Clear-Com KB-701
MPN #KB-701
1-Channel Flush-Mount Push-To-Talk Speaker W/Built-In Microphone Station
The KB-701 remote speaker station connects to a single channel of party-line intercom and operates in half-duplex mode. It features both an integral speaker and a flush mount electrets microphone with mic limiter and a push-to-talk button.
Features
Half-duplex, push-to-talk functionalityFour modes of operation that are internally programmableMicroprocessor controlled logic and switchingBalanced local program input with separate level controlVisual and audible call signalingOptional 4-wire daughter board for flexibilityWall or console mountable, or optional V-Box for portable or desktop useBuilt-in speaker
Specifications
Program Line Input
Maximum Level before Clipping: >= 20dBuInput Impedance: >= 5K
Speaker Output
Load Impedance: >= 4Max Output Level before 1% Distortion: 20dBu ± 2dBu
Party-line Output
Off Noise: < -74dBuOutput Impedance: >10K
Party-line Input
Crosstalk: < -60dBMax level before Clipping: >= 12dBu
Frequency Response
Program Input - Speaker Out: 200 - 18KHz ± 3dBParty-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: < -60dBuParty-line - Speaker Out: < -50dBu
Max Gain
Program Input - Speaker Out: >= 24dBParty-line - Speaker Out: >= 40dB
Power
Input Voltage Range: 20-30 VDCInput Current (Idle): <= 90mAInput Current (Max): <=110mA
Internal Connectors and Jumpers
Intercom: Line Five terminal connectorProgram Input: Three terminal connectorOption 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)
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