Clear-Com HB-702

The HB-702 is a two-channel-selectable, full-duplex headset station, able to be mounted into a wall or other surface.

Optional 4-wire and TW daughter boards.

• 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

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

PARTY-LINE OUTPUT:

• Off Noise: < -74dBu

• Output Impedance: >10K

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)