Clear-Com KB-702 Headset/Speaker Station

Clear-Com KB-702 2-Channel Flush Mount Headset/Speaker Station

Product Code: KB702

2-Channel Select Flush Mount Headset/Speaker Station Mounts in V-Box or Accessory Enclosure (8.25" X 4.5")

The KB-702 remote speaker station permits the user to select between two channels of party-line communications, with the ability to talk and/or listen on the selected channel. The user can listen via the integrated speaker, or may use a headset or telephone-style handset - and can talk via a headset mic, a telephone handset, or a push-to-talk microphone.

Technical Details of KB-702

Headset Microphone Input	Input Type: Dynamic Input Impedance: >= 1KΩ Mic Limiter Threshold: -2dBu ± 3dB Mic Limiter Range: >= 15dB
Program Line Input	Maximum Level before Clipping: >= 20dBu Input Impedance: >= 5KΩ
Headset Output	Load Impedance: >= 8Ω Output Impedance: <= 25Ω Output Limiter Threshold: +5dBu ± 3dB Maximum Output Level before Distortion: >= 17dBu
Speaker Output	Load Impedance: >= 4Ω Max Output Level before 1% Distortion: 20dBu ± 2dBu
Party-line Output	Off Noise: < -74dBu Output Impedance: >10KΩ
Party-line Input	Crosstalk: < -60dB Max level before Clipping : >= 12dBu
Frequency Response	Headset Mic - Party-line: 300 - 15KHz ± 3dB Program Input - Headset Out: 200 - 18KHz ± 3dB Program Input - Speaker Out: 200 - 18KHz ± 3dB Party-line - Headset Out: 200 - 18KHz ± 3dB Party-line - Speaker Out: 200 - 18KHz ± 3dB
Max Distortion	Headset Mic - Party-line: <= 0.5% Program Input - Headset Out: <= 0.2% Program Input - Speaker Out: <= 0.5% Party-line - Headset Out: <= 0.2% Party-line - Speaker Out: <= 0.5%
Noise	Headset Mic - Party-line: < -70dBu Program Input - Headset Out: < -60dBu Program Input - Speaker Out: < -60dBu Party-line - Headset Out: < -50dBu Party-line - Speaker Out: < -50dBu
Max Gain	Headset Mic - Party-line: 41dB ± 2dB Program Input - Headset Out: >= 18dB Program Input - Speaker Out: >= 24dB Party-line - Headset Out: >= 34dB Party-line - Speaker Out: >= 40dB
Power	Input Voltage Range: 20-30 VDC Input Current (Idle): <= 90mA Input Current (Max): <=110mA
Internal Adjustments and Connections	Intercom: Line Five terminal connector Program Input: Three terminal connector Option Switches: Three DIP switches Call Signal Jumper3: Three sets of options jumpers Call Alert Tone Level Control: Level adjustment control
Front Panel Connectors	Panel Mic (KB-702GM only): (1) 1/4 in. (0.64 cm) panel mounting jack Headset: (1) XLR-4M
Front Panel Controls & Indicators	(1) Program monitor level control (1) Sidetone null control (1) Talk button (1) Call button (1) Speaker ON-OFF switch (1) Channel select switch (1) Speaker volume control
Environmental	32 - 122˚F (0 - 50˚C)
Dimensions	8.25 in. W x 4.5 in. H x 1.75 in. D (210 mm x 114 mm x 44 mm)
Weight	0.99 lbs. (0.45 Kg)