April 16, 200818 yr a couple cool projects have popped up recently, one by Papa himself and one by John Curl's number one fan, Grey: http://www.diyaudio.com/forums/showthread.php?s=&threadid=120673 http://www.diyaudio.com/forums/showthread.php?postid=1484933#post1484933 Just figured someone around here might be interested!
April 17, 200818 yr Author a couple cool projects have popped up recently, one by Papa himself and one by John Curl's number one fan, Grey: http://www.diyaudio.com/forums/showthread.php?s=&threadid=120673 http://www.diyaudio.com/forums/showthread.php?postid=1484933#post1484933 Just figured someone around here might be interested! I think this would make a snazzy preamp myself, perhaps using the 2sk389/2sj109 as input jfets instead, er and remove the 500 ohm resistors.... [img width=121 height=150 alt=GRFE]http://www.head-case.org/gallery2/main.php?g2_view=core.DownloadItem&g2_itemId=2349&g2_serialNumber=2&g2_GALLERYSID=07294709821172ddd05f5fcbe96431fa
May 14, 200917 yr Author another interesting preamp design: Detailed write-up at: The Difference Engine Preamp Version 1.0 Exploring a 'secret' circuit called a differential. Article By Grey Rollins
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