Williams Sound WIR SYS 7522 manual Bid Specs, WIR TX75/b

Mid-range Infrared System

Bid Specs

WIR TX75/b

The Williams Sound WIR TX75 Infrared Transmitter shall consist of an all in one modulator and emitter operating on 2.3MHz and/ or 2.8MHz. The WIR TX75b shall operate at 3.3 MHz and/or 3.8 MHz. The carrier frequency shall use 50kHz deviation and 50 µS pre-emphasis.

The TX75 shall have a minimum coverage of 5,000 sq ft with the WIR RX22-4 receiver in single channel mode.

The TX75 shall be housed in a heavy-duty black plastic enclosure with a durable infra-red transparent front lens. It shall be convection cooled without fans. The Transmitter includes an omni-directional mounting bracket for various permanent installations.

The TX75 shall have a line level RCA input for each of the channels. Each channel shall have an audio input level LED. There shall be

a single 3.5mm microphone input with gain control. The mic input shall have a channel selector switch.

The Transmitter shall have a switch to turn off all indicator LED’s. There shall be a switch for selecting either balanced or unbalanced line level inputs.

The TX75 shall have two RJ45 outputs to supply power and baseband signal to two WIR TX75-S slave emitters via CAT-5 cable. A single CAT-5 cable supplies power, signal and digital control to the slave unit up to 100 ft from the Transmitter.

The Transmitter shall be powered by a 48VDC universal power supply, 50-60Hz, 100-240 VAC input, 24W.

The TX75 shall be covered by a two-year parts and labor warranty, 90 days on accessories.

This Transmitter shall be the Williams Sound model WIR TX75.

WIR RX22-4

The receiver shall be a body-pack type with IR detector lens behind face of the unit. The unit shall have a lanyard for hands-free operation. The receiver shall have a rotary-type volume control. The receiver shall operate for 60 hours with two AA alkaline batteries and for 30 hours per charge with NiMH AA batteries. The receiver shall be charged without battery removal via charger contacts in the case. A drop-in charger accessory shall recharge the batteries in 16 hours when used with CHG 3512 charger. The receiver shall be housed in an impact resistant plastic case with a hinged battery door that does not separate from the receiver. The receiver shall receive 2.3 MHz, 2.8 MHz, 3.3 MHz or 3.8 MHz modulated IR signals with 50 µS de-emphasis. The receiver shall have a

3.5mm stereo phone jack and accommodate low-impedance mono or stereo earphones and headphones. The receiver shall accommodate neckloop telecoil couplers. The receivers shall provide 125 dB SSPL90 output with HED 021 headphone and 110 dB SSPL90 with EAR 013 earbud-type earphone.

The system electrical frequency response shall be 25 Hz to 16 kHz, +1, -3 dB and the S/N ratio shall be 60 dB. The receiver shall have CE, FCC RoHS and WEEE approval. The receiver shall be covered by a five-year parts and labor warranty, excluding earphones, headphones, batteries and chargers.

The receiver shall be the Williams Sound model WIR RX22-4.

NOTE: SPECIFICATIONS SUBJECT TO CHANGE WITHOUT NOTICE!
Domestic Sales	International Sales
Williams Sound	International Sales Department
10300 Valley View Rd.	Williams Sound
Eden Prairie, MN 55344	10300 Valley View Rd.	800.843.3544 / info@williamssound.com / www.williamssound.com
Ph: 800-328-6190 / 952-943-2252	Eden Prairie, MN 55344 USA
FAX: 952-943-2174	Phone: +1 952 943 2252
Email: info@williamssound.com	Fax: +1 952 943 2174
Web: www.williamssound.com	Email: info@williamssound.com
	Web: www.williamssound.com

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