RS-603

Technical Specifications

General
Amplifier Design: I.C. amplifiers, including solid-state digital switching and signaling circuits. Current-limited and short-circuit protected.
Signal to Noise: >75 dB
Bridging Impedance: >15k
Line Level: -14 dB, +5 dB max.
Sidetone Adjust: >35 dB
EMI and RFI rejection: >60 dB

Microphone Pre-Amplifier
Headset Mic Impedance: 200 Ω
Gain, mic to line: 41 dB (dynamic)
Limiter Range: 26 dB
Frequency Response: 200 Hz – 12 kHz contoured for intelligibility

Headphone Amplifier
Load Impedance: 50 - 2,000 Ω
Output Level: +17 dBv before clipping
Distortion: <0.1% THD @ 1 kHz
Gain, line to output: +34 dB
Frequency Response: 100 Hz - 18 kHz, ±2dB

Program Input
Program input: Balanced, transformer isolated
Input sensitivity: –20 dBv to +10 dBv
Frequency response: 50 Hz – 18 Hz, ± 2 dB

Connectors
Intercom Line: (2) 3-pin XLR–M–F
Headset:
RS-603: 4-pin XLR–M
RS-603R: 4-pin XLR–F

Power Requirements
DC Voltage Range: 12-32 volts

Environmental
0˚C - 70˚C (32˚F - 158˚F)
0 - 90% relative humidity

Dimensions
4.58 in. H x 3.73 in. W x 1.34 in. D
(116 x 95 x 34 mm)

Weight
7.8 oz. (0.22 kg)