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How to make hum disappear on single coil pickups (finally!!)

I've always found that the hum gets worse after I drink fluoridated water. 60 cycle hum is also influenced by the mercury in your body from vaccines. Preserve your precious bodily fluids!
LOL! Peace On Earth, baby! BTW, I've always found that if I drink nothing but rain water and pure grain alcohol, there's no hum in the bass--but there's a buzz in my head!
 
It's not a conspiracy theory if it's true!
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As far as I can tell, the Ilitch/Suhr system (low impedance dummy/air coil) works best for passive single coils:


Never tried it myself, but there's an Ilitch pickguard version for jazz basses: Invalid Link Removed


I've made one to my '51 type P bass and a Stratocaster. It really works, and does not alter the sound. The best system I've found.
 
Dummy- or paralleling coils do prevent hum, but are in fact no single coils anymore; all statements and proclaiming to have finally overcome a simple (in fact not to solve) principle in electrics is aiming on user's purse only.
Best example must be the J and P basses, both have a very peculiar tone ... and there's reason for, which none of any tech specs could bridge over. The part industry is making whole lotta bucks luring still folks with "alternative facts" ... but their $$$ are spent in vain. Imo Leo Fender exactly knew the J's weak point, but its tone was astonishing enough to bear a little humming ... zillions a gigs and recording with a little hum prove he's right.
 
If holding it vertical is the answer to the hum, then surely the ultimate answer to life, the universe and everything, is 42 for the average human, but for every bassist/guitarist with a single coil pickup - to lie on their side whilst playing, thus allowing them to hold their bass vertically. Failing this, play fully wrapped in aluminium foil.

Apologies: being Australian, I just can't help spelling 'aluminium' correctly, and riding in kangaroo pouches.
 
... Apologies: being Australian, I just can't help spelling 'aluminium' correctly, and riding in kangaroo pouches.

In German we call it Alu ... and we are metric, certainly an advantage in tecs & specs. And yes, a former guitarist always checked stages for minimal humming and marked it with Gaffer tape and stood there like a statue then ...
 
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Shielding doesn't rob the high end at all. Or give me concrete solid proof of that, that's totally false to me

If you go back and read my post carefully you will see that I was talking about dummy coils and not shielding.

I've never found a dummy coil solution that didn't rob a little bit of high end from the tone...

Shielding might increase the capacitance in a guitar circuit which, in turn, might shave off a little treble content, but I've never heard this or found this to be the case.