83Y135 Signal Tracer

Gain of 91,000 at maximum sensitivity using pentode front end. Uses "Magic Eye" output indicator.
Wattmeter calibrated 25-1000 watts. Substitution test speaker, utility audio amplifier,
substitution test output transformer and 280v B+ may be connected to unit being serviced.
Two position RF-AF probe with input capacity of 6 MMFD. Noise locator test facilities.

Weight: 12 lbs