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Audio-Technica ATW-T51

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This item has either been discontinued by the manufacturer or is no longer available to purchase on our website.

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(800) 771-8330

1400 Series UniPak Transmitter


A-T's rugged and reliable 1400 Series UHF True Diversity wireless systems include a receiver and either a body-pack or a handheld transmitter on a specific crystal-controlled frequency. The all-metal UHF receiver is equipped with detachable front-mount antennas, balanced and unbalanced outputs, ground lift, adjustable squelch, rackmount capability and True Diversity reception. Two antennas feed two completely independent RF sections on the same frequency; automatic logic circuitry continuously compares and selects the superior received signal, providing better sound quality and reducing the possibility of interference and dropouts.


  • True Diversity reception with two independent RF sections for greatest reliability

  • Interference-resistant UHF band operation

  • Convenient detachable front-mount antennas

  • Rugged metal receiver housing

  • Balanced and unbalanced audio output jacks

  • Ground-lift switch and adjustable squelch

  • Two receivers can be mounted side-by-side in a single 19" rack space

  • Power-save switches on transmitters


  • Operating Frequency: UHF band, 732 MHz to 746 MHz

  • Number of Channels: Fixed channel

  • Frequency Stability: +/-0.005%

  • Modulation Mode: FM

  • Maximum Deviation: +/-15 kHz

  • Operating Range: 200' minimum

  • Operating Temperature Range: 40 F (4 C) to 110 F (43 C)

  • Frequency Response: 100 Hz to 15 kHz


  • RF Power Output: 50 mW Max

  • Spurious Emissions: Under federal regulations

  • Dynamic Range: >=90 dB

  • Input Connections: High impedance, low impedance, bias

  • Battery: 9V (NEDA type 1604) alkaline, not included

  • Current Consumption: 50 mA typical

  • Battery Life: Approximately 8 hours in High positionApproximately 10 hours in Low position

  • Dimensions: 2.56" (65.0 mm) W x 4.33" (110.0 mm) H x 1.00" (25.4 mm) D

  • Net Weight: 3.2 oz (90 grams)

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