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dakine
New
Username: dakine

Post Number: 1
Registered: 11-2008
Posted on Sunday, November 09, 2008 - 3:40 pm:   Edit Post

Hello All, I've owned my F1X for about ten years. Lately it has been producing a soft, but very noticeable, fuzzy distortion to the signal. (The fuzz is not constant - the signal is being distorted).

The tone controls affect the fuzz, so it is probably being added before the EQ circuit.

The distortion is present on all outputs (full range, high pass, etc). It is probably occuring somewhere early in the signal path.

I've changed guitar cords, instruments, etc. etc. Makes no difference.

Any suggestions? I have some basic tools and a multimeter.

Thanks!

-David
keith_h
Senior Member
Username: keith_h

Post Number: 1167
Registered: 2-2005
Posted on Monday, November 10, 2008 - 3:36 am:   Edit Post

Have you tried replacing the tube yet?

Here is a link to the procedure.

Keith
mica
Moderator
Username: mica

Post Number: 5687
Registered: 6-2000
Posted on Monday, November 10, 2008 - 8:14 am:   Edit Post

First, try adding a patch cord between the effects send and return. If the distortion goes away, then perform one of the cleaning procedures described here. Sounds crazy, but it cures nearly all F-1X distortion issues.
dakine
New
Username: dakine

Post Number: 2
Registered: 11-2008
Posted on Monday, November 10, 2008 - 11:15 am:   Edit Post

Thanks Mica, I read about the return jack issue right after posting. I tried the patch cord in the effects loop and it fixed the problem. Sounds crazy is right!

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