atmo

Modifications, tweaks and enhancements

G3 Blues
No modifications, tweaks and enhancements as of now.


J5Mk1
No modifications, tweaks and enhancements as of now.


M15Mk1
Add a send/return loop (unbuffered), you only need two 1/4" TS jack plugs with switches and some wire.
M15Mk1 Mods




A15Mk1
These three modifications need to be done to upgrade an A15Mk1 to an A15Mk2:
1) Change heater ground reference to enhance tube V3 lifetime
2) Change channel 1 tonestack to be more effective
3) Change layout to eliminate crosstalk between the channels
A15Mk1=>Mk2 Mods




A15Mk2
No modifications, tweaks and enhancements as of now.


BP1Mk1
No modifications, tweaks and enhancements as of now.


FS1Mk1
No modifications, tweaks and enhancements as of now.