Clear-Com KB-702GM - Manual (Page 25)

K B - 7 0 2 / K B - 7 0 2 G M T W O - C H A N N E L S P E A K E R S T A - 4 - 1
TECHNICAL
SPECIFICATIONS
KB-702/KB-702GM TWO-CHANNEL
SPEAKER STATIONS
dBu is an absolute measurement. 0 dBu is referenced to 0.775 volts RMS
Panel Microphone Input (KB-702GM)
Input Type Electret
Input Impedance >=2K Ω
Mic Limiter Threshold -2dBu ±3dB
Mic Limiter Range >= 15dB
Headset Microphone Input
Input Type Dynamic
Input Impedance >= 1K Ω
Mic Limiter Threshold -2dBu ± 3dB
Mic Limiter Range >= 15dB
Program Line Input
Maximum Level before Clipping >= 20dBu
Input Impedance >= 5K Ω
Headset Output
Load Impedance >= 8 Ω
Output Impedance <= 25 Ω
Output Limiter Threshold +5dBu ± 3dB
Maximum Output Level before Distortion >= 17dBu
Speaker Output
Load Impedance >= 4 Ω
Max Output Level before 1% Distortion 20dBu ± 2dBu
Party Line Output
Off Noise < -74dBu
Output Impedance >10K Ω
Party Line Input
Crosstalk < -60dB
Max level before Clipping >= 12dBu
Sidetone Null Capability (KB-702GM only) > 25dB