06-20-2018, 08:50 PM
Nathan
No, my hum was present all the time.
Speaking of neutralizing procedure: one of the tubes was a dud with open filament. This makes any adapter unnecessary.
In fact, old neutralizing procedures, as noted by Ron, called for a dud. I would add, preferably from the same manufacturer and the same time periode, to keep the similarity as close as possible. I had exactly that.
No, my hum was present all the time.
Speaking of neutralizing procedure: one of the tubes was a dud with open filament. This makes any adapter unnecessary.
In fact, old neutralizing procedures, as noted by Ron, called for a dud. I would add, preferably from the same manufacturer and the same time periode, to keep the similarity as close as possible. I had exactly that.
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.
![[-]](https://philcoradio.com/phorum/images/bootbb/collapse.png "[-]")
