KB-701

Technical Specifications

Program Line Input
Maximum Level before Clipping: >= 20dBu
Input Impedance: >= 5KΩ

Speaker Output
Load Impedance: >= 4Ω
Max Output Level before 1% Distortion: 20dBu ± 2dBu

Party-line Output
Off Noise: < -74dBu
Output Impedance: >10KΩ

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

Internal Connectors and Jumpers
Intercom: Line Five terminal connector
Program Input: Three terminal connector
Option Switches: Three DIP switches

Front Panel Controls & Indicators
(1) Program level control
(1) Intercom level control
(1) Talk button
(1) Call button
(1) Integral microphone

Environmental
32 – 122o F (0 – 50o C)

Dimensions
8.5 in. W x 4.5 in. H x 1.75 in. D
(210 mm x 114 mm x 44 mm)

Weight
1.04 lbs. (0.47 Kg)

Product Spares List

KB-701