Tube Amp Archive

https://www.youtube.com/watch?v=jPLmNB8NFzQ

this is the video that explains the process. And he add an electrolytic cap to the bias pot.

Hi,

I want to mod my fender aa864 to add a master volume ( post phase inverter ). But I have a question... The cable thick does matters? The cable that I have is a XLR mic cable.

https://ibb.co/Gd5DnpL

thanks.