My Marshall JCM800 Kerry King signature has a led on the boost switch that is red when no signal is coming in and green when you have signal Lately it started behaving weirdly (since I have started using a Peavey T-40...) - if I stop the strings, it becomes red as if the bass was unplugged - while not playing, the led flashes occasionally between green and red as if I had intermittent signal - when connected through the ABY switcher, and I DISENGAGE the Marshall amp, if I use the tuner BEFORE the ABy switcher the amp led turns green (this is the weirdest and makes no sense at all and may even be a separate ABY switcher problem ) My main concern is that the amp may be damaged by these things, what could possibly be? Should I worry about that?
Looks like the guys over there got you some suggestions to figure this out. So you're trying your hand with bi-amping... What cabs are you using? I definitely agree with Dogs of Doom about getting a crossover in there. Right now you aren't really bi-amping as much as splitting and running dual mono. Cleaning the bass out of the guitar side will tighten up the sound. I would let the bass side run full range if you only use the KK for grit.
I'm using two Ampeg PF (410 and 115) on the bass signal and a Fender Supersonic 2x12 for guitar Yeah I read about the crossover, but actually I like how the KK roars on the lows (and it has some HUGE lows for a guitar head!)... So I'm not sure I'm willing to change that, both me and my drummer are liking a lot the sound right now (I'm a little bit less satisfied with the "bass" side but that's another story... I'm planning to try different head and cabs)
Anyways I hope to perform some troubleshooting (based on suggestions from the Marshall forum guys) tonight and tomorrow. I think the problem is the bass.
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