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.
Clear-Com KB-702 Features
- 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
- KB-702 Encore 2-Channel Remote Speaker Station1
- 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
- Frequency Response
- 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
- 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
- Headset Mic – Partyline: < -70dBu
- Program Input – Headset Out: < -60dBu
- Program Input – Speaker Out: < -60dBu
- Partyline – Headset Out: < -50dBu
- Partyline- Speaker Out: < -50dBu
- Max Gain
- 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: 20-30 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
- Environmental32° – 122°F (0° – 50°C)
- Dimensions (HxWxD)4.5x8.25x1.75" (114x210x44mm)
- Weight0.99 lbs (0.45kg)
