Clear-Com KB-702 - Technical Specifications

User Guide| KB-702/KB-702GM/KB-802-GM-IM
5 Technical Specifications
5.1 KB-702/KB-702GM/KB-802GM-IM Two-Channel
Speaker Stations
dBu is an absolute measurement. 0 dBu is referenced to 0.775 volts RMS
5.1.1 Panel Microphone Input (KB-702GM/KB-802GM-IM)
Input Type: Electret
Input Impedance: >=2KΩ
Mic Limiter Threshold: -2dBu ±3dB
Mic Limiter Range: >= 15dB
5.1.2 Headset Microphone Input
Input Type: Dynamic
Input Impedance: >= 1KΩ
Mic Limiter Threshold: -2dBu ± 3dB
Mic Limiter Range: >= 15dB
5.1.3 Program Line Input
Maximum Level before Clipping: >= 20dBu
Input Impedance: >= 5KΩ
5.1.4 Headset Output
Load Impedance: >= 8Ω
Output Impedance: <= 25Ω
Output Limiter Threshold: +5dBu ± 3dB
Maximum Output Level before Distortion: >= 17dBu
5.1.5 Speaker Output
Load Impedance: >= 4Ω
Max Output Level before 1% Distortion: 20dBu ± 2dBu
5.1.6 Party Line Output
Off Noise: < -74dBu
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