DAM Meathead clone problems.

[ironman180]

Hi guys,

I was wondering if anyone could help me.

Today I decided to build DAM Meathead clone. I ordered kit parts from Bitsbox and went to build it but I can't get it to work. When it's turned on there's no guitar sound, only high pitched squealing that increases as I increase volume on the potentiometer (at least that works..).

I attached pictures of the schematic and my build. And I know I changed places of input and output, I think that should not matter.

Thank you all so much!!

P.S. I changed the 47uf capacitor that I got with the 100uf like in the schematic.

[Elijah-Baley]

I guess you built it mirrored.
Your top view board should look like the layout. It's better do it another.

[duck_arse]

welcome to the forum, ironman180.

what you have shown is a layout diagram, not a circuit dia, but hey-ho. it is common for first-time builders to do a mirror of a layout, but I don't think I've ever seen a mirrored and corrected before. well nearly corrected [looking at it and translating it is doing my head in], I think, if all other placements are correctly mirrored, that your transistors are reversed.

[ironman180]

I turned the transistors for 180 degrees and it works now, thanks guys. I now realise I was watching the layout wrong. 

[ironman180]

Ok, so there's this other thing I realized that when the pedal is turned on it acts strange. That 1 potentiometer controls both volume and gain, so you can't use it below noon, because it's almost inaudible. Can someone tell me why is this happening?

[iainpunk]

that one control is actually just a volume control, but because there is an psycho acoustic effect, that louder volume gives a feeling of having more gain. or maybe its over driving your amp's input/clean channel with its volume...

the gain control on this fuzz is actually your guitar's volume control!!!!

cheers, Iain

[ironman180]

that one control is actually just a volume control, but because there is an psycho acoustic effect, that louder volume gives a feeling of having more gain. or maybe its over driving your amp's input/clean channel with its volume...

the gain control on this fuzz is actually your guitar's volume control!!!!

cheers, Iain

Thanks man!