Rickresource Rickenbacker Forum

https://worldradiohistory.com/Everyday_Electronics.htm

some guitar effects
https://worldradiohistory.com/UK/Everyd ... -S-OCR.pdf

https://worldradiohistory.com/UK/Everyd ... -S-OCR.pdf

https://electronicmusik.wordpress.com/2 ... -analogue/

https://worldradiohistory.com/UK/Everyd ... 972-11.pdf

https://worldradiohistory.com/UK/Everyd ... 0.CV01.pdf

https://worldradiohistory.com/UK/Everyd ... 979-06.pdf

https://worldradiohistory.com/UK/Everyd ... 975-11.pdf

https://worldradiohistory.com/UK/Everyd ... 978-09.pdf

https://worldradiohistory.com/UK/Everyd ... 982-03.pdf

https://worldradiohistory.com/UK/Everyd ... -S-OCR.pdf

https://worldradiohistory.com/UK/Everyd ... 973-01.pdf

Cool old magazines, brings back a lot of memories of looking through similar publications in my teens...

More fuzz circuits

The fuzz effect in US patent 3213181 includes a differentiating circuit which would tend to sound like the treble was boosted.
http://www.google.com/patents/US3213181

other circuits
Practical Electronics July 66 and Nov 67 have fuzz projects in them which use Ge transistors.
https://worldradiohistory.com/UK/Practi ... 966-07.pdf
https://worldradiohistory.com/UK/Practi ... 967-11.pdf

Fuzz and Distortion Timeline
http://hewittsgaragestudio.com/fuzz-timeline.php
http://www.bigmuffpage.com/The_Tonebend ... ine_2.html
https://worldradiohistory.com/Archive-P ... 968-02.pdf