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Headset Microphone Input |
Input Type: Dynamic, Electret
Input Impedance: 1K Ohms
Max Input Level: -60 dBu to -40 dBu switchable
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Headset Output |
Load Impedance: >= 4 Ohms
Output Impedance: 47 Ohms
Output Limiter Threshold: -4 dBu, + 3 dB
Max Output Level Before Distortion: -4 dBu
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Party-line Output |
Off Noise: <-80 dBu
Output Impedance: >10K Ohms
Maximum Output: -4 dBu
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Party-line Input |
Maximum Level Before Clipping: +3 dBu
Sidetone Null Capability: >25 dB
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Frequency Response |
Dynamic Mic - Party-line: 40Hz - 22KHz, + 3 dB
Dynamic Mic - Line Out: 20Hz - 22KHz, + 3 dB
Dynamic Mic - 4-Wire Out: 100Hz - 22KHz, + 3 dB
IFB Input - Headset Out: 100Hz - 22KHz, + 3 dB
Party-line - Headset Out: 150Hz - 22KHz, + 3 dB
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Max Distortion |
Dynamic Mic - Party-line: <0.1%
Dynamic Mic - Line Out: <0.05%
IFB Input - Headset Out: <0.5%
Party-Line - Headset Out: <0.1%
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Noise |
Dynamic Mic - Party-line: <-75 dBu
Dynamic Mic - Line Out: <-85 dBu
IFB Input - Headset Out: <-65 dBu
Party-Line - Headset Out: <-65 dBu
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Max Gain |
Dynamic Mic - Party-line: 41 dB + 3 dB
Dynamic Mic - Hot Mic Out: 40 dB + 3 dB
IFB Input - Headset Out: 40 dB/22 dB (switchable) + 3 dB
Party-line - Headset Out: 34 dB + 3 dB
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Rear Panel Connectors |
Headset: XLR-6F
Microphone Out: XLR-3M
Intercom: 2 XLR-3 (male and female loop through)
IFB: XLR-3F
Power: 2.1mm jack
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Front Panel Controls
and Indicators |
(1) Mute button
(1) Mute indicator LED (red)
(1) Talk back button
(1) Talk back indicator LED (green)
(1) Interrupt level control
(1) Non-Interrupt level control
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Power |
Intercom/IFB Voltage: 25 - 30 VDC
Current: 100mA idle, 120mA max
DC Adapter: 100 - 240V
Voltage: 30V @ 0.5A
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Environmental |
32o – 122o F (0o – 50o C)
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Dimensions |
6.0 in W x 3.0 in H x 8.0 in D
(152 mm x 76 mm x 203 mm)
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Weight |
2.0 lbs. (0.9 kg)
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