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Kramer TR2A
Balanced Stereo Audio Isolation Transformer


The TR-2A is a high performance audio isolation transformer for balanced stereo signals.
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List Price: $145.00
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Kramer TR2A
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The TR-2A is a high performance audio isolation transformer for balanced stereo signals. It provides complete isolation between devices thus eliminating hum, ground loops and DC offsets which can degrade the audio quality.

  • S/N Ratio - -83dBu @ +4dBu @ 1000Hz
  • External Input & Output Ground Terminals
  • Grounding Options - dip switch selectable
  • Passive - No Power Required
  • Compact Size - Part of the Kramer TOOLS™ family of compact, high qualityand cost effective solutions.


  • INPUTS: 2 balanced audio +4dBu/600Ohm on detachable terminal blocks;
  • OUTPUTS: 2 balanced audio +4dBu/600Ohm on detachable terminal blocks;
  • BANDWIDTH (-3dB): AUDIO: 20Hz to 20kHz
  • S/N RATIO: AUDIO: -83dBu @+4dBu/1000Hz
  • CONTROLS: Dipswitches to connect to chassis
  • COUPLING: AUDIO: Transformer
  • AUDIO THD + NOISE: 0.025% @+4dBu/1000Hz
  • DIMENSIONS: 4.77”W x 2.85”D x 1.2”H (12.1cm x 7.2cm x 3cm)
  • WEIGHT: 0.75lbs. approx. (0.34 kg)
  • ACCESSORIES: Mounting brackets


  • Broadcast and production audio/video studios
  • Audio/video duplication studios
  • Staging and fieldwork

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