What to do with these inductors, they're guitar pickups.

Started by petemoore, April 23, 2010, 09:28:24 PM

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petemoore

  I thought of running my guitar signal through a box with an inductor in it.
  My wah pedal works good, something about the guitar pickup made it appeal to me as a possible component in some kind of guitar effect beside wah.
  Anyone have luck using a guitar pickup as an effect component ?
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earthtonesaudio

A guitar pickup is a rather huge inductor.  Someone here will have better numbers, but I think a few Henries is normal.  Tweak whatever other components accordingly.  :)

Paul Marossy

Quote from: earthtonesaudio on April 23, 2010, 09:59:01 PM
A guitar pickup is a rather huge inductor.  Someone here will have better numbers, but I think a few Henries is normal. 

Yes, that is correct. Good luck trying to do anything useful with them.

Quackzed

i could see setting up some sort of inductor/pickup rig with a pickup you could slide closer or farther away from the inductor for some pickup saturation effects. maybee drive the inductor with a hot 386ed signal? or something that could exaggerate whatever good you get out of it...
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Ripthorn

You could make it part of a graphic eq and just make sure it is part of the right band.  I know Mesa's graphic eq's tend to call for some large inductors (if I remember right).  Could also use it as part of like a varitone type thing.
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Paul Marossy

Quote from: Ripthorn on April 23, 2010, 10:51:05 PM
You could make it part of a graphic eq and just make sure it is part of the right band.  I know Mesa's graphic eq's tend to call for some large inductors (if I remember right).  Could also use it as part of like a varitone type thing.

I've never seen an inductor larger than 1H in an inductor based graphic EQ. Guitar pickups are several Henries.

Ronsonic


I'll go measure some loose coils tomorrow. Assembled they're usually a few Henrys? Henries? whatevers. But that's with polepieces and magnets and stuff acting as a core. I don't know what they measure as air core inductors, it'll be less and it's easy to dewind them if they're still too big.

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birt

you could make a box with a small 386 based amp driving a small speaker (or maybe a couple so you can split the signal and do different things with high and low) and attach a small piece of metal to the speaker domes. then place the pickup next to the speaker in that box and use that as the output to other effects or your amp. you're still using the pickup as a pickup, but it might be a cool effect.
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MarcoMike

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gmoon

A workable filter circuit could be designed around a 3 or 4 Henry inductor.

But the DC resistance for a pickup (~5K average) is pretty high for a decent Q factor. I doubt you'd be impressed with the results.

Paul Marossy


dschwartz

i think you could make a pickup simulator with it, since if you add it to the signal chain (right after the guitar) it will interact with the guitar coils, for example, if you had a single coil, if you put other single coil in series, maybe it will give a response similar to a humbucker..
or if yoiu have a humbucker, and you put the spare coil in parallel, it will sound closer to a single coil..

i´m assuming that the inductance/capacitance/impedance/resistance of the spare coil will interact with the guitar PU´s, i think maybe it will.
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