u/8MasterFader

Build using el84 tubes

Am I right in thinking that r 28 sets the starting point of the bias pot

if so can I put the centre lug of a 10k bias pot at c- and then one outer lug to r21 and the other to r22 after replacing R28 with a 5k resistor to accommodate for the 10k pot put in the mix

Or is r30 the governing resistor

Trying to ensure I don’t offset the biasing start point too much

Thanks

Can someone explain why fender added the 0.01uf capacitors into the mix and can I re instate this arrangement into the Hoffman pro jr circuit

Also any reason Hoffman might have replaced the CR5 1N5062 with a 1N4007

Thanks.