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The TR-1 is a high-resolution video isolation transformer for composite video signals. It provides complete isolation between devices to eliminate video hum, ground loops, and DC offsets, which can degrade picture quality.

  • Bandwidth - 5.8MHz (-3dB).
  • Passive (no power required).
  • Compact Kramer TOOLS™ - 3 units can be rack mounted side-by-side in a 1U rack space with the optional RK-3TR rack adapter.


INPUT: 1 composite video, 1Vpp/75ohm on a BNC connector.
OUTPUT: 1 composite video, 1Vpp/75ohm on a BNC connector.
MAX. OUTPUT LEVEL: 4 Vpp/75ohm.
BANDWIDTH (-3dB): 5.8MHz.
DIFF. GAIN: 0.05%.
DIFF. PHASE: 0.05Deg.
K-FACTOR: 1.2%.
S/N RATIO: 73.4dB.
TILT: 0.1%.
COUPLING: Transformer.
DIMENSIONS: 12cm x 7.3cm x 3cm (4.7” x 2.88” x 1.2”) W, D, H.
WEIGHT: 0.34kg (0.75lbs) approx.
ACCESSORIES: Mounting brackets.
OPTIONS: RK-3TR 19" rack adapter.

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