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Infrared System • Model WIR SYS 90 PRO
SoundPlus
®
Infrared System • Model WIR SYS 90 PRO
D
D
NOTE: SPECIFICATIONS SUBJECT TO CHANGE WITHOUT NOTICE!
Bid Specs
WIR TX90 Transmitter
The Williams Sound Corp. WIR TX90 transmitter shall consist of an all-in-one modulator and emitter operating on switchable
carrier frequencies of 2.3/2.8 MHz or 3.3/3.8 MHz. The carrier frequency shall use 50 kHz deviation and 50µs pre-emphasis.
The transmitter shall have a range of 28,000 ft
2
(2,600 m
2
) in single channel mode when using the RX22-4 receiver. The trans-
mitter shall be contained in a metal housing with a durable plastic lens. The transmitter shall be convection cooled without
fans. The transmitter shall include an omni-directional mounting bracket for permanent installations. Additional brackets
shall be available for different mounting options.
The transmitter shall provide two channels of selectable carrier frequencies: CH A 2.3/2.8 MHz or CH B 3.3/3.8 MHz. Two trans-
mitters used in tandem shall provide up 4 simultaneous channels.
The transmitter shall have two Phoenix connectors on the back for balanced or unbalanced line input. All controls and indi-
cators shall be accessible on the bottom of the panel of the transmitter.
The transmitter shall have three application presets: Music, Hearing Assistance and Voice accessible by thumbscrew adjuster.
There shall be a 3.5mm stereo headphone jack for monitoring the processed audio before being transmitted.
Two BNC (50Ω) baseband output jacks shall be provided on the back panel for more coverage needs. The TX9 emitter panels
must be used with the TX90 transmitter via RG58 coax cable.
The transmitter shall be powered by an external 24VAC, 50-60 Hz, 35VA power supply. The power connector shall be a three
pin Molex type. Additional emitters shall require individual external power supplies.
The transmitter shall be covered by a five-year warranty on parts and labor. The transmitter shall be the Williams Sound Corp.
model WIR TX90
WIR RX16 Receiver
The receiver shall be a stetho type with an IR detector lens on the face of the unit. The receiver shall have a rotary-type vol-
ume control and the power switch shall be built into the “arms,” so that the unit will automatically shut off when not in
use. The receiver shall operate for 6 hours per charge with 1 BAT AP97A NiMH battery. The receiver shall be housed in a
grey and black ABS plastic case. The receiver shall have a 3-position switch to receive 2.3 MHz, 2.8 MHz or stereo modulated
IR signals. The receiver shall provide 112 dB SSPL90 output. The system electrical frequency response shall be 200 Hz to 8
kHz, and the signal-to-noise ratio shall be 60 dB at 10 m. The receiver shall have CE, RoHS, and WEEE approval. The receiver
shall be covered by a five-year parts and labor warranty, 90 days on the battery.
The receiver shall be the Williams Sound Corp. model WIR RX16.
CHG 516 Charger
The CHG 516 shall be a 5 unit drop-in battery charger and shall charge a maximum of 5 BAT AP97A NiMH batteries while
they are installed into the Williams Sound Corp. WIR RX16 style 3V receivers.
The charger shall be enclosed in metal and plastic measuring 12”L x 6.25”W x 1.5”H (30.48 cm x
15.875 cm x 3.81 cm). The unit shall weigh 1.04 lbs (.47 kg) without power supply, 1.6 lbs (.725 kg) shipping weight.
Each bay on the charger shall have a red LED indicating charging status. The LEDs shall be on constantly during charging.
Receivers can be left in the charger permanently without harm to the batteries.
The charger CHG 516 shall be powered by an external power supply (120 VAC input; 12 VDC, 200 mA output) via a CD bar-
rel connector.
The charger shall be the Williams Sound Corp. model CHG 516.
©2008, Williams Sound Corp. MCAT 065A
9