This restored and calibrated Conar 224 Tube Tester delivers dependable, accurate emission testing for a wide range of vintage radio and audio tubes. Originally sold as an NRI student kit,
This restored and calibrated Conar 224 Tube Tester delivers dependable, accurate emission testing for a wide range of vintage radio and audio tubes. Originally sold as an NRI student kit,
Restored and calibrated Hickok 6000 tube tester featuring a new meter, new polarized power cord, and solid-state rectifier in place of the #83 tube. Capacitors and resistors affecting calibration have
This restored and calibrated Hickok 600A tube tester delivers accurate transconductance and emission readings with modern reliability. Featuring a new power cord, solid-state rectifier, and socket savers, it’s ready for
Precision 920 Tube Tester – Professionally restored and calibrated for accurate, dependable tube evaluation. Includes 9-pin adapter for preamp tubes, rebuilt analyzing leads, and restored original finish. Tests a wide
Restored Zenith Model 7S529 (1940/41) tabletop radio with safety upgrades and preserved cabinet. Functional and fully rewired—an authentic pre-WWII classic.
The Philco Model 70, produced in 1931–1932, came to me after a partial restoration. Capacitors and a period-correct cloth power cord had already been replaced. I completed the restoration by
Fully restored Hickok 800 Tube Tester – Professionally serviced for long-term reliability and accuracy. Includes new meter, #83 solid-state rectifier, new 1970 roll chart, new power cord, calibration to factory
Restored Hickok 539B tube tester with replaced capacitors, resistors as needed, and a new tube test roll chart. Fully serviced and tested for accurate, reliable tube measurements.
Fully restored and verified with known-good tubes. Capacitors replaced, solder joints checked, contacts cleaned, and resistors verified. Clean, smooth roll chart and includes the original EICO box. A dependable emissions-style
B&K 707 dynamic mutual conductance tube tester – fully restored, calibrated, and ready for service. Includes repaired tube settings book.