Specifications
Technology Upgrade Audio Equipment 28 5450-5
1224_01
4. Speaker shall be fully enclosed with a screen-grill and shall be white in color.
5. Each speaker shall be equipped with a mount and hardware that provides for its
installation to the building structure. Mount shall be QSC #AD-ID8-White or equal
6. Speaker shall be QSC #AD-S82H-white or equal.
B. Open Ceiling suspended speaker
1. Open Ceiling speakers shall be equipped for excellent voice and music reproduction.
Shall attach to building structure or performance lighting grid.
2. Speak shall consist of:
a. 2-way woofer and tweeter, within environment-resistant housings
b. Each unit shall include a stamped, powder coated aluminum grille and
removable C-shaped mounting bracket.
c. All hardware inserts shall be brass and threaded 1⁄4\"-20.
d. Shall be equipped with a 8\" (133mm) HYCONE™ treated woofer and a 1\" exit
compression type tweeter.
e. Dividing network crossover frequency shall be 2.5 kHz. The dividing network
shall include protection circuits for the high-frequency component.
f. Each unit shall include an internally mounted 60 watt 70.7/100V line matching
transformer for use in distributed sound applications wattage taps and be
screwdriver selectable via a sealed switch located near the input section.
Wattage taps shall be 0.94, 1.9, 3.7, 7.5, 15, 30, 60 @ 70.7V plus transformer
bypass setting for direct coupled 8-ohm operation.
g. The loudspeaker system shall meet the following performance criteria:
A) Power handling, 150 Watts RMS;
B) Frequency response, 65Hz – 20kHz (±3dB);
C) Sensitivity, 92dB SPL at one watt,
D) 100Hz to 10kHz measured at a distance of one meter on axis.
E) Input connectors shall include a two-pole barrier strip capable of
accepting up to two #14AWG cable.
F) A tongue-in-groove cover with rubber wire exit grommet shall be
provided to protect the input connectors.
3. Speaker shall be Atlas Sound #SM82T-B or equal
2.09 RACK
A. Floor Mounted communications cabinet shall be equipped with:
1. Black, powder coat finish.
2. Two sets of 19” mounting rails
3. Rolling casters for wheels.
4. Solid top panel, smoked Plexiglas front door with a lockable door.
5. Vented rear door
6. Rack mounted fan tray with three fans
7. Power strip with on/off switch, rack mounted
8. Communications cabinet shall be Great Lakes Cabinets # GL480E-2432S or equal
a. Equip this rack with wheel casters rather than adjustable feet.
B. Rack Mount drawer:
1. Drawer shall be mounted in standard 19 inch mounting rails.
2. Drawer shall be made of steel and shall be black in color.
3. Rack-mount drawer shall be Lowell #UDEL-314.
C. Where required, provide a balancing transformer for Ipod connections. Transformer shall be
RDL #TX-10B or equal.
PART 3 - EXECUTION
3.01 EXAMINATION