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Concourse C4 version3
19/3/04
STANDARD ACCESSORIES:
Color: White with color matched grill cloth
'C' Clamp: A 'C' clamp is included with the loudspeaker to
facilitate mounting on ceiling finishes.
Tile bridge: Two 2ft/600mm rails are included with the loud-
speaker for mounting on ceiling grids.
Back box: Included with loudspeaker
Mounting: Three swivel mounts which rotate away from the
loudspeaker and clamp to the ceiling finish
Transformer: 70/100 volt transformer included.
OPTIONAL ACCESSORIES:
Mud ring: For gypsum ceiling installations prior to the
loudspeaker
Ceiling Plate: For secure installations prior to the ceiling
finish. Also includes a termination box with conduit
knockouts
Product Dimensions
11:01 am
Page 2
252.00
252.00
FRONT VIEW
FRONT VIEW
252.00
252.00
212.00
212.00
SIDE VIEW
SIDE VIEW
252.00
252.00
212.00
212.00
81.00
81.00
172.00
172.00
REAR VIEW
REAR VIEW
ARCHITECTURAL & ENGINEERING SPECIFICATIONS:
The loudspeaker shall consist of a two way system with a
4" low frequency driver, 1" dome tweeter and internal
crossover installed in a ported plastic grill with a rear back
box and 'C' clamp and terminal strip connection.
The loudspeaker shall have selectable 4 and 16 ohm
impedance, as well as an integral transformer rated at 30-
15-7.5-3.75 watt taps @ 70volts and 15-7.5-3.75-1.875
watt taps @100volts.
The loudspeaker shall have a color matched grill cloth to
hide the transducers and switches.
The loudspeaker shall have the following performance
specifications:
Power, 25 watts continuous
Sensitivity, 84 dB (1 watt, 1 meter, Hz-kHz).
Usable frequency response from 55Hz to 20kHz (-10 dB);
Coverage pattern of (nominal) 110*90
268.35
268.35
277.49
277.49
30
30
A
A
Õ 217
Õ 217
Õ 257
Õ 257
C Ring Mounting
SECTION A-A
SCALE 1.000
30.00
30.00
30
30
38.00
13.50
90
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