#1
Ok first of all I would like to apologize if this is a noob question but I have to ask it.
I will try to explain it as good as i can , please forgive my somewhat simple explanation .

I've got an ESP LTD KH 602 with EMG 81/60 combo and a somewhat crappy practice amp. When hitting some notes , their ,, counterparts " resonate ( I think ) , thus the pick-ups catching that vibration and so the note is heard in the amplifier with another faint sound behind it , thus producing a dissonance . It's noticeable when the sound is distorted .
Is that normal ? What do I have to do to eliminate this ? Is it because of the guitar , because of the amplifier?
I hope you understand . If not , please ask and I will try to explain .

Thank you and once again sorry if my question is kind of noobish.
#2
It's probably just a case of muting the strings you're not playing so they dont ring out... Without muting while on distortion, you're gonna get all kinds of messy sounds you dont want.
#3
It's gonna be even more noticeable since you have those super hot pickups in your guitar too..