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I've recently been playing around with an Atwater Kent 20, got it working well. I have a number of other "3-dialers". I'm trying to get better at working on them and understanding the circuitry, which hopefully will make me better at diagnosing more complicated things. There really isn't much to go wrong. Original grid leaks are usually bad; on the A-K I rebuilt the old one, a first for me, easy and a satisfying repair. Mine had an open pot which was also an easy fix. That was pretty much it, the tubes that came with it were all okay. It's handy to have some you can swap as I think that's more reliable than a tube tester in this case.
I have an ERLA "2-dialer" that I think was built from a kit they sold. I sorta got it working once but not very well. Need to try again someday.
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Bryan
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08-10-2019, 09:12 PM
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