Hans said:
Hey EM7,
How do I get rid of that @#$%^ ghost note problem in by Bad Cat TremCat 30 1X12 combo? The only way I can play the amp without hearing ghost notes is in 15 watt mode with a 1X12 extension cab added and the amp set at 4 ohms.
When I am running the amp with the single 12" speaker (no extension) at 8 ohms, the ghost notes are absolutely intolerable.
What am I calling a ghost note? The deliberate note I'm playing comes through loud and clear along with another "ghost" note at around 50% of the deliberate note's volume. The ghost note is a sour discord in a different key than the deliberate note - not at all similar or complimentary.
Hans, there's a fairly simple way to see if it's the amp's innards or a speaker, and that's to disconnect the internal speaker and run the extension cab by itself. Try the amp with the extension speaker in all of its modes. If it doesn't happen with the extension speaker, it's the speaker. If it also happens with the extension speaker, it's probably the amp, and it would be a good idea to send the chassis to Bad Cat for a look-see.
I had this problem with a Tremoverb, exactly as you describe. A speaker swap fixed it in my case.