Hi , I have a vintage silver face Fender "PA 4100" PA head . Im trying to find out some history and find out were I can get parts for it . Can anybody help me with this . I know this is the model that the Beatles used as a PA System when they played on the Roof of Abbey Road Studios . I have a pic of it sitting on a table next to Paul with the mike chords running to it .

Hello..I also recently bought a fender PA4100...The unit powers on but that's about it...I need a schematic for my tech. Did you have Any luck finding schematic or someone that could repair it? if so, please pass it on to me... Thanks!!