| Headset Microphone Input |
Input Type : Dynamic
Input Impedance: >= 1KΩ
Mic Limiter Threshold: -2dBu ± 3dB
Mic Limiter Range: >= 15dB
|
| Program Line Input |
Input Impedance: >= 5KΩ
|
| Headset Output |
Load Impedance: >= 8Ω
Output Impedance: <= 25Ω
Output Limiter Threshold: +5dBu ± 3dB
Maximum Output Level before Distortion: >= 17dBu
|
| Party-line Output |
Off Noise: < -74dBu
Output Impedance: >10KΩ
|
| Party-line Input |
Crosstalk: < -60dB
Max level before Clipping: >= 12dBu
|
| Frequency Response |
Headset Mic - Party-line: 300 - 15KHz ± 3dB
Party-line - Headset Out: 300 - 15KHz ± 3dB
|
| Max Distortion |
Headset Mic - Party-line: <= 0.5%
Party-line - Headset Out: <= 0.2%
|
| Noise |
Headset Mic - Party-line: < -70dBu
|
| Max Gain |
Headset Mic - Party-line: 41dB ± 2dB
Party-line - Headset Out: >= 34dB
|
| Power |
Input Voltage Range: 20-30 VDC
Input Current (Idle): <= 50mA
Input Current (Max): <=100mA
|
| Internal Adjustments and Connections |
Intercom Line: Seven terminal connector
Option Switches: Two DIP switches
Option Board Jumper: Two sets of options jumpers
|
| Front Panel Connectors |
Headset: (1) XLR-4M
|
| Front Panel Controls & Indicators |
(1) Sidetone control
(1) Talk button
(1) Call button
(1) Channel select switch
(1) Volume control
|
| Environmental |
32 - 122˚F (0 - 50˚C)
|
| Dimensions |
4.625 in. W x 4.5 in. H x 1.75 in. D
(117 mm x 114 mm x 44 mm)
|
| Weight |
0.46 lbs. (0.21 Kg)
|
