In Reply to: Anyone Know the Builder of these 2A3 PPP Amps posted by baileyler on May 18, 2012 at 06:16:39:
I don't see an input transformer for the balanced input so that probably explains the two 7N7 input tubes. It's probably a tube diff amp.
Edits: 05/18/12 05/18/12
This post is made possible by the generous support of people like you and our sponsors:
Follow Ups
- Active balanced Input? - gusser 13:49:18 05/18/12 (2)
- RE: Active balanced Input? - Eli Duttman 20:00:13 05/18/12 (1)
- RE: Active balanced Input? - baileyler 05:38:36 05/20/12 (0)