Nope not normal, not uncommon, but it is definitely a problem that needs repairing in my opinion. Lots of folks think that it isn't a problem and there is nothing you can do about it, but it is and you can.
You have a shielding issue, give your bass a proper shielding job and the buzz will go away.
Carvin LB76 / Dingwall ABZ ! Support Local !
Markbass SD 800
Epifani UL2-310 / Markbass 104 HF-4
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