Product Overview
A surface mounted two-channel-selectable, full-duplex headset station, the Clear-Com HB-702 is designed for applications where speech intelligibility is a priority even in noisy environments. Equipped with momentary and latching LED talk switch, call tracking LED, Volume control and sidetone adjust that sets the level of the users voice in the headset, the HB-702 is versatile enough to fit comfortably into a wide variety of communication situations. There's even a remote mic kill switch for times when the talk function is accidentally left on.
Clear-Com HB-702 Applications:
- Theatre / performance venues
- Broadcast facilities
- Industrial facilities
Clear-Com HB-702 Features:
- Microprocessor-controlled logic allow the features to be tailored to the user
- Momentary/latching talk switch with LED
- Remote Mic Kill (RMK) signal on the intercom line will turn off the talk function
- A red LED tracks the incoming call signal, which can be used for visual cueing
- Call button allows user to place a call signal on the selected intercom line
Clear-Com HB-702 Specifications:
- Headset Microphone Input
- Input Type : Dynamic
- Input Impedance: >=1K ohm
- Mic Limiter Threshold: -2dBu ± 3dB
- Mic Limiter Range: >= 15dB
- Program Line Input
- Input Impedance: >= 5K ohms < /UL>
- Headset Output
- Load Impedance: >= 8 ohms
- Output Impedance: < =25 ohms
- Output Limiter Threshold: +5dBu ± 3dB
- Maximum Output Level before Distortion: >= 17dBu < /UL>
- Party Line Output
- Off Noise: < -74dBu
- Output Impedance: >10K ohms
- Party Line Input :
- Crosstalk: < -60dB
- Max level before Clipping: >=12dBu < /UL>
- 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 < /UL>
- 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) Talkbutton
- (1) Call button
- (1) Channel select switch
- (1) Volume control
- Environmental: 32° - 122°F
- Dimensions (WxHxD): 4.625" x 4.5" x 1.75"
- Weight: 0.46 lbs
