Clear-Com SB-704 - Manual (Page 36)

S B - 7 0 4 M A I N S T A T I O N 4 - 2
Output Impedance >= 200 Ω
Load Impedance >= 600 Ω
IFB/Hot Mic
Type Unbalanced
Output Impedance 150 Ω
Load Impedance >= 600 Ω
Frequency Response
Panel Mic - Party Line 600 - 10KHz ± 3dB
Headset Mic - Party Line 200 - 12KHz ± 3dB
Headset Mic - Line Out 200 - 12KHz ± 3dB
Program Input - Party Line 100 - 17KHz ± 3dB
Program Input - Headset Out 200 - 10KHz ± 3dB
Program Input - Speaker Out 300 - 10KHz ± 3dB
Party Line - Headset Out 200 - 10KHz ± 3dB
Party Line - Speaker Out 300 - 10KHz ± 3dB
Max Distortion
Panel Mic - Party Line <= 0.5%
Headset Mic - Party Line <= 0.5%
Headset Mic - Line Out <= 0.5%
Program Input - Party Line <= 0.2%
Program Input - Headset Out <= 0.2%
Program Input - Speaker Out <= 0.5%
Party Line - Headset Out <= 0.2%
Party Line - Speaker Out <= 0.5%
Noise
Panel Mic - Party Line < -65dBu
Headset Mic - Party Line < -70dBu
Headset Mic - Line Out < -55dBu
Program Input - Party Line < -85dBu
Program Input - Headset Out < -60dBu
Program Input - Speaker Out < -60dBu
Party Line - Headset Out < -50dBu
Party Line - Speaker Out < -50dBu
Max Gain
Panel Mic - Party Line >= 37dB
Headset Mic - Party Line 41dB ± 2dB
Headset Mic - Hot Mic Out 55dB ± 3dB
Headset Mic - Announce Out 55dB ± 3dB
Program Input - Party Line >= -16dB
Program Input - Headset Out >= 18dB
Program Input - Speaker Out >= 24dB
Party Line - Headset Out >= 34dB
Party Line - Speaker Out >= 40dB