Clear-Com MS-702 - Manual (Page 25)

4 - 1 C l e a r - C o m ®
M S - 7 0 2 T w o - C h a n n e l M a i n S t a t i o n I n s t r u c t i o n M a n u a l
SPECIFICATIONS
dBv is an absolute measurement. 0 dBv is referenced to 0.775 V RMS.
Headset Microphone Pre-Amp
Input Type: Dynamic
Impedance: 1K Ω
Input Level: -55 dBV nominal; -10 dBV max.
Frequency Response 200 Hz to 15 kHz
Gain from headset mic to intercom line: +41 dB
Panel Microphone Pre-Amp
Input Type: Electret
Input Level: -45 dBV nominal
Frequency Response 450 Hz to 12 kHz
Gain from panel mic to intercom line: +31 dB
Headphone/Speaker Amplifier
Load Impedance Range: 50 Ω - 2 KΩ
Output Level: At least +20 dBV across 600 Ω
Distortion: < 0.2% THD @ 1 KHz
Frequency Response: 200 Hz - 18 KHz, ±2 dB
Gain from intercom line: +37 dB
Power Output: 110 dB SPL
Program Amplifier (Transformerless, balanced differential
input)
Input Level: 0 dBV
Input Impedance: > 100 K Ω
Frequency Response: 150 Hz - 18 KHz, ±2 dB
Termination Impedance
Impedance: 200 Ω, switchable
Power Supply
Type: Switching, with overcurrent limiting and
reset
circuitry for each channel
Output Voltage: 30 volts DC regulated
Output Current: 1.2A Continuous
2A Peak (Do not exceed the 1.2A rating for
more than 2 seconds per 30 second period)
1.75A max any channel, with electronic
current limiter (Do not exceed the 1.2A rating
for more than 2 seconds per 30 second
period)