Ok,first off,I use ESP/LTD stock pickups and a Crate GFX-30 watt solid state amp.When I use rectifier distortion it sounds fine for rhythm/chord stuff,but when I play leads it sounds noisy,too harsh and I can't really make out what I'm playing.So I flipped the toggle switch to just the neck pickup,and when I solo it sounds awesome,I can make out what Im playing better and the leads sound clearer but then the chords sound dull and lack sustain.And when I solo starting scales around midrange notes they sound fuzzy also.

What should I do? Thanks alot guys.

get a decent amp and pickups with some dynamics ... otherwise u'll pay off ure ass to get a great tone.

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my leads sounded like shit, so I got some duncan pickups and changed from pedal distortion to my amp distortion. Im shredding like fun now, completely happy with the sound.

my first ltd sounded like crap until i put a pair of emg 81's in it.