SoundPlus
®
Infrared Listening System, Model 125
©2005, Williams Sound Corp. CAT 050G
Williams Sound
®
Helping People Hear
1
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
R
+
-
DC12V
L
MIC
ST
L
R
TX295 Rear
WIR RX3 Receiver:
RX3 Top
On/Off
Indicator
Light
Volume/
On-Off
Control
Earphone/
Charging
Jack
EAR/CHG
Volume
1
Williams
Sound
Volume
Control
& Switch
Earphone
Jack
Infrared
“Eye”
