Thanks all. I checked the link, but there was not anything immediately useful that I could find. The switches on the front panel are mechanical switches with contacts, which I carefully cleaned with contact cleaner. I also loaded up a TRS plug with contact cleaner and worked it in and out of...
Thank you! I have exercised all the switches, but did not try contact cleaner. Good call on the insert jack--I'll give that a go now. I have been all over the 'Net just looking for some sort of evidence that the specific symptoms I'm having can be from a suspect tube. It's funky, so the...
Thanks very much. The tube is lit, and I verified the connections, seating, etc. are good. The "bang" is not a physical jolt to the unit, but a transient in the circuit from "banging" on the microphone.
I am wondering if a bad tube can manifest itself as a "threshold" problem like this...
Couldn't find this topic elsewhere, so I'm starting a new thread...
I have a DBX 376 "tube" pre... I know, from reading all the other info here, that the role of the tube is a touchy subject, but I am having a separate issue and I'm hoping someone can confirm my suspicions...
The unit will...