Tube Testers and Test Equipment
Quality Test Instruments for Technicians or Hobbyists
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calibrated Sencore TC28 Hybrider — best Mighty Mite — professional tube tester – $369 free ship
TC28 Hybrider is the King of the Mighty Mite series, with significantly better build quality and best test circuit of all Mighty Mite models. No comparison, really.
Includes original setup data book. As part of diligent servicing and calibration, I have checked (and replaced where needed) all load resistors, all new electrolytic capacitors, and calibrated this beautiful test instrument. New rubber feet installed on bottom. Grounded line cord installed.
The TC28 Mighty Mite is popular among technicians because: (1) complete solid-state design for extreme reliability, (2) full load cathode current test method with Life Test option, (3) ultra-sensitive 100-megohm leakage test, and (4) thorough shorts test due to a full compliment of lockout switches that prevent false shorts or miss real shorts. Made in USA.
Fantastic opportunity to buy a top quality test instrument, nice condition, professionally serviced and calibrated.
Photos below show accurate test results during testing of the Sencore calibration module (module not included).
powerful 45-AMP Filament transformer 6v – $39 free ship USA
Here is a whopper for your tube projects! A massive 45-amp filament transformer. Nominal input 115vac, nominal output 6.5vac @ 45A. Want to build a massive tube warmer/heater? Now is your chance. With this transformer, you can power the filaments of almost *50* (yes, fifty…) 6L6 tubes at the same time! Size: approx 4L x 3.25W x 4.5H inches.