A classic Japanese guitar effect - the Shin-Ei Companion Fuzz - it has its roots in the Fuzzrite, with a notch filter at the output.
SHIN-EI COMPANION FUZZ FY-2 - VERO LAYOUT
FY-2 SCHEMATIC
Usual notch filter response.
It's a fairly broken-looking wave - not the infamous volume drop compared to the input level, which is normally fixed by adding a gain recovery stage.
You are missing the 1nF cap in parallel with the 2.2M.
ReplyDeleteThanks - updated
ReplyDeleteMissing a cut under the 47n.
ReplyDeleteThanks hozy - updated. Think I need my glasses checked. ;-)
Delete