Home » Audio » Group Build » Anyone use 6S45P with 12B4A concertina for PP 7591A or 6L6?
Re: 12B4 sub [message #31838 is a reply to message #31828] Fri, 24 March 2006 10:26 Go to previous message
Scholl is currently offline  Scholl
Messages: 67
Registered: May 2009
Viscount
I looked at both the 6C19 and 12B4 and just judging by the published curves find the 12B4 more linear in the 20-30ma range. I have 6C19s but never used them.

This circuit is good for driving pentodes only.

 
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