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Maxing stock chokes and DHT filament transformers













On the 10 Ohm stock L1 input choke, I went from 22 AWG lead in-out wiring to ( Yellow ) 10 AWG wire, with silver content so as to eliminate the "bad big wire sound" and retain audio bandwidth. That is 16 times more wire. Audible !!

On the Hammond 2A3 filament transformer, I employed 12 AWG wire for the ends ( White ) and 12 AWG for the center tap ( Black ) also, importantly, any large wire needs silver content.

Cathode returns to ground are critical on 2A3 Finals. They need to be short and VERY well wired, as good as you can make it. This is "it" for me, for the moment. You can try it, listen for yourself and see / hear. " An inch of bad wire ".

Getting parts ready for 2A3 DC SE stereo amp build. FUN !!! Greenlee 1 and 1/16th inch chassis punch for Woo Audio teflon UX4 sockets arrived today in the mail. Whoopee.

Jeff Medwin


Edits: 11/28/14 11/28/14 11/28/14 11/28/14 11/28/14
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Topic - Maxing stock chokes and DHT filament transformers - drlowmu 09:30:48 11/28/14 (79)
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