
Description
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 integral 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.
Features- Selectable two-channel, full-duplex operation
- Microprocessor-controlled logic and switching
- Momentary/latching talk button
- Visual and audible call signaling, with bright LED indicator
- Balanced local program input with separate level control
- Internal controls for call signal tracking, mic latch disable, and other functions
- Use with headset or handset, with integral speaker for monitoring
- Optional TW and 4-wire daughter boards provided additional flexibility
- Wall or console mount, or optional V-Box for portable or desktop use
- LED buttons for talk, listen, call, announce, link, all talk, or mic on
Headset Microphone Input | Input Type: Dynamic Input Impedance:>= 1Kohm Mic Limiter Threshold: -2dBu ± 3dB Mic Limiter Range:>= 15dB |
Program Line Input | Maximum Level before Clipping:>= 20dBu Input Impedance:>= 5K ohms |
Headset Output | Load Impedance:>= 8 ohms Output Impedance: <= 25 ohms Output Limiter Threshold: +5dBu ± 3dB Maximum Output Level before Distortion:>= 17dBu |
Speaker Output | Load Impedance:>= 4 ohms Max Output Level before 1% Distortion: 20dBu ± 2dBu |
Party Line Output | Off Noise: < -74dBu Output Impedance:>10K ohms |
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 |
Dimensions (W x H x D) | 8.25" x 4.5" x 1.75" |
Weight | 0.99 lbs |
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 integral 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.
Features- Selectable two-channel, full-duplex operation
- Microprocessor-controlled logic and switching
- Momentary/latching talk button
- Visual and audible call signaling, with bright LED indicator
- Balanced local program input with separate level control
- Internal controls for call signal tracking, mic latch disable, and other functions
- Use with headset or handset, with integral speaker for monitoring
- Optional TW and 4-wire daughter boards provided additional flexibility
- Wall or console mount, or optional V-Box for portable or desktop use
- LED buttons for talk, listen, call, announce, link, all talk, or mic on
Headset Microphone Input | Input Type: Dynamic Input Impedance:>= 1Kohm Mic Limiter Threshold: -2dBu ± 3dB Mic Limiter Range:>= 15dB |
Program Line Input | Maximum Level before Clipping:>= 20dBu Input Impedance:>= 5K ohms |
Headset Output | Load Impedance:>= 8 ohms Output Impedance: <= 25 ohms Output Limiter Threshold: +5dBu ± 3dB Maximum Output Level before Distortion:>= 17dBu |
Speaker Output | Load Impedance:>= 4 ohms Max Output Level before 1% Distortion: 20dBu ± 2dBu |
Party Line Output | Off Noise: < -74dBu Output Impedance:>10K ohms |
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 |
Dimensions (W x H x D) | 8.25" x 4.5" x 1.75" |
Weight | 0.99 lbs |
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