Oh dear -
Long crackle on a lot of notes. Worse on the E and A fretted or open , a lot less on D and G
1) amp has 2 channels. Only using one at a time as its a single cab. Changed channels, no help
1a) Also changed EQ, various changes, Comp on and off etc. No help
2) cab has 2 speakons. Swapped speakons. No help
3) Changed speakon cable and then did the above again, swapping channels, then cab speakons. No help
4) changed guitar leads twice, no help
5) used my wireless XVIVE's . No help
6) Isolated amp from cab and isolated cab from floor. No help
7) Took grill off, played open E and open A, and put both hands on the driver ( cone and beyond cone ). No help.
8) Changed basses - no help
Isn't looking good