12AU7/12BH7 Headphone Amp

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If you say so. I don't remember tenth grade physics that well... Anyway what size capacitor are we talking here? I've got a few cheap .22uF caps I could use, but I don't want to solder the bulky pots in there again. is 47K in series with .22uF a good start for feedback? I'm still using 7AU7's.

p.s. the amp sounds pretty good, very solid imaging and very little hum. i'm happy :D
 
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