I've lucked into two tube testers recently. An Eico 666 and a Sencore Mighty Mite. The 666 a friend found for me in a Habitat for Humanity shop. The Sencore was given to me by my friend Jim. The mighty mite works well but I haven't tested the 666. From what I've read the roll sheets are notoriously wrong. Has anyone updated one of these 666 rollsheets?
The mighty mite is really nice and compact. I had a dead tube on hand it certainly tested as such.
This post originated at retro vintage modern hi-fi http://itishifi.blogspot.com
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4 hours ago