Williams Sound SoundPlus Infrared Listening System 125 User Manual

Soundplus, Infrared listening system, model 125, Williams sound

SoundPlus

Infrared Listening System, Model 125

Williams Sound

Helping People Hear

Description:
The WIR 125 System reduces background noise by delivering audio directly from the sound source to the
listeners ears. The stereo TX295 transmitter conveniently plugs directly into the TV, VCR or sound system.

The RX3 receiver features an earphone jack which allows the user to plug in a variety of earphones, headphones
or other listening accessories of their choice.

Applications:
• Television Listening • Stereo Listening • Small Group Listening • Language Interpretation • Offices

Size, Weight, Color:

6.25" L x 3.25" W x 1.25" H (15.9 cm x 8.3 cm x 3.2 cm), 5.1 oz (140 g), Gray

Power Input:

12 VDC (center is positive) on DC connector, 200 mA Class II wall transformer

TFP 024 Power Supply: North America: 120 VAC, 60 Hz, UL/CSA

TFP 032 Power Supply, 2 pin Euro mains plug, 230 VAC, 50-60 Hz, CE

TFP 033 Power Supply, 3 pin UK mains plug, 230 VAC, 50-60 Hz, CE

Subcarrier Frequency:

95 kHz or stereo or 250 kHz

Auto Power On/Off:

Transmitter shuts off infrared after 1.5 minutes when audio signal is removed. Battery charging functions remain on full time.

Microphone Input:

3.5 mm jack for MIC 084 Electret TV Microphone, 1.5 k

Ω

Line Inputs:

2 RCA jacks for mono or stereo line-level sources, 200 mV min. to 10 V rms max. input level, 5.1 k

Ω

Automatic Level Control:

35 dB compression range

Infrared LEDs, Pattern:

8 IR LEDs, 45 degree cone-shaped coverage pattern to 6 dB intensity, 30 ft (9 m) line of sight

Charging Ports:

Charges one WIR RX295 Receiver plus two additional BAT AP97A NiMH battery packs

Warranty:

5 years*

WIR TX295 Transmitter:

(TX295 Front and Back Panels)

Size and Weight:

3.62" L x 2.36" W x 0.86" H (9.2 cm x 6 cm x 2.2 cm),
3.2 oz (90 g) with battery

Material and Color:

Polypropylene, Gray

Battery Type:

9 Volt, Eveready 216, Eveready 522,
or BAT 003 NiMH 7-cell rechargeable

Battery Life:

15 hrs with Eveready 216, 35 hrs with Eveready 522,
6 hrs/charge with BAT 003

Charging Jack:

Earphone jack is used for charging

Modulation Frequency:

95 kHz FM, 50 µS de-emphasis

Frequency Response:

200 Hz to 8 kHz, ± 4 dB

Signal to Noise Ratio:

60 dB with WIR TX95, 70 dB with WIR TX10

Controls:

Combination volume/On-Off wheel

Audio Output:

3.5 mm mono mini phone jack, 250 mW maximum into 16

Ω

Acoustic Output:

127 dB MAX SSPL90, 123 dB HF AVG SSPL90 w/EAR 013, 2 cc coupler

Compatibility:

Compatible with most wide-band 95 kHz IR Transmitters

Warranty:

5 years*

On Indicator:

Red LED

*90-day warranty on accessories.

NOTE: SPECIFICATIONS SUBJECT TO CHANGE WITHOUT NOTICE!

TX295 Front

DC12V

MIC

TX295 Rear

WIR RX3 Receiver:

RX3 Top

On/Off
Indicator
Light

Volume/
On-Off
Control

Earphone/

Charging

Jack

EAR/CHG

Volume

Williams
Sound

Volume
Control
& Switch

Earphone
Jack

Infrared
“Eye”