TR-2A Stereo Audio Isolation Transformer

The TR-2A is a high-performance isolation transformer designed for balanced stereo audio signals. It eliminates hum, ground loops, and DC offsets by electrically isolating connected devices, ensuring clean, high-quality audio performance.

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  • S/N Ratio — — 83dB @+4dBu, 1kHz.
  •  External Input & Output Ground Terminals.
  •  Grounding Options — DIP–switch selectable.
  •  Passive — No power required.
  •  Compact Kramer TOOLS™ — 3 units can be rack-mounted side–by–side in a 1U rack space with the recommended rack adapter.
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INPUT 1 balanced stereo audio, +4dBu/600Ω on detachable terminal block
OUTPUT 1 balanced stereo audio, +4dBu/600Ω on detachable terminal block
MAX. OUTPUT LEVEL +26dBu
BANDWIDTH (-3dB) 20Hz to 20kHz
S/N RATIO −83dBu @+4dBu/1000Hz
CONTROLS DIP switches to connect to chassis
COUPLING Transformer
AUDIO THD + NOISE 0.025% @+4dBu/1000Hz
INCLUDED ACCESSORIES Mounting brackets

 

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