The Harman Kardon Citation I is a classic vacuum tube pre-amplifier known for its smooth, musical sound and excellent phono performance. I serviced this pre-amp for a customer as part
Restored and Calibrated B&K 747B Tube Tester For SaleRestored and Calibrated B&K 747B Tube Tester For Sale
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This is the sought-after B&K 747B mutual conductance tube tester, one of B&K’s most advanced and user-friendly models. It features true mutual conductance (Gm) testing, allowing accurate evaluation of a
Restored and Calibrated Hickok 600A Tube Tester for Sale – SOLDRestored and Calibrated Hickok 600A Tube Tester for Sale – SOLD
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This Hickok 600A has been electrically restored, serviced, and calibrated. All normal age-related repairs have been completed, and a new replacement meter has been installed for accurate readings. The case and
Zenith Model 7S529 Radio – Another Restored Vintage ClassicZenith Model 7S529 Radio – Another Restored Vintage Classic
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A beautifully restored Zenith 7S529 from the early 1940s, featuring the classic black dial, rich wood cabinet, and warm tube-radio sound Zenith is known for. This set plays well, displays
Restored and Calibrated Conar 224 Tube Tester for SaleRestored and Calibrated Conar 224 Tube Tester for Sale
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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 for Sale – SOLDRestored and Calibrated Hickok 6000 Tube Tester for Sale – SOLD
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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
Restored and Calibrated Hickok 600A Tube Tester for Sale – SOLDRestored and Calibrated Hickok 600A Tube Tester for Sale – SOLD
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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
Restored and Calibrated Precision 920 Tube Tester for Sale – SOLDRestored and Calibrated Precision 920 Tube Tester for Sale – SOLD
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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
Zenith Model 7S529 Radio – A Restored Vintage ClassicZenith Model 7S529 Radio – A Restored Vintage Classic
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Restored Zenith Model 7S529 (1940/41) tabletop radio with safety upgrades and preserved cabinet. Functional and fully rewired—an authentic pre-WWII classic.
Philco Model 70 Cathedral RadioPhilco Model 70 Cathedral Radio
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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