31-10-2016, 01:20 PM
(31-10-2016, 12:33 PM)Mike Watterson Wrote: Nick says
http://golbornevintageradio.co.uk/forum/...p?tid=4816&pid=51514#pid51514
Yeh. I'd forgotten I wrote that...
You can box it with whatever valve bases you like - you have to add ferrite beads on the valve bases to stop any oscillation - pretty much as in old AVO and other testers - the excellent manuals document all this stuff.
Here's mine undergoing initial testing along with the first plot I did in December 2012... in early 2013 I started a thread on DiyAudio about it - http://www.diyaudio.com/forums/tubes-val...racer.html
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