The KB-702GM remote speaker station permits the user to select between two channels of partyline communications, with the ability to talk and/or listen on the selected channel, like the KB-702 but adds a gooseneck mic connector and VOX circuitry.
Main Features:
• Gooseneck microphone connector with VOX circuitry
• Talk/Listen from headset mic, telephone handset or push-to-talk microphone
• Four modes of operation that are internally programmable via dip switches
• Balanced local program input with separate level control
• Visual and audible call signaling
• Optional 4-wire daughter board for flexibility
• Wall or console mountable, or optional V-Box for portable or desktop use
• Built-in speaker
Specifications:
Panel Microphone Input:
• Input Type: Electret
• Input Impedance: >=2K
• Mic Limiter Threshold: -2dBu ±3dB
• Mic Limiter Range: >= 15dB
Headset Microphone Input:
• Input Type: Dynamic
• Input Impedance: >= 1K
• Mic Limiter Threshold: -2dBu ± 3dB
• Mic Limiter Range: >= 15dB
Program Line Input:
• Maximum Level before Clipping: >= 20dBu
• Input Impedance: >= 5K
Headset Output:
• Load Impedance: >= 8
• Output Impedance: <= 25
• Output Limiter Threshold: +5dBu ± 3dB
• Maximum Output Level before Distortion: >= 17dBu
Speaker Output:
• Load Impedance: >= 4
• Max Output Level before 1% Distortion: 20dBu ± 2dBu
Partyline Output:
• Off Noise: < -74dBu
• Output Impedance: >10K
Partyline Input:
• Crosstalk: < -60dB
• Max level before Clipping: >= 12dBu
• Sidetone Null Capability: > 25dB
Frequency Response:
• Panel Mic – Partyline: 300 – 16kHz ± 3dB
• Mic – Partyline: 300 – 15kHz ± 3dB
• Program Input – Headset Out: 200 – 18kHz ± 3dB
• Program Input – Speaker Out: 200 – 18kHz ± 3dB
• Partyline- Headset Out: 200 – 18kHz ± 3dB
• Partyline- Speaker Out: 200 – 18kHz ± 3dB
Max Distortion:
• Panel Mic – Partyline: <= 0.5%
• Headset Mic – Partyline: <= 0.5%
• Program Input – Headset Out: <= 0.2%
• Program Input – Speaker Out: <= 0.5%
• Partyline- Headset Out: <= 0.2%
• Partyline – Speaker Out: <= 0.5%
Noise:
• Panel Mic – Partyline: < -65dBu
• Headset Mic – Partyline: < -70dBu
• Program Input – Headset Out: < -60dBu
• Program Input – Speaker Out: < -60dBu
• Partyline – Headset Out: < -50dBu
• Partyline- Speaker Out: < -50dBu
Max Gain:
• Panel Mic – Partyline: >= 37dB
• Headset Mic – Partyline: 41dB ± 2dB
• Program Input – Headset Out: >= 18dB
• Program Input – Speaker Out: >= 24dB
• Partyline- Headset Out: >= 34dB
• Partyline- Speaker Out: >= 40dB
Power:
• Input Voltage Range: 20-30V DC
• 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 Jumper 3: Three sets of options jumpers
• Call Alert Tone Level Control: Level adjustment control
Environmental:
• 32 – 122°F (0 – 50°C)
Dimensions:
• 4.5 x 8.25 x 1.75in (HxWxD)
• (114 x 210 x 44mm)
Weight:
• 1.1lbs (0.50kg)
