dirty1_1garry Well-known member Joined Oct 3, 2011 Messages 511 Location Moscow Sep 14, 2019 #1 511 - 500 series preamp module discussion thread: https://groupdiy.com/index.php?topic=73322.0 Attachments 511 sch redrawn.pdf 56.1 KB
A abbey road d enfer Well-known member Staff member GDIY Supporter Moderator Joined Jan 22, 2008 Messages 17,542 Location Marcelland Sep 15, 2019 #2 Interesting. Two comments: Could you identify the BJT's in the front end? The arrangement around the second stage, teh one with teh Trim pot suggests POSITIVE FB. Is that correct? Thanks for posting.
Interesting. Two comments: Could you identify the BJT's in the front end? The arrangement around the second stage, teh one with teh Trim pot suggests POSITIVE FB. Is that correct? Thanks for posting.