By: Kramer
Video & Computer Signal Processing Solutions
Contact us for lowest price (800) 284-2288, (858) 565-1101,, or fax (858) 300-4193
Balanced Mono Audio Isolation Transformer

The TR1A is a high-performance isolation transformer for balanced mono audio signals. The TR 1A completely isolates devices to eliminate hum, ground loops, and DC offsets that can degrade audio quality.

TR-1A features include:

  • 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 optional rack adapter.

INPUT: 1 balanced audio, +4dBu/600Ω on a detachable terminal block.
OUTPUT: 1 balanced audio, +4dBu/600Ω on a detachable terminal block.
BANDWIDTH (-3dB): 20Hz to 20kHz.
S/N RATIO: −83dB @+4dBu/1kHz.
CONTROLS: DIP−switches to connect to chassis.
COUPLING: Transformer.
AUDIO THD + NOISE: <0.025% @+4dBu/1000Hz.
DIMENSIONS: 12.1cm x 7.2cm x 3cm (4.77” x 2.85” x 1.2”) W, D, H.
WEIGHT: 0.34kg (0.75lbs) approx.
INCLUDED ACCESSORIES: Mounting brackets.
OPTIONS: RK−3TR 19" rack adapter.

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Prices and specifications subject to change without notice.