The HB-702 is a two-channel-selectable, full-duplex headset station, able to be mounted into a wall or other surface. This headset station is ideal for installation in theatrical, performance, broadcast, and industrial facilities - wherever a multi-channel, full-duplex headset communications panel is desired. The unit mounts in a standard U.S. two-gang outlet box. This station offers excellent speech intelligibility even in high noise environments. Microprocessor-controlled logic plus a set of internal and external controls allow the features of this station to be tailored to the needs of the user. Electronic switching for the talk button, blue-color LED (on) or amber-color (off), permits momentary or latching operation. A Remote Mic Kill (RMK) signal on the intercom line will turn off the talk function if it is accidentally left on.
Clear-Com HB-702 Features
- Momentary/Latching Talk switch with LED
- Microprocessor controlled logic and switching
- Visual call signaling
- Headset connector with volume control and sidetone adjust
- Optional 4-wire daughter board for flexibility
- Mountable into a standard US two-gang outlet box
- HB-702 Encore 2-Channel Remote Headset Station1
- Headset Microphone Input
- Input Type: Dynamic
- Input Impedance: >= 1K
- Mic Limiter Threshold: -2dBu ± 3dB
- Mic Limiter Range: >= 15dB
- Program Line InputInput Impedance: >= 5K
- Headset Output
- Load Impedance: >= 8
- Output Impedance: <= 25
- Output Limiter Threshold: +5dBu ± 3dB
- Maximum Output Level before Distortion: >= 17dBu
- Partyline Output
- Off Noise: < -74dBu
- Output Impedance: >10K
- Partyline Input
- Crosstalk: < -60dB
- Max level before Clipping: >= 12dBu
- Frequency Response
- Headset Mic – Partyline: 300 – 15kHz ± 3dB
- Partyline – Headset Out: 300 – 15kHz ± 3dB
- Max Distortion
- Headset Mic – Partyline: <= 0.5%
- Partyline – Headset Out: <= 0.2%
- NoiseHeadset Mic – Partyline: < -70dBu
- Max Gain
- Headset Mic – Partyline: 41dB ± 2dB
- Partyline – Headset Out: >= 34dB
- Power
- Input Voltage Range: 20-30V DC
- 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
- Environmental32 – 122°F (0 – 50°C)
- Dimensions (HxWxD)4.5x4.6x1.75" (114x117x44mm)
- Weight0.46lbs (0.21kg)
