TW-47

Technical Specifications

Radio to Party-line

Line Chracteristics
Frequency Response: 200-20KHz ± 3dB
Max Gain: >=-5dBu
Distortion: <=0.3%
Noise: <=-70dBu
Max Level Before Clipping: >=+17dBu
Green LED Threshold: -22dBu ± 3dB
Red LED Threshold: -16dBu ± 3dB
Input Impedance: 400Ω ± 100Ω

Party-line to Radio

Line Characteristics
Frequency Response: 200-8KHz ± 3dB
Max Gain J7 ON, J8 ON: -12dBu ± 3dB
Max Gain J7 OFF, J8 ON: +2dBu ± 3dB
Max Gain J7 OFF, J8 OFF: +27dBu ± 3dB
Distortion: <=0.3%
Noise: <=-50dBu
Max Level Before Clipping: >=0dBu

Power Requirements
Input Voltage Range: 20-30VDC
Quiescent Current: <=40mA
Current with Audio: <=50mA
Current with Call: <=60mA

Rear Panel Connectors
(1) XLR3F
(1) DB-9F

Front Panel Controls and Indicators
Transmit: (1) Red LED
Audio Level Hi: (1) Red LED
Audio Level Norm: (1) Green LED
Receive Level Adjust: (1) Control
Transmit Level Adjust: (1) Control

Dimensions
1.63 in. H x 4.75 in. W x 5.15 in. D
(41.4 mm x 121 mm x 131mm)

Weight
1 lb. 4 oz. (0.6 kg)

Product Spares List

Product Spare Part	Spare Part Description
810502Z	TW-47 MANUAL