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Old 1st November 2008, 04:31 PM
Neville Roberts's Avatar
Neville Roberts Neville Roberts is offline
Junior Member
Join Date: Jan 2006
Location: Ferndown, Dorset
Posts: 20
Default How to test 300B triodes on a B&K 606 tester

Hi folks

I just thought I'd post this for anyone who has a B&K Dyna-Jet Valve (Tube) Tester Model 606 and wants to be able to test 300B triodes, which you can't on this model without an adapter and setup data. I have put a PDF on my web site at

The technique described should also work with any emission-type valve tester that does not have a UX4 socket and no information on testing 300B valves!

I hope it is of use.

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