12-25-2016, 06:43 PM
If it is across the band and does not get louder with volume it is not likely the interference.
As said, check the GND rivets etc. If it popped from nowhere....
OK, have you try to GND the input of the audio tube and see if it goes away? You need to try to trace it.
As said, check the GND rivets etc. If it popped from nowhere....
OK, have you try to GND the input of the audio tube and see if it goes away? You need to try to trace it.
People who do not drink, do not smoke, do not eat red meat will one day feel really stupid lying there and dying from nothing.