[Microphone Preamplifier]
Input: 1KΩ dynamic
Input Level: -55dBV, -10dBV MAX
Frequency Response: 250Hz - 12KHz
Gain: +41dB
[Headphone Amplifier]
Load Impedance: 50Ω - 2KΩ
Output Level: +20dBV (600Ω)
Distortion: <0.2% THD (1kHz)
Frequency Response: 200Hz - 15KHz ±3dB
Gain: +37dB
[Connectors]
Headset: NC4FDL-1 x 1
Intercom Line: 7-pin terminal block connector x 1
[General Specifications]
System Level: -15dBV, 0dBV MAX
Line Impedance: Bridging (20KΩ or higher, 200Hz - 10KHz)
Side Tone: 0 - 35dB
Signaling: Call Light Sensitivity: 4VDC, Signal Voltage: 11VDC
Signal-to-Noise Ratio: Over 75dB
Operating Voltage: 12-32V (typically 28V)
Current Consumption: 30mA
Operating Temperature: 0-50°C
Dimensions (mm): 117.7 (W) x 114.7 (H) x 44 (D) (excluding protrusions)
Weight: 0.23kg
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