Clear-com KB-701 User Manual download pdf (Page 19)

KB-701 SPEAKER STATION

4-1

TECHNICAL

SPECIFICATIONS

KB-701 SPEAKER STATION

dBu is an absolute measurement. 0 dBu is referenced to 0.775 volts RMS

Program Line Input

Maximum Level before Clipping >= 20dBu

Input Impedance >= 5K

Speaker Output

Load Impedance >= 4

Max Output Level before 1% Distortion 20dBu ± 2dBu

Party Line Output

Off Noise < -74dBu

Output Impedance >10K

Party Line Input

Crosstalk < -60dB

Max level before Clipping >= 12dBu

Frequency Response

Program Input - Speaker Out 200 - 18KHz ± 3dB

Party Line - Speaker Out 200 - 18KHz ± 3dB

Max Distortion

Program Input - Speaker Out <= 0.5%

Party Line - Speaker Out <= 0.5%

Noise

Program Input - Speaker Out < -60dBu

Party Line - Speaker Out < -50dBu

Max Gain

Program Input - Speaker Out >= 24dB

Party Line - Speaker Out >= 40dB

Power

Input Voltage Range 20-30 VDC

Input Current (Idle) <= 90mA

Input Current (Max) <=110mA

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Clear-com KB-701 User Manual Page 19