HamishR

If you want a fairly dramatic but still musical midrange push try changing R3 to 1K, C3 to 220nF and then maybe change C4 to 1µF or 2µ2...

Right! And from Sweetwater: Plug the ENGL Powerball pedal into your favorite guitar amplifier, and you'll instantly turbocharge it with...

I wonder if this circuit is designed to sound like an Engl amp or work well with an Engl amp? That could possibly help to explain the EQ...

So it uses three dual opamps and the first and last gain stages are on the same opamp. Doesn't this break international safety protocol...

That little square looks so innocent doesn't it? It's a portal. That's all I can say.

I thought that was because it's left-handed. Everything is backwards.

I really like your enclosure design - very cool, even if I didn't get the Ghostbusters references (having never seen the movie). Just as...

I had an Okko Diablo way back and quite liked it. I remember it being very good if a little polite. I tried building one when Robert...

The boost looks like a TS with preset gain and tone.

You guys are killin' me....

This design was whipped up by HamishR, based on the BJFe Model G. Here's what he sent me. The main difference from the Model G is the...

The treble control Chuck says was good enough was actually designed by Chuck for a previous circuit I was working on! It works far...

Yeah, cos if we're not that could really hurt.

I have a bunch of red LEDs which are backwards. Confused the hell outa me for ages. Every time I used them I had problems. I guess if...