HB-704

HB-704

  • 4-Channel Remote Headset Station
  • 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 or TW daughter boards for flexibility
  • Mountable into a standard US two-gang outlet box

Item Part Number:
  • HB-704

Technical Specifications

Headset Microphone Input
Input Type :Dynamic Input Impedance: >= 1K Mic Limiter Threshold: -2dBu ± 3dB Mic Limiter Range: >= 15dB
Program Line Input
Input 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%
Noise
Headset Mic - Partyline: < -70dBu
Max Gain
Headset Mic - Partyline: 41dB ± 2dB Partyline - 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
Environmental
32 - 122°F (0 - 50°C)
Dimensions
4.5 x 4.6 1.75 in (HxWxD) (114 x 117 x 44 mm)
Weight
0.46 lb (0.21 kg)

Associated Products

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