Prototype Precision 10-12 tube tester, fully restored and calibrated with excellent cosmetics. This unit represents a rare, accurate example of Precision’s development models. This unit has been sold.
Prototype Precision 10-12 tube tester, fully restored and calibrated with excellent cosmetics. This unit represents a rare, accurate example of Precision’s development models. This unit has been sold.
Tektronics 310A oscilloscope, fully restored and tested with excellent cosmetics. This unit delivers reliable, accurate signal analysis for vintage electronics. This unit has been sold.
Philco 41-221 tabletop radio, classic 1940s design with clear AM reception and warm audio. Fully restored and cosmetically clean.
Hickok 600A tube tester, fully serviced and calibrated. The case shows wear but the tester performs to factory specifications. This unit has been sold.
Hickok 539C tube tester with solid-state rectifiers, bias fuse, and balanced transformer enhancements for improved reliability and protection. Fully restored and calibrated.
Hickok 532 tube tester, fully serviced and calibrated. The case shows wear but the tester performs to factory specifications. This unit has been sold.
Hickok 600A tube tester, fully serviced and calibrated. The case is badly worn but the tester performs to factory specifications. This unit has been sold.
Hickok 534 tube tester with added plate current test points and bias fuse for enhanced diagnostics and circuit protection. Fully restored and calibrated.
Weston 981 mutual conductance tube tester, known for its robust construction and precise measurements. Fully restored and calibrated.
Hickok 752A mutual conductance tube tester, reliable and accurate with a large analog meter. Fully restored and calibrated.