Tube Amp Archive

Can't tell much from the poorly lighted pic you posted and the low quality schematic. Gotta see all those little numbers on the PCB. Where does the other end of the wire go ? A tube socket or the footswitch jack ? What's the history of the amp ? Is it factory new or did some clown work on it ? From...

Hi, I'd really need some help with this. So I have this Epiphone amp thats got alot of hum and seems to be having ground issues. Redid the filament wirings which helped alot but I still seem to have alot of hum and ground noise. Opened it up while it was on and poke around with a chopstick and found...

Hey. Noob question here. So I've got this Epiphone century amp (schematic here https://el34world.com/charts/Schematics/files/Epiphone/Epiphone_electar_century_75th_reissue.pdf ) It's got a really loud 50hz hum at zero volume which is a common problem with these amps. I've been told on old threads to...