Today was my annual warehouse spring cleaning day, so it was a good opportunity to take a “family photo” of my tube tester collection. My collection changes all the time, sometimes daily. I did include all of the models that I use everyday for tube sales and bench servicing, and also models that I “rotate […]
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How to Use a Tube Tester… and Tube Issues (in General) by Bob Putnak, ©2010. All rights reserved. Last update: Jan 2014. Your tube tester is often the first test instrument that you reach for when diagnosing problems in tube gear. All tube testers are a compromise in functionality, compromise in accuracy, and none are
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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
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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
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This article discusses repair and calibration of the Signal Corp I-177 tube tester. Serious electrical voltages are present, repairs should only be attempted by a qualified technician. Copyrighted by Bob Putnak, all rights reserved. Introduction Model I-177 is a very old US Military dynamic mutual conductance tube tester that was used during World War II
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