RunOffGrooves entry into the Marshall in a Box circuit range. This one is lovely! Marshall released their amp in the 60's.
The circuit consists of only one preamp stage, a volume and unique tone control setup, the phase splitter and a single power stage. There is no negative feedback, so distortion will be much easier to achieve.
It also includes a charge pump circuit to take your input voltage from 9v to 18v.
As you can see in the images, this PCB has been designed for to hang from the pots inside the enclosure. This provides ultimat