• WARNING: Tube/Valve amplifiers use potentially LETHAL HIGH VOLTAGES.
    Building, troubleshooting and testing of these amplifiers should only be
    performed by someone who is thoroughly familiar with
    the safety precautions around high voltages.

Got the Hum out!! Thanks All

Status
This old topic is closed. If you want to reopen this topic, contact a moderator using the "Report Post" button.
After rebuilding the durn Pilot 3 times with no schematic I found it! Duhh-Too much voltage going to pin 6 Triod#1 on both 12AX7's. Put in a 39kohm resistor and got it down to 150v. Hum gone dead black background and real nice soundstage with excellent defination.
Thanks for all the advice.
 
Status
This old topic is closed. If you want to reopen this topic, contact a moderator using the "Report Post" button.