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In Reply to: RE: Using Dynaco A420 opt with ST70 kit posted by DAK on November 26, 2012 at 15:03:32:
Yes, your A-420s will work fine in the upgrade circuit. You certainly can use EL34s, but aren't limited to them. 6550, KT-88, 6L6GC, KT-120 will all work.
Kevin Carter
K&K Audio
www.kandkaudio.com
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Follow Ups
- RE: Using Dynaco A420 opt with ST70 kit - KevinC 16:03:16 11/26/12 (2)
- RE: Using Dynaco A420 opt with ST70 kit - DAK 10:41:50 11/29/12 (1)
- RE: Using Dynaco A420 opt with ST70 kit - KevinC 12:06:14 11/29/12 (0)