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RTS MRT-327 A5F
2-Channel User Station with A5F Headphone Connector

OUR PART #  MRT327/A5F

Our Price: $532.00
List Price: $537.00
(Low Price Guarantee)
Usually ships in 7-14 business days.
Need it sooner? Call us!

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RTS' MRT-327 is a two-channel intercom station for use in RTS-TW 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 rack mount configurations.

Features:

  • Call Signaling
    The MRT-327 can send and receive 20 kHz call signals.
  • Dual-Action Momentary/Latching Mic Switch
    The Mic on/off switch can be used as a momentary push-to-talk switch or as a latching on/off switch.
  • Remote Deactivation
    The MRT-327 can receive 24 kHz “talk-off” signals for deactivation of the MRT-327 microphone from a remote location.
  • Microphone Limiter
    The microphone pre-amplifier circuit contains a limiter which helps to equalize output for different voice levels.
  • Optional Microphone Speaker & Headset Configurations
    The standard MRT-327 accepts an unbalanced, dynamic-mic headset or a dynamic microphone used in conjunction with an external speaker located on the rear panel. It also has a jack for an optional Model MCP-90-xx gooseneck panel microphone. Additionally, the MRT-327 may be internally modified for use with a carbon or balanced-dynamic microphone. It can also be modified to provide the microphone audio as an unswitched, balanced output.
  • Powering Options
    The MRT-327 receives operating power from the intercom line. It may be internally modified for local powering from a separate dc power supply or batteries.

Specifications:

  • 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 ohm phones: 75 mA ±10%
    Operating, 25 ohm phones + call light: 90 mA ±10%
    Operating, 8 ohm speaker: 240 mA ±10%
    Operating, 8 ohm speaker + call light: 300 mA ±10%
    Operating current is measured with output level at 10
    Local power option draws no current from TW line.
    DC Current Drawn from TW Line
  • Notes: Operating current is measured with output level at 10 dB below clipping.  Local power option draws no current from TW line.
  • Impedance Across Line: 10,000 ohm, minimum (designed for use with 200O “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 ohm ±5% (dynamic mic)
  • Source Impedance: 200 ohm, 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 ohm = ±1 volt peak, nominal

Speaker Amplifier:

  • Maximum Voltage Gain: 30 dB
  • Frequency Response: 100Hz to 8kHz ±4dB
  • Output Power: 1.5 watts into 8 ohm nominal
  • Speaker DIM (speaker muting during mic activation) adjustable, -4 to -30 dB (Factory set to -6 dB)

Headphone Amplifier:

  • Voltage Gain: 34 dB
  • Output Voltage: 8 volts peak-to-peak into 25 ohm nominal
  • Output power: 1/2 watt peak into 25 ohm
  • Frequency Response: 150 Hz to 10 kHz ±3dB
  • Headphone Impedance Range: 25 to 600 ohm (600 to 2000 ohm 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: 1/4" 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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RTS' MCS-325 is a modular passive general purpose monitor speaker.  It can be combined with MCE-325 and MRT-327 to provide speaker station operation, for example.  Packaged in 1/2 rack by 1 RU metal housing for added ...

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Usually ships in 7-14 business days.
Need it sooner? Call us!

Free Shipping Available

Our Price:$71.10List Price: $71.80

Click to download

RTS MRT-327 A5F
2-Channel User Station with A5F Headphone Connector

OUR PART #  MRT327/A5F

Product Information:

RTS' MRT-327 is a two-channel intercom station for use in RTS-TW 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 rack mount configurations.

Features:

  • Call Signaling
    The MRT-327 can send and receive 20 kHz call signals.
  • Dual-Action Momentary/Latching Mic Switch
    The Mic on/off switch can be used as a momentary push-to-talk switch or as a latching on/off switch.
  • Remote Deactivation
    The MRT-327 can receive 24 kHz “talk-off” signals for deactivation of the MRT-327 microphone from a remote location.
  • Microphone Limiter
    The microphone pre-amplifier circuit contains a limiter which helps to equalize output for different voice levels.
  • Optional Microphone Speaker & Headset Configurations
    The standard MRT-327 accepts an unbalanced, dynamic-mic headset or a dynamic microphone used in conjunction with an external speaker located on the rear panel. It also has a jack for an optional Model MCP-90-xx gooseneck panel microphone. Additionally, the MRT-327 may be internally modified for use with a carbon or balanced-dynamic microphone. It can also be modified to provide the microphone audio as an unswitched, balanced output.
  • Powering Options
    The MRT-327 receives operating power from the intercom line. It may be internally modified for local powering from a separate dc power supply or batteries.

Specifications:

  • 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 ohm phones: 75 mA ±10%
    Operating, 25 ohm phones + call light: 90 mA ±10%
    Operating, 8 ohm speaker: 240 mA ±10%
    Operating, 8 ohm speaker + call light: 300 mA ±10%
    Operating current is measured with output level at 10
    Local power option draws no current from TW line.
    DC Current Drawn from TW Line
  • Notes: Operating current is measured with output level at 10 dB below clipping.  Local power option draws no current from TW line.
  • Impedance Across Line: 10,000 ohm, minimum (designed for use with 200O “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 ohm ±5% (dynamic mic)
  • Source Impedance: 200 ohm, 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 ohm = ±1 volt peak, nominal

Speaker Amplifier:

  • Maximum Voltage Gain: 30 dB
  • Frequency Response: 100Hz to 8kHz ±4dB
  • Output Power: 1.5 watts into 8 ohm nominal
  • Speaker DIM (speaker muting during mic activation) adjustable, -4 to -30 dB (Factory set to -6 dB)

Headphone Amplifier:

  • Voltage Gain: 34 dB
  • Output Voltage: 8 volts peak-to-peak into 25 ohm nominal
  • Output power: 1/2 watt peak into 25 ohm
  • Frequency Response: 150 Hz to 10 kHz ±3dB
  • Headphone Impedance Range: 25 to 600 ohm (600 to 2000 ohm 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: 1/4" 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
Noise-Reduction Headset, A5M ConnectorTelex HR2R5-300534-002 Noise-Reduction Headset, A5M Connector

The HR-2 is a dual-sided, medium-weight passive noise reduction headset with dynamic noise canceling microphone. the headset has a noise reduction rating of 21 dB; suitable for use in a moderately noisy environment. The ergonomic headband ...

In Stock

Free Shipping Available

Our Price:$276.00List Price: $282.00

Single Headset w/Mic 64438103, A5M 5-pin RTS connectorTelex PH1R5 Single Headset w/Mic 64438103, A5M 5-pin RTS connector

Medium-weight single muff headset with foam filled cushions offers a light feel with moderate isolation from ambient noise. Dynamic noise canceling mic is easily positioned with unique continuously adjustable ball joint.

In Stock

Free Shipping Available

Our Price:$213.00List Price: $232.00You save 8%!

5W Passive Modular SpeakerRTS MCS-325 5W Passive Modular Speaker

RTS' MCS-325 is a modular passive general purpose monitor speaker.  It can be combined with MCE-325 and MRT-327 to provide speaker station operation, for example.  Packaged in 1/2 rack by 1 RU metal housing for added ...

In Stock

Free Shipping Available

Our Price:$224.00List Price: $226.00

Lightweight Dual-sided Headset, Binaural, A5M ConnectorTelex PH44R5-300853-501 Lightweight Dual-sided Headset, Binaural, A5M Connector

Binaural version of the PH44. Super light-weight dual muff mono headset with dynamic noise canceling microphone. Semi-rigid, fully adjustable gooseneck mic boom for precise positioning. High quality wide band earphones with moleskin ...

In Stock

Free Shipping Available

Our Price:$201.00List Price: $205.00

Single-sided Lightweight Headset, A5M ConnectorTelex PH88R5 Single-sided Lightweight Headset, A5M Connector

Super light-weight single muff headset with dynamic noise canceling microphone. Semi-rigid, fully adjustable gooseneck mic boom for precise positioning. High quality wide band earphones with moleskin covering for better fit, isolation and ...

In Stock

Free Shipping Available

Our Price:$194.00List Price: $198.00

Mounting HardwareRTS MCP1 Mounting Hardware

Dual rack mount kit, two main components side by side. For the SSA-324/424 intercom interfaces.

In Stock

Free Shipping Available

Our Price:$131.00List Price: $132.00

Single Rackmount Kit for SSA-324, SSA-424RTS MCP-2 Single Rackmount Kit for SSA-324, SSA-424

RTS' MCp-2 is a rackmount kit for one main (modular style) component.  Mounting brackets are the key to the RTS modular user station design concept.  By choosing the appropriate mounting kit individual user stations can be ...

In Stock

Free Shipping Available

Our Price:$131.00List Price: $132.00

Tandem Mount Kit for RTS TW IntercomRTS MCP-4 Tandem Mount Kit for RTS TW Intercom

RTS' MCP-4 is a tandem mount kit for two main (modular style) components.  Comes with 1/4" to 1/4" link cable.  Mounting brackets are the key to the RTS modular user station design concept.  By choosing the appropriate ...

Usually ships in 7-14 business days.
Need it sooner? Call us!

Free Shipping Available

Our Price:$71.10List Price: $71.80

Click to download

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