This is a Hickok 534 that I repaired and calibrated for a Customer. The Customer asked me to wire a Bias fuse bulb and test points for checking plate current.
Weston 981 Type 3 Tube TesterWeston 981 Type 3 Tube Tester
This is a Weston 981 Mutual Conductance tube tester that was not functional when I received it for calibration. One of the electrolytic capacitors was shorted and blew a fuse
Hickok 752A Tube TesterHickok 752A Tube Tester
This is a Hickok 752A that I restored electronically and calibrated. This is a very nice tester and is very clean. The 752A has the ability to test a multi
Hickok 539C with Digital MetersHickok 539C with Digital Meters
This 539C was not working because all three meters were bad. The meters were replaced with digital meter replacements and the tube tester was calibrated. Analog meters in tube testers
Hallicrafters SX-96Hallicrafters SX-96
The Hallicrafters SX-96 is very similar to the SX-100 without a few of the features like notch filter and crystal calibrator. This radio was quite a mess and required some
Magnavox AM/FM AC-DC Table RadioMagnavox AM/FM AC-DC Table Radio
This Magnavox AC-DC radio needed five new tubes, a re-capping, and troubleshooting to find a broken connection in the FM tuner. I added an inrush current limiter and some additional
Heathkit IO-102 OscilloscopeHeathkit IO-102 Oscilloscope
The Heathkit IO-102 is a transistor based oscilloscope. I replaced the electrolytic capacitors and some transistors that were very temperature sensitive and caused the unit to drift badly. This unit
Precision EV-10A Vacuum Tube MultitesterPrecision EV-10A Vacuum Tube Multitester
This Precision EV-10A was brought to me by a Customer wanting to get it fixed and working again. When this tester was made, they installed .01 uf RF filter capacitors