Clear-Com HB-702 2 Channel Wall Console Mounted Headset Station

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

HB-702 is a selectable two-channel wall or console-mounted headset station. Microprocessor-controlled logic and switching, with momentary/latching talk button. Visual call signaling.

Key Features

• Selectable two- or four-channel, full-duplex communication
• Microprocessor controlled logic and switching
• Momentary/latching talk switch with LED
• Visual call signaling with bright LED indicator
• Headset connector with volume control and sidetone adjust
• Use with optional TW or 4-wire circuit boards
• Easy installation and connection

Technical Specifications

Headset Microphone Input
Input Type
Dynamic
Input Impedance
>= 1K OHMS
Mic Limiter Threshold
-2dBu ± 3dB
Mic Limiter Range
>= 15dB
Program Line Input
Input Impedance
>= 5K OHMS
Headset Output
Load Impedance
>= 8 OHMS
Output Impedance
<= 25 OHMS
Output Limiter Threshold
+5dBu ± 3dB
Maximum Output Level before Distortion
>= 17dBu
Party-line Output
Off Noise
< -74dBu
Output Impedance
>10K OHMS
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 - 122F (0 - 50C)
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)