TESTER TRT207
Two pair (4-wire) loudspeaker amplifier, for use with testers and general line monitoring.

It is powered by a rechargeable battery, which is charged from a 50v DC source.  Cord, test No. 2.82F connects to a standard 50v jack.

Drawings - 78204, 78205 and 78206.

Specification - T6991.
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Last revised: August 11, 2025
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