tester

B&K 700 & 707 tube tester

©2008, Bob Putnak.  All rights reserved.  This article discusses the B&K 707 Dyna-Jet Dynamic Mutual Conductance tube tester, including repair and calibration. The discussion is also relevant to the B&K 700 (the 700 is almost identical except for socket configuration) and some of the information is applicable to the B&K 650. The B&K 707 tube […]

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Lafayette Tube Tester

This article will discuss servicing of the Lafayette TE-50 tube tester. Electrical voltages are present, repairs should only be attempted by a qualified technician. Copyrighted, all rights reserved. Ebay ID = rjputnak The Lafayette TE-50 is an excellent example of a nice portable tube tester that packs a lot of punch into a very small

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