T-Rex mudhoney mod completed

I found the time to get my mod for the Mudhoney done. First a gut shot of the pedal in its original state, nice and clean.

T-Rex Mudhoney guts

First thing was to remove the HEF4013 in order to take control of the bypass circuitry.

T-rex Mudhoney bypass circuit

The new circuit board that will control the fet bypass circuitry and the boost.

Custom board for 2:nd stage mod

Here’s a caption where I’ve mounted the footswitches for bypass and boost, two toggle switches for the momentary/latching option and a third one for the clipping diodes.

Wiring up the T-Rex Mudhoney 2:nd stage mod

The clipping diodes a pair of AA144 germanium.

AA144 diodes

Time to do some wiring then. The effects circuit board has had the boost switch removed, the original clipping diodes lifted from the ground plane on the circuit board. The new pot for tuning the gain is also in place. Here’s a caption of it wired up.

The T-Rex Mudhoney 2:nd stage mod

And a short video in an earlier stage where I’m testing the switching options.

T-rex Mudhoney 2:nd stage mod

And a picture of the pedal when it’s all done.

The T-Rex Mudhoney 2:nd stage mod

Well what can you say, that turned out somewhat different compared to the original.

/Krister Östman

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