A nice little Treble booster - link -

[MartyMart]

http://www.schematicsforfree.com/archive/dir/Audio/Musical/Circuits

This site came up the other day, with regard to  a phaser.
Here in the circuits list is the "Guitar Treble Booster" which is a slightly different take on
the classic circuit.
Sounded quite good but without any serious gain/breakup.
Change C2 to a 22uf or higher and it gets interesting !
Made one with an MPSA13 , as it's a neg ground NPN arrangement.

sounds great !
MM.

[Doug_H]

I think I built that one when I was in high school ('74). The reason I think it was that one is because I used a pot with a switch to "turn it on" and used some RG58 with a plug for the output instead of a jack- just like the article.

It sounded real good in front of my Craig Anderton "Optimum Fuzz Adapter".

Doug

[MartyMart]

"Showing your age Doug" !
I'm not far behind you, was 12 in '74 

I know it's "dead simple" but it sounds great !

MM.