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FDP Forum / Miscellaneous and Non-Fender Topics / Help: Any Electro Harmonix Wiggler owners?

DrKev
Contributing Member
*****

Paris, France

It's just a guitar, not rocket science.
May 15th, 2017 04:49 AM   Edit   Profile   Print Topic   Search Topic

I'm trying to trouble shoot an Electro Harmonix Wiggler with extremely low output when engaged. (It's owned by a student of mine, it never worked since the day he bought it but he figured it was something he was doing wrong. It went in the cupboard for years and he's long out of warranty).

I swapped the tubes for a known-working pair to no avail. The tubes do not appear to be heating but I don't know if that's normal operation for this pedal or not. There are no obvious problems with solder joints to the tube sockets and tracing back the connections to pins 4 and 5 on the tube sockets shows no obvious issues.

Can anyone offer trouble shooting tips for this thing?
Should the tubes be heating and lighting up as if in a standard preamp?

Thanks so much.

Peegoo
Contributing Member
**********
**********
******

I've got my own

double-cross to bear
May 15th, 2017 01:36 PM   Edit   Profile   Print Topic   Search Topic

Yes the tubes should be warming up (the heaters need to warm up in order for the tubes to work their magic). Pull the data sheets on the tubes, find a schematic for the pedal, and test things with a meter to see if all voltages are in spec.

DrKev
Contributing Member
*****

Paris, France

It's just a guitar, not rocket science.
May 16th, 2017 08:28 AM   Edit   Profile   Print Topic   Search Topic

Thanks Peegoo.

FDP Forum / Miscellaneous and Non-Fender Topics / Help: Any Electro Harmonix Wiggler owners?




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