The Hickok 6000A is a rugged, professional-grade mutual conductance tube tester from the golden age of tube electronics. Produced in the early 1960s, it offers a reliable way to test a broad range of tubes with Hickok’s proven dynamic test method. It also comes with a one-year warranty for your peace of mind. See warranty details here.
Restoration:
- Solid-state rectifier – replaced #83 tube rectifier for improved stability and reduced transformer loading
- Capacitors replaced – capacitors prone to failure replaced
- Resistors replaced – resistors affecting calibration and accuracy replaced
- Power Cord – new power cord for safety
- Calibrated and tested – calibrated to factory specifications and checked for accuracy across tube types
- New Roll Chart – 1964 edition for expanded tube coverage
Key Features:
- Gm (Mutual Conductance) Testing – true performance testing under operating conditions
- Tests Virtually All Common Tube Types – Octal, 7-pin and 9-pin miniature, Loctal, and Compactron
- Easy Setup – built-in roll chart and setup switches simplify testing
- Shorts & Grid Leakage Detection – with dedicated neon indicators and test buttons
- Large Analog Meter – clear Gm and “Good/Bad” scale for instant tube evaluation
- Line Voltage Calibration – ensures consistent readings regardless of power variations
- Separate Filament Switch – speeds up testing of multiple tubes with the same filament
Condition:
Professionally serviced and calibrated. All key capacitors and components updated. Cleaned, verified with reference tubes, and ready for bench or shop use.
The Hickok 6000A is a workhorse tester for audio engineers, radio restorers, and tube sellers who need accurate and repeatable results with minimal hassle.
The case shows signs of normal wear for a tube tester of this age.
The manual is available to download here
This Hickok 6000A tube tester is $590 plus shipping to the lower 48 states only because of the weight.
Contact Me if you are interested in this tube tester.
