Mce325 specifications, General, Microphone preamplifier – Telex MCE325 User Manual
Page 13: Headphone amplifier, Speaker amplifier, Power and mechanical, Mce325 specifications -5
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MCE325 Specifications
General
Bridging Impedance (to line)
10,000 ohms typical
Noise Contribution to 200-ohm Line
-90 dBu
Call Signal Frequency
20 kHz, crystal controlled
Talk-off Frequency
24 kHz, crystal controlled
Microphone Preamplifier
Maximum Voltage Gain
54 dB
Frequency Response
100 Hz to 8,000 Hz, ±3 dB
Input Impedance
1,000 ohms
Limiter Range
30 dB
Headphone Amplifier
Maximum Voltage Gain
30 dB
Frequency Response
100 Hz to 8,000 Hz, ±3 dB
Headphone Impedance
50 to 600 ohms
Output Power
150 mW into 50 ohms
Output Voltage Level
8 Vp-p
Speaker Amplifier
Maximum Voltage Gain
30 dB
Frequency Response
100 Hz to 8,000 Hz, ±3 dB
Speaker Impedance
8 to 16 ohms
Output Power per Amplifier
5W into 8 ohms
Output Voltage Level
16 Vp-p
Power and Mechanical
Power Requirements
115 to 230 VAC, 20 VA max,
12 to 25 VDC, 100 to 125 mA quiescent, 900 mA max
Dimensions
1.72” H x 8.2” W x 8” D (44 mm x 208 mm x 203 mm)
Weight
4.25 lbs (1.93kg)
Material/Finish
Thermo-plastic front panel, aluminum case, light gray
finish