RG 2820 pickup switch to Evo wiring - Jemsite
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post #1 of 3 (permalink) Old 02-21-2012, 04:31 AM Thread Starter
Join Date: Aug 2009
Posts: 3
RG 2820 pickup switch to Evo wiring

I just replaced the stock dimarzio/ibz bridge pickup from my Ibanez RG 2820 with a Evolution dp159, but the original wiring is different then the suggested Dimarzio wiring. My RG has an 3 way pickup selector witch 12 poles in the back. I placed a picture from the original wiring.

The thing is that the stock pickup was wired : red connected to green to switch ,white alone to switch and black to ground. See picture below , upper pickup wire is bridge. It looks like the JPM wiring but not just the same

| | | |
| | | |

BRIDGE: red&green to 3
white to 9
black to ground

NECK: red&green to 12
white to 2
black to ground
7&8 together to ground
5&6 together to volume 1st pole

I wired the Evo pickup the same way as the old one, but the tone is not really what I expected, it sounds good, but not that typical Evo sound.
Can someone explain to me how this 12 pole switch works and how I should wire it according to the suggested wiring, red hot, black white together and green to ground. Where should I put the red on this switch? And should I also rewire the stock neck pickup if I do so?

Final question, I found out that I bought a normal spaced Evo where I should have an f spaced one, the outer poles are 1,5mm inside the strings, does that seriously affect the tone or just a minor volume issue?

I would have posted a picture but I am not allowed to do so....
http ://db.tt/7WzDyXBA
This is the link to my picture... Maybe someone else can link this? ( plz remove space)

Last edited by DaChosen1; 02-21-2012 at 12:47 PM.
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post #2 of 3 (permalink) Old 02-21-2012, 05:59 PM
Join Date: Dec 2010
Location: Chicago, IL
Posts: 475
Re: RG 2820 pickup switch to Evo wiring

You have it wired correctly. The evo just might not sound good in that guitar. The JPM and yours are basically achieving the same thing in a slightly different way. Don't worry about the colors being a little different.

In the neck position 1 2 3 4 are connected to 5 6 7 8
In the bridge position 9 10 11 12 are connected 5 6 7 8
In the middle position 9 2 3 12 are connected to 5 6 7 8

These switches can vary a little in what terminals it connects in the middle position, though. You can check it with a multimeter.

Last edited by xXLinkageXx; 02-21-2012 at 06:08 PM.
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post #3 of 3 (permalink) Old 02-22-2012, 06:40 PM
Join Date: Jan 2003
Location: Colorado
Posts: 1,383
Re: RG 2820 pickup switch to Evo wiring

Originally Posted by DaChosen1 View Post
Final question, I found out that I bought a normal spaced Evo where I should have an f spaced one, the outer poles are 1,5mm inside the strings, does that seriously affect the tone or just a minor volume issue?
This has been discussed to death, some say you HAVE to get F-spaced, some say you don't, some insist they can hear a difference, others can't hear any...

I did some very crude tests with an oscilloscope many years ago using an F-Spaced Evo Bridge and a standard spaced Evo Bridge. Both gave very similar outputs and voltages when a pure tone (sine wave) was induced through the p/up.

Put the regular in my old RG520, checked output waveform and voltage output using an e-bow that had spacers on it so it would be consistent and recorded the results, did the same with the F and the variation in output was within what I saw when a sign wave was played through the pup.

So, based on this simple test, and the fact that I can't hear any difference, I go with the F-Spaced only for aesthetic reasons, but if I only have a regular spaced P/up, that doesn't stop me from putting it in.
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dimarzio / ibz pickups , evo , rg 2820 , wiring

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