Tube Testers

B&K 600-606 tube tester

This article discusses repair and calibration of the B&K 600 / 606  tube testers.  Both models can share the same tube setup data book, and therefore both models are functionally equivalent.    Model 606 will be example shown in this article.  Electrical voltages are present, repairs should only be attempted by a qualified technician. Copyrighted …

B&K 600-606 tube tester Read More »

Precision Apparatus 10-series tube tester

This article discusses repair and my calibration procedure of the Precision model 10-12  tube tester.   Serious electrical voltages are present, repairs should only be attempted by a qualified technician. Copyrighted by Bob Putnak, all rights reserved. Introduction The Precision Apparatus Company (commonly known as PACO) manufactured some very high-quality test equipment.  Among their offerings are …

Precision Apparatus 10-series tube tester Read More »

B&K 607 – 667 Tube Tester

This article discusses the solid-state B&K 607 / 667 tube testers.  Both models use the same tube setup data book, and therefore both models are functionally equivalent.  Model 607 will be example shown in this article.  Electrical voltages are present, repairs should only be attempted by a qualified technician. Copyrighted, all rights reserved. This series …

B&K 607 – 667 Tube Tester Read More »

Mercury Tube Testers

This article will discuss Mercury tube testers. The Mercury Electronics Corporation of Mineola NY produced a number of tube testers in the 1960s.  All models are small, portable, and lightweight.  Popular models include 990, 1000 / 2000, 1100, 1100A, 1100C, 1101.  Models and comments will be added as I find time.   Electrical voltages are …

Mercury Tube Testers Read More »