I am rebuilding a PAT-4 , I would like to change out the I/O board and eliminate the tape head , special , high level & ceramic phono inputs. I would also like to add one high level input for a total of three high level inputs. My question is this does any one know what wires to disconnect from PC boards ,if I just clip leads at the RCA jacks it creates a bad hum problem.
My second question is if I remove two of the phono inputs can the PEC removed and if so what value resistor would I need on the low level inputs for a Shure M97xE cartridge.
Thanks in advance for any help
My second question is if I remove two of the phono inputs can the PEC removed and if so what value resistor would I need on the low level inputs for a Shure M97xE cartridge.
Thanks in advance for any help