captainbeefheart Posted December 8, 2021 Share Posted December 8, 2021 More tubes I will never use again. When I had amps that needed a 12AU7 I preferred Amperex the best but harder to find. Made in Holland, Heerlen I much prefer the 6SN7 and 12AU7 are electrically identical in regard to tube properties; mu=gm*rp but the 6SN7 is much more linear and will yield less distortion. But someone with an amp already using 12AU7 these are going to be the best you can find I guarantee it. Message me if you can use them, thanks. Quote Link to comment Share on other sites More sharing options...
michaelwjones Posted December 8, 2021 Share Posted December 8, 2021 PM sent. Mike Quote Link to comment Share on other sites More sharing options...
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