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Old 12-23-2017, 09:28 PM
benman94's Avatar
benman94 benman94 is offline
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Join Date: Jun 2011
Location: Detroit, MI
Posts: 1,190
3:1 interstage transformers?

Hello all,

As we head into yet another long, cold, dreary, dark winter here in Michigan, I've decided I want to try my hand at yet another amplifier build. Everything I've built prior has been RC coupled; I'd like to try something using interstage transformers for a change. It won't measure all that great, but I've heard some pretty decent sounding amplifiers from just prior to and just after WWII that actually sound decent with zero negative feedback.

Since I have a couple of type 5930s lying around (basically a 2A3 shoved into a tubular bottle), I figured I'd give this circuit from September of 1947 a shot:




I was thinking of trying this transformer from Hammond for the two interstage units: https://www.tubesandmore.com/sites/d...es/p-t124b.pdf. It won't break the bank, and it looks to be pretty cheap at $40 to $60 depending on the retailer. Should this work, or does anyone know of something that might better fit the bill?
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