Ugh! Sometimes that one pedal is so simple and wont work...

Started by joelap, August 27, 2007, 08:37:24 PM

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Fuzzy-Train

Quote from: johngreene on September 14, 2007, 07:40:48 PM
Hopefully that's not all you did.....

If you are switching it to a negative ground power supply, you also need to change the transistor to a NPN.

--john

I tried using one of my Sili NPN's, and it works... BUT (and a huge but) I have the volume on my amp all the way up, and the boost on the RM all the way up, and I'm barely getting any sound... there's sound, but it's very, very faint.

So if I wanted to to be able to use a + grd RM with my 1Spot would I use the same layout (original electro orientation) and just have to wire the pos to neg, and the neg to pos??
THERE IS NO SIG.

The user formerly known as NoNothing.

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oldrocker

Nyquist is very transistor sensitive.  The same transistor in the same position in the circuit may act totally different.  I ended up using a J201 in the first position and 5952's for the rest.  It took that combination to get it to work good for me.  I tried MPF102's and got it to sound ok.  Try swapping transistors even if they're of the same type.  Of course making sure the pin out of eacn transistors is oriented correctly is very important.  I had to double and tripple check and sure enough I had one in wrong.

Barcode80

those single stage boosts can really be a butt sometimes :) i just slapped together the beginner project today (being not a beginner now for some time) and it worked, but i'm getting DC on the pot and i can't figure out why! it's making the pot full of static when turned. I've replaced all the electros, thinking they might be leaky, but no dice. might start a thread on this one...