Clear-Com, KB-702, 2-Channel Remote Speaker Station

Description

2-Channel Remote Speaker Station
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

Technical Specifications

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 terminalconnector
Option Switches: Three DIP switches
Call Signal Jumper3: 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 1.75 in (HxWxD)
(114 x 210 x 44 mm)

Weight
0.99 lb (0.45 Kg)