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Home > Broadcast & Field Audio > Communication / Intercom Systems > Wired Communication > Base Stations > RTS MRT-327 A4F Two-Channel Intercom Station

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RTS MRT-327 A4F Two-Channel Intercom Station for use in RTS Two-Wire Systems

Mfr #: F.01U.118.526

Dale #: RTS-MRT327A4F

Our Price: $511.00

Quantity:

Availability: Special Order

This item ships within 5-10 business days and your card will be charged once you complete checkout. This item is not returnable or cancelable.

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Description
Specifications
More Information
Competitive Price
Ratings

The model MRT-327 is a two-channel intercom station for use in RTS Two-Wire Intercom systems. It may be used as a headset station or as a speaker station (with an optional MCS-325 modular speaker). The MRT-327 may be installed in optional console or rackmount configurations.

Features

Call Signaling
Dual-Action Momentary/Latching Mic Switch
Microphone Limiter
Optional Microphone Speaker & Headset Configurations
Powering Options
Remote Deactivation

Input DC Voltage
Mode:	18 to 35 volts DC
Local Power:	15 to 35 volts DC (12 to 15 volts DC, reduced performance)
DC Current Drawn from TW Line
Quiescent:	45 mA ±10%
Operating, 25-? phones:	75 mA ±10%
Operating, 25-? phones + call light:	90 mA ±10%
Operating, 8-? speaker:	240 mA ±10%
Operating, 8-? speaker + call light:	300 mA ±10%
Impedance Across Line	10,000 ?, minimum (designed for use with 200? “TW" intercom lines)
Environmental Temperature
Operating:	0°C to 60°C
Storage:	40°C to 85°C
Humidity
Operating and Storage:	5% to 95%, non-condensing
Noise Contribution
(Ch 2):	>-60 dBp
(Ch 1):	>-80 dBp
Microphone Preamplifier
Input Impedance	470 ? ±5% (dynamic mic)
Source Impedance	200 ?, nominal
Maximum Input Level	150 millivolts
Frequency Response(-54dB input):	100 Hz to 8 kHz ±3dB
Limiter Range	30 dB
Carbon Mic Excitation Current	10 mA, nominal
Current Source
Transfer Ratio	3.3 mA/volt = 3.3 millisiemens
Output	3.3 mA into 200 ? = ±1 volt peak, nominal
Speaker Amplifier
Maximum Voltage Gain	30 dB
Frequency Response	100Hz to 8kHz ±4dB
Output Power	1.5 watts into 8 ? nominal
Headphone Amplifier
Voltage Gain	34 dB
Output Voltage	8 volts peak-to-peak into 25 ? nominal
Output power	½ watt peak into 25 ?
Frequency Response	150 Hz to 10 kHz ±3dB
Headphone Impedance Range	25 to 600 ? (600 to 2000 ? with reduced levels)
Sidetone Adjustment Range	-20 dB to full on
Call Light
Signalling Frequency	20 kHz ±100 Hz
Flashing Rate	5 Hz ±2 Hz
Talk-Off
Frequency	24 kHz nominal
Connectors
Dynamic Microphone Headset	XLR type 6 pin female
Panel Microphone	¼-inch standard phone jack, 3-circuit
Line Input	One (1) XLR type 3-pin female and one (1) XLR type 3-pin male, wired in parallel
Mechanical
Dimensions	1.71" (44 mm) tall, 8.2" (208 mm) wide, x 9.0" (228 mm) deep
Weight	2.75 lbs (1.25 kg)
Construction/Finish	Aluminum case, thermoplastic front panel, light gray finish

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