Posted by Scholl [ 204.34.199.252 ] on March 24, 2006 at 11:26:44:

In Reply to: 12B4 sub posted by PakProtector on March 18, 2006 at 15:56:58:

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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