Clear-Com HB-704

Clear-Com HB-704

Clear-Com HB-704

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 Clear-Com HB-704 4-Channel Flush-Mount Headset Station


Clearcom HB-704
Product Code: HB704
Offer Clear-Com HB-704

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4-Channel Select Flush-Mount Headset Station (4.5" X 4.5") Mounts in Console or Standard 2-Gang Electrical Box

HB-704 is a selectable four intercom channel wall or console-mounted headset station. Microprocessor-controlled logic and switching, with momentary/latching talk button. Visual call signaling.

Optional 4-wire and TW daughter boards.

Technical Details of HB-704
Headset Microphone Input Input Type : Dynamic
Input Impedance: >= 1KΩ
Mic Limiter Threshold: -2dBu ± 3dB
Mic Limiter Range: >= 15dB
 
Program Line Input Input Impedance: >= 5KΩ
 
Headset Output Load Impedance: >= 8Ω
Output Impedance: <= 25Ω
Output Limiter Threshold: +5dBu ± 3dB
Maximum Output Level before Distortion: >= 17dBu
 
Party-line Output Off Noise: < -74dBu
Output Impedance: >10KΩ
 
Party-line Input Crosstalk: < -60dB
Max level before Clipping: >= 12dBu
 
Frequency Response Headset Mic - Party-line: 300 - 15KHz ± 3dB
Party-line - Headset Out: 300 - 15KHz ± 3dB
 
Max Distortion Headset Mic - Party-line: <= 0.5%
Party-line - Headset Out: <= 0.2%
 
Noise Headset Mic - Party-line: < -70dBu
 
Max Gain Headset Mic - Party-line: 41dB ± 2dB
Party-line - Headset Out: >= 34dB
 
Power Input Voltage Range: 20-30 VDC
Input Current (Idle): <= 50mA
Input Current (Max): <=100mA
 
Internal Adjustments and Connections Intercom Line: Seven terminal connector
Option Switches: Two DIP switches
Option Board Jumper: Two sets of options jumpers
 
Front Panel Connectors Headset: (1) XLR-4M
 
Front Panel Controls & Indicators (1) Sidetone control
(1) Talk button
(1) Call button
(1) Channel select switch
(1) Volume control
 
Environmental 32 - 122˚F (0 - 50˚C)
 
Dimensions 4.625 in. W x 4.5 in. H x 1.75 in. D
(117 mm x 114 mm x 44 mm)
 
Weight 0.46 lbs. (0.21 Kg)
 

 

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