StephenGiles
Well-known member
Mark Hammer posted this link over at Aron's Stompbox site, many circuits both solid state and valve to be seen. Also there are interesting examples of cmos gain stages using 4069s.
http://www.laney.co.uk/html/Downloads/blt1384.htm
Stephen
http://www.laney.co.uk/html/Downloads/blt1384.htm
Stephen