This modification affects both channels.

- more versitale tone control
- Clean channel with smooth top and and wider mid range
- more signal depth
- rich harmonics
- Gain channel opens up and gets more dynamic
- tight bass response

Modification price:

285,00 €

This modification affects both channels.

- Clean channel with better harmonics, fine voicings
- Lead channel with rich harmonics and no harshness
- improved mid focus

Modification price:

385,00 €

This modification affects both channels and an additional Presence control.

- Clean: California twang with lots of dynamic
- smoother attack, more bottom
- improved Bright switch
- Crunch: opens up, more harmonics
- less compression, less nasal mids

- Lead: Versitale tone control
- well balanced overall tone control for both channels
- punchy, open, singing
- additional Presence control pot

Modification price:

265,00 €

This modification affects the overall tone and dynamic behaviour.

- more bottom, more harmonics
- smoother attack
- singing mids

Modification price:

159,00 €

This modification is available for head and combo version.

- more harmonics, improved response

- smooth and silky Clean tone

- less edgy

- harmonic break up, AC30 style

Modification price:

329,00 €

This modification is available for head and combo version.

- Clean: smoother attack, more dynamic
- rich, but smooth highs
- Crunch: more signal depth, clears up
- improved dynamic response
- Lead: more singing, less harsh

Modification price:

229,00 €

This modification affects all channels.

- Clean: brightens up without edgy highs

- fine balanced crunch tone, punhcy

- Lead channel smoother, singing

- improved tone control

Modification price

269,00 €

We took an original OR120 from 1976 as reference.

- smooth and rich attack
- deep and full gain structure
- get the typical growl
- more bottom end definition

Modification price:

159,00 €

Will work perfectly work at lower volumes.

- dynamic attack
- smooth response
- with the typical gain growl
- more bottom end definition 

Modification price:

195,00 €

This modification affects all three channels.

- more gain
- deep and rich gain structure
- more harmonics, less harsh highs
- dynamic response, tight low end 

Modification price:

449,00 €

Available for head and combo version.

- more dynamic

- less harsh highs, more "juice"

- fat gain structure

Modification price:

379,00 €

This modification affects the analog output stage of the unit.

- smoother tone, sounds more like a miced amp

- less hardness

- fatter gain structure

Modification price:

99,00 €