Mid-range Infrared System

WIR RX22-4 Receiver

RX22-4 TOP

CHANNEL

EARPHONE SELECTOR

JACK

 

OFF

"ON"

ON/OFF

INDICATOR

VOLUME SWITCH

RX22-4 FRONT

Receiver Style:

Body-Pack, dual-lens detector, lanyard

 

 

Size:

4.1” L x 2.85” W x 1.2” H (104.1 mm x 72.4 mm x 30.4 mm)

 

 

Weight:

4.5 oz (127 g) with batteries

 

 

Color and Material:

Black

 

 

Lanyard:

3 ft (.91 m), allows receiver to be worn around the neck

 

 

Operating Temperature:

-10° C to +50° C

 

 

Battery Type:

2 x AA, alkaline (BAT 001) or NiMH (BAT 026)

 

 

Battery Life:

Alkaline: 60 hours, NiMH: 30 hours/charge

 

 

Battery Drain:

25 mA, nominal

 

 

Charging Contacts:

For use only with CHG 3512

 

 

Carrier Frequency:

Channel 1: 2.3 MHz, Channel 2: 2.8 MHz

 

 

 

Channel 3: 3.3 MHz, Channel 4: 3.8 MHz

 

 

De-Emphasis:

50 uS

 

 

FM Deviation:

±50 kHz

 

 

Signal-to-Noise Ratio:

60dB min.

 

 

Squelch:

Receiver squelches (mutes) at 40 dB S/N ratio

 

 

Frequency Response:

25 Hz to 16 KHz, +1 dB, -3 dB, electrical response

 

 

Total Harmonic Distortion:

Less than 1%, electrical response

 

 

Controls:

ON/OFF/VOLUME: combination thumbwheel knob

 

 

 

Channel Selector: four-position rotary switch

 

 

Indicators:

Red LED “ON” indicator, flashes to indicate Low battery

 

 

Audio Output Jacks:

3.5 mm stereo mini phone jack Accepts 3.5 mm mono or stereo phone plug

 

 

Audio Output Power:

15 mW max at 32 Ω

 

 

Acoustic Output:

125 dB SSPL90 with HED 021; 110 dB SSPL90 w/ EAR 013

 

 

Sensitivity:

Better than 1 nW/cm2 for 40 dB signal-to-noise ratio

 

 

Approvals:

CE, FCC, RoHS, WEEE

 

 

Warranty:

5 years on receiver, 90 days on accessories

 

 

Compatible Headphones/

Mono or stereo, 8-32 ohms, 3.5 mm mini phone plug, HED 021, HED 026,

Earphones:

EAR 013, EAR 014, EAR 022, NKL 001

 

 

A137

© 2012, Williams Sound, LLC MCAT 155C

Page 3
Image 3
Williams Sound WIR SYS 7522 manual WIR RX22-4 Receiver, RX22-4 Front