international compatible tile support rails
Cut-out template
Paint plug
Removable quick connect wire terminator
Certifications NOT SUITABLE FOR AIR HANDLING SPACES
UL 1480
CE
PRODUCT SPECIFICATIONS
7
SPECIFICATIONS
Transformer Tap Switch
70 volt - 60W, 30W, 15W, 7.5W
100 volt - 60W, 30W, 15W
8 Ohm