So u n d P lu s ® Infrared Receiver, Model WIR RX12-4
Description:
The RX12-4 is a four-channel infrared receiver, com patible with transm itters operating on the 2.3-3.8 MHz
frequency bandwidth. The sleek, com fortable design features a convenient rotary channel selector and an
easy-to-use on/off/volum e control. The RX12-4 can be used with m ono or stereo headphones and earphones, or
a neckloop. Dual infrared detectors provide m axim um sensitivity and operating range.
Applications:
• Sim ultaneous Interpretation • Audio Description • Conferences • Multi-Media Room s
• Boardroom s • Courtroom s • Schools • Universities • Cinem as • Churches
WIR RX12-4 Receiver:
Receiver Style:
Size:
Body-Pack, dual-lens detector, lanyard
3-5/8" L x 2-3/8" W x 7/8" H (9.2 cm x 6 cm x 2.2 cm)
4.5 oz (127 g) with batteries
2
3
Volum e
On
1
EAR
4
Weight:
Color and Material:
Lanyard:
Gray, shatter-proof polyallomer
O FF
Cha nne l
3 ft (.91 m), allows receiver to be warn around the neck
-10° C to +50° C
Operating Tem perature:
Battery Type:
Battery Life:
2 x AA, alkaline (BAT 001) or NiMH (BAT 026)
Alkaline: 60 hours, NiMH: 30 hours/charge
25 mA, nominal
RX12-4 Top View
Battery Drain:
Charging Contacts:
Carrier Frequency:
For use only with CHG 200 and CHG 1600 Chargers
Channel 1: 2.3 MHz, Channel 2: 2.8 MHz
Channel 3: 3.3 MHz, Channel 4: 3.8 MHz
50 uS
De-Em phasis:
FM Deviation:
±50 kHz
Signal-to-Noise Ratio:
Squelch:
60dB min.
Receiver squelches (mutes) at 40 dB S/N ratio
25 Hz to 16 KHz, +1 dB, -3 dB, electrical response
Less than 1%, electrical response
Frequency Response:
Total Harm onic Distortion:
Controls:
Willia m s Sound
ON/OFF/VOLUME: combination thumbwheel knob
Channel Selector: four-position rotary switch
Red LED “ON” indicator, flashes to indicate Low battery
3.5 mm stereo mini phone jack
IR
4 cha nne l
Indicators:
Audio Output Jacks:
Accepts 3.5 mm mono or stereo phone plug
Audio Output Power:
Acoustic Output:
Sensitivity:
15 mW max at 32 Ω
125 dB SSPL90 with HED 002; 110 dB SSPL90 w/ EAR 013
Better than 1 nW/cm2 for 40 dB signal-to-noise ratio
CE, FCC, Industry Canada, AS
Approvals:
Warranty:
5 years on receiver, 90 days on accessories
Mono or stereo, 8-32 ohms, 3.5 mm mini phone plug,
HED 002, HED 021, EAR 013, EAR 014, EAR 022
Com patible Headphones/ Earphones:
RX12-4 Front View
NOTE: SPECIFICATIONS SUBJ ECTTO CHANGE WITHOUT NOTICE!
©2005, William s Sound Corp. MCAT 019A
Williams Sound ®
Helping People Hear
1
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