Clear-com KB-702 Speaker Station
Clear-com 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-totalk
microphone.
• 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
• 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: 20-30V 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
0.99lb (0.45kg)
