TW-12C

Technical Specifications

Clear-Com Format

Line Characteristics
Max Level Before Clipping : >=3dBu
Impedance: >=10KΩ

Signalling
Receive: <=4 VDC
Send: >=11VDC

RTS Format

Line Characteristics
Max Level Before Clipping : >=5dBu
Impedance: >=10KΩ

Signalling Tone
Send frequency: 20kHz ±100Hz
Receive frequency: 20kHz ±500Hz
Send level: >=-6dBu
Receive level: <=-25dBu

General Characteristics

Frequency Response
Party-line - Party-line: 200-8KHz

Distortion
Party-line - Party-line: <=0.2%

Max Gain
Clear-Com - RTS: >=9dB
Clear-Com - Clear-Com: >=4dB
RTS - Clear-Com: >=-1dB
RTS - RTS: >=4dB

Min Gain
Clear-Com - RTS: <=1dB
Clear-Com - Clear-Com: <=-4dB
RTS - Clear-Com: <=-9dB

Power Requirements
Input Voltage Range: 20-30VDC
Input Current (average): <=50mA

Rear Panel Connectors
Rear panel: (2) XLR3M (1 per channel)
(2) XLR3F (1 per channel)

Front Panel Connectors
Headset: (1) XLR4M
TS1 Earphone: (1) 3.5mm Jack Socket

Front Panel Controls and Indicators
Power: (2) Green LED (1 per channel)
Null Test Button : (2) Buttons (1 per channel)
Gain Level Adjust: (2) Controls (1 per channel)
Null Adjust: (6) Controls (3 per channel)
Connection Type Switch: (2) Switches (1 per channel)
Pin Connection Select Switch: (2) Switches (1 per channel)

Dimensions
1.75in. H x 19in. W x 7.25in. D
(45 x 483 x 185 mm)

Weight
5.63 lbs. (2.56 Kg)

Product Spares List

Product Spare Part	Spare Part Description
810507Z	TW-12C MANUAL