VaporDemon
Member
I recently powered up and did preliminary checks on my Jet City 50 which is modded to SLO spec. Everything is great except for some noise related to V2. While searching for the source of the buzz/hum, I noticed getting close to V2 made it louder. I swapped the tube out and it is 80% better but as I was searching I realized anytime I got my meter probe near the components of V2 it got super noisy. If I touch the grid stopper on pin 7 it’s like touching the tip of a guitar cable. The resistor tests fine as far as the value but could this resistor be causing the noise for some other reason? Someone reminded me that film caps can be sensitive depending on which side is attached to the outer foil. What else can I try to remove this noise? Thanks in advance!
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