Super-Sonic 22 schematic

[melvin]

I got the super-sonic 22 schematic from Fender, they had to mail me a hard copy. I needed it so I could come up with a solution for the POP switching noise, if you're interested. I've got details on my blog but I will soon post it on the forum....

The Super-Sonic BOOM, switching solution… | The Brown Amp Notebook

[JoeM]

Here's the 2 pages in one pdf, just for convenience.

[xxxmostroxxx]

Hello, I need the specifications of the transformer 22w Fender Supersonic. Where I can get them? Here I leave a link scheme Supersonic 22w Thanks. martingilardi@gmail.com

[dmeek]

I saw a Prosonic with this problem a few years ago. The POP would happen with
signal present only. As far as I could tell it was caused by the relay switching
into the V2 12AX7 grid while the tube was being overdriven.
I'm guessing an overdriven signal shifts the D.C. bias. When signal drops suddenly,
bias shifts causing thump.
I suggested to the owner he mute his strings before hitting the footswitch,
e.g don't switch in the middle of a chord. He didn't like that idea but I didn't want
to re-design his amp.

Doug