Converting From Active to Passive Pickups

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Converting From Active to Passive Pickups

Postby ampig » Mon Jun 22, 2009 7:53 pm

I have an 80's Fender P Lyte Deluxe with active pickups. In general, what's involved in doing a swap out to passive pickups?
Howard

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Re: Converting From Active to Passive Pickups

Postby Sloom » Mon Jun 22, 2009 8:04 pm

I'd imagine you need to consider that all your new components are mated nicely. You want the new pickups to interact with the correct value pots, etc. for the sound you want. Maybe the pots that are in there now are still okay with the new passives you get... if it's the p'ups that are active and there's not actually an active preamp circuit in there, that is.

I would gut the harness and p'ups and get all new.

Another, more expert answer will come along! I should've stayed off it, but I'm sure I'm on the right track here.
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Re: Converting From Active to Passive Pickups

Postby ampig » Tue Jun 23, 2009 3:59 am

The bass has a 3 band eQ and I'm assuming a preamp. I guess I'm also assuming that the pickups are active That's what the web pundits on the BGRA say anyway.
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Howard

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Re: Converting From Active to Passive Pickups

Postby spideyjg » Tue Jun 23, 2009 6:33 am

Wire the split coil straight to the jack and you can easily determine if the pickups are active.

You may need to gut it due to the reasons Sloom pointed out. Looks like a nice hunk of wood.

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Re: Converting From Active to Passive Pickups

Postby Sloom » Tue Jun 23, 2009 12:38 pm

spideyjg wrote: Looks like a nice hunk of wood.

Jim


Yeah, all you need is a couple nice stickers on that baby, you're all set. [smilie=grinning-smiley-044.gif]
"Whatever we do, it is what it is, and we do it".
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Re: Converting From Active to Passive Pickups

Postby ampig » Tue Jun 23, 2009 3:14 pm

Actually that's just a pic I grabbed off Google. Mine looks just like it though
Howard

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Re: Converting From Active to Passive Pickups

Postby Sloom » Fri Jun 26, 2009 12:55 pm

I'll never get used to a Fender without the pickguard. Even Jaco's Jazz was a "garage" bass to me! But it's still got mojo I guess. Don't mean to wax superficial... anyway as soon as it's plugged in nothing else matters. That's why I have a Peavey and an Ibanez Roadstar, and neither of those have a lot of popular visual mythology about them. But I plug 'em in and it's all over... [smilie=music-smiley-005.gif]
"Whatever we do, it is what it is, and we do it".
-The Grubs.


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Re: Converting From Active to Passive Pickups

Postby hoytbasses » Fri Jun 26, 2009 12:59 pm

Wire the split coil straight to the jack and you can easily determine if the pickups are active.



those are great basses! A friend of mine has one and as I recall the preamps in them are noisy. We batted around removing the preamp but he decided not to.



I think you can wire those p/u's passively, which is probably a good thing since finding another pickup to fit the bridge pickup will be a challenge....... You'll need 250k or 500k pots rather than the pots in the circuit , (which are probably 50k linear) but they're only a few bucks to replace: then you can keep the entire active wiring circuit as a whole in case you want to switch back. If you've never wired before , I'd say leave well enough alone , but if you do know how to wire, it's an easy switch, assuming that they're already passive pickups .
There's nothing Passive about Passive pickups!
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Re: Converting From Active to Passive Pickups

Postby ampig » Tue Jun 30, 2009 4:00 am

Tanx Mr Hoyt. I'm thinking I can just put 2 single coil J pickups under the existing humbucker cover.
Howard

"That's no surprise, kids are too cool for tort" - aussiemark
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Re: Converting From Active to Passive Pickups

Postby Sloom » Wed Jul 01, 2009 9:06 am

ampig wrote:Tanx Mr Hoyt. I'm thinking I can just put 2 single coil J pickups under the existing humbucker cover.


You'll have to cut off the screw-tabs that end up between the two J p'ups, and Epoxy or Superglue them together. It'll take some tinkering, but I figure it's very do-able. Set aside an afternoon and turn the phone off... [smilie=cool-smiley-031.gif]
"Whatever we do, it is what it is, and we do it".
-The Grubs.


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