I had one briefly that had three more knobs than the space station cockpit. I sold it to somebody hopefully smarter and more committed than me, which would not have been hard..,
Anyone Here Ever Purchased A Tube Tester?
Once or twice a day a tube sputters for a brief second in my Audio Research Reference DAC. The Reference DAC is connected directly to my amplifier and it also serves as my preamp. Visually, all of the tubes look fine. Visually, I can’t tell which tube may be bad.
The tubes are: (4) 6H30, plus (1) 6550C and (1) 6H30 in power supply
Have any of you ever purchased a tube tester to test your tubes? If so, what tube tester are you using?