2-Channel Select Flush Mount Headset/Speaker Station Mounts in V-Box or Accessory Enclosure (8.25" X 4.5")
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 integrated 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.
KB-702
Technical Specifications
Headset Microphone InputInput 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
Party-line Output
Off Noise: < -74dBu
Output Impedance: >10K?
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 (0 - 50?C)
Dimensions
8.25 in. W x 4.5 in. H x 1.75 in. D
(210 mm x 114 mm x 44 mm)
Weight
0.99 lbs. (0.45 Kg)
Product Spares List
| Product Spare Part | Spare Part Description |
| 810492Z | KB-702/KB-702GM MANUAL |
