The Amp Garage

When I touch the red wire.

Sorry you’re right. It’s not the plate. However when I put my probe on that pin, the hum stopped.

Here is a picture of it put together:

Hi all. This is my first post, but I've lurked for some time. My name is Victor and I'm a retired electrician that decided to build a Blackface Fender Deluxe Reverb from the Mojotone small parts kit. The rest I built myself: chassis, cabinet, etc. My problem is that I've got a low hum that's too lou...