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Review Summary
18 to 35V DC
15 to 35V DC (12 to 15V DC, reduced performance)
45mA +/-10%
75mA +/-10%
90mA +/-10%
240mA +/-10%
300mA +/-10%
10KOhms, minimum (designed for use with 200Ohms "TW" intercom lines)
0 deg. C to 50 deg. C (32 deg. F to 122 deg. F)
40 deg. C to 85 deg. C (104 deg. F to 185 deg. F)
Operating and Storage: 5% to 95%, non-condensing
Channel 2: <-60dBp
Channel 1: <-80dBp
470Ohms +/-5% (dynamic mic)
200Ohms (nom.)
150mV
-54dB input: 100Hz to 8KHz +/-3dB
30dB
10mA, (nom.)
3.3mA into 200Ohms = +/-1V peak, (nom.)
30dB
100Hz to 8kHz +/-4dB
1.5 watts into 8Ohms (nom.)
Speaker DIM (speaker muting during mic activation) adjustable
-4 to -30dB (Factory set to -6dB)
34dB
8V peak-to-peak into 25Ohms (nom.)
1/2W peak into 25Ohms
150Hz to 10KHz +/-3dB
25 to 600Ohms (600 to 2000Ohms with reduced levels)
-20dB to full on
20KHz +/-100Hz
24KHz +/-100Hz
XLR type 6 pin female
1/4" standard phone jack, 3-circuit
One (1) XLR type 3-pin female and one (1) XLR type 3-pin male, wired in parallel
Aluminum case, thermoplastic front panel
1.71 x 8.2 x 9" / 43.434 x 208.28 x 228.6mm
2.75lbs / 1.24kg
The Telex MRT-327 is a 2-Channel User Station for use in RTS-TW intercom systems and A5F Headsets. It may be used as a headset station or as a speaker station. It can be installed in rack mount configurations.