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sadrew wrote:i've built a geofex clone and have a question.

in the gated position of the switch, the fuzz is VERY gated, and no sound is coming unless the fuzz pot is at very low settings.

is this normal?

The answer comes a bit late, but nevertheless:

I had the same thing and noticed, that the collector of the second transistor was pretty low - starved transistor. So no problem, a trim pot in parallel to the collector resistor and bob´s your flaming uncle. This runs the transistor a bit hotter.

You have to find a sweet spot that does the farting so that is sounds to your like.

This is probably the fine-tuning R.G. mentions. Some transistors may work right away, but some obviously don´t. I used BC237´s that happened to rumble around the drawer

I like the sound of the fuzz.

have fun,
-helmut

Hi everyone. Sorry to dig up graves, but I finished today a perfboard layout strongly apeing the OLC clone.

Feel free to take a look over it and any errors let me know.

All the details are on my blog page here

http://hownotomakeapedal.blogspot.com/2 ... heese.html

LaceSensor wrote:Hi everyone. Sorry to dig up graves, but I finished today a perfboard layout strongly apeing the OLC clone.

Feel free to take a look over it and any errors let me know.

All the details are on my blog page here

http://hownotomakeapedal.blogspot.com/2 ... heese.html

just wait i have seen errors, will update shortly

For anyone interested this is now verified. Here is the layout
[img]
https://i1178.photobucket.com/albums/x3 ... rified.jpg[/img]

The BOM is as per the Chunky Cheese

For anyone interested this is now verified. Here is the layout


The BOM is as per the Chunky Cheese