What up guys,

My H&K TubeFactor has been my main go to overdrive due to its stunning pure tube tone.
However, it’s bulky size and Factor 1/2 with arbitrary volume really bugged me.

So… Extreme Pedal Makeover!! 

The 1590D was made for this pedal.
Used a 4pdt switch to give it 2 channels.

The drilling plan:

Neatish wiring:

Perfect fit:

Kind regards,
Matt.