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Post subject: scn wiring w/o S1
Posted: Fri Apr 24, 2009 10:49 pm
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I'm attempting to install SCN's (strat) in a guitar without the S1 mod, but with the standard 5 pole switch and 250k pots. My question is "What do I do with the Black and the Green wires"? Which is Ground and what do I do with the other one? Is there a wiring diagram showing this type of install? Can't find one anywhere.

Thanks.


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Posted: Fri Apr 24, 2009 11:48 pm
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There should be a regular wiring diagram in the resources part of this website...... also the black wire is supposed to always be ground ...... :)


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Post subject: scn wiring w/o S1
Posted: Sat Apr 25, 2009 7:19 am
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Thanks...yeah I know of the Black being ground and I do have a wiring schematic for the p/u's but it only shows the S1 mod but not for a "standard" 5 pole switch. It's the third wire, green, that I don't know what to do with. :?:

SloRydr


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Post subject: Re: scn wiring w/o S1
Posted: Sat Apr 25, 2009 10:54 am
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slorydr wrote:
Thanks...yeah I know of the Black being ground and I do have a wiring schematic for the p/u's but it only shows the S1 mod but not for a "standard" 5 pole switch. It's the third wire, green, that I don't know what to do with. :?:

SloRydr


It also is a ground wire.

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Post subject: scn wiring w/o S1
Posted: Sat Apr 25, 2009 12:44 pm
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Thanks, I figured :idea: it out and tied all the green and blacks together and grounded them to the volume pot. Seems to be working out ok now. :wink: SCN's are really a bright, harsh sound. Don't know if I care for the tone.


:D

Slorydr


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Post subject: Re: scn wiring w/o S1
Posted: Sat Apr 25, 2009 12:51 pm
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slorydr wrote:
Thanks, I figured :idea: it out and tied all the green and blacks together and grounded them to the volume pot. Seems to be working out ok now. :wink: SCN's are really a bright, harsh sound. Don't know if I care for the tone.


:D

Slorydr


You're quite welcome.

Even though they have a 'pedigree' type name to them, Samarium Cobalt is still, a form of ceramic/rare earth magnet. Hence, you will not get that 'sweet' tonality as if the magnets were alnico.

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Post subject: see i had a similar experience
Posted: Sun Oct 11, 2009 6:58 am
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I laso had a similar SCN experience without S-1, and am convinced they're not supposed to sound that harsh, there some last wiring left to do, but i don't know what that is, anyone who understands please help!!


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Post subject: Re: see i had a similar experience
Posted: Mon Oct 12, 2009 6:17 am
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jonah75 wrote:
I laso had a similar SCN experience without S-1, and am convinced they're not supposed to sound that harsh, there some last wiring left to do, but i don't know what that is, anyone who understands please help!!


Please specify exactly what additional wiring you are referring to but bear in mind what I've said above: These pickups have ceramic magnets and are not going to impart the 'warmth and sweetness' which alnico magnets provide. So, if you are looking for a certain way of wiring them to in essence, change their inherent tonality, there's no 'magic circuit' for that.

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Posted: Mon Oct 12, 2009 6:33 am
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Hi there Martian, thanks for replying, no I didn't mean any special wiring, and I know these magnets sound different, but what alarmed me was that the bridge and middle pickup position is more trebly and harsh than the bridge by a long shot, that can't be right.


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Posted: Mon Oct 12, 2009 6:40 am
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jonah75 wrote:
Hi there Martian, thanks for replying, no I didn't mean any special wiring, and I know these magnets sound different, but what alarmed me was that the bridge and middle pickup position is more trebly and harsh than the bridge by a long shot, that can't be right.


Jonah,

Glad to help.

Check your above statement where you've said, "the bridge and middle pickup position is more trebly and harsh than the bridge by a long shot". Do you mean, "...than the neck position by a long shot"?

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Posted: Mon Oct 12, 2009 12:49 pm
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Nope i really meant bridge, the 1 position being the bridge(closest to tremolo), and the 2 position being the bridge and middle pickup, the 2 position is more trebly than the 1 position, for real!, that can't be right, there has got to be something causing that, the question is ....what?


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Posted: Mon Oct 12, 2009 1:28 pm
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jonah75 wrote:
Nope i really meant bridge, the 1 position being the bridge(closest to tremolo), and the 2 position being the bridge and middle pickup, the 2 position is more trebly than the 1 position, for real!, that can't be right, there has got to be something causing that, the question is ....what?


OK, now I understand what you mean. The reason position #2 is more trebly and weaker is because when both pickups are on, they are wired in parallel. What parallel wiring does in this instance is to quarter the total DC resistance of both pickups and lowers the henries and the resonant peak of both as well. In plain language, this translates to the same as your observation: Two pickup activated together in parallel are of weaker output and more trebly than if either was on by itself. Couple this with the ceramic magnets which maintain the same pull on the strings regardless of the wiring configuration and the combined tone of the combined two pickups can present as downright anemic. The reason this condition is not so pronounced with the middle/neck combo is because (in plain language and sparing you all the technical sonic details) the closer a pickup gets to the neck, even if it is an identical one as used for a bridge pickup, the guitar itself assists more in adding to the bass, resonance and volume of the pickup. It has to do with freer string oscillation (vibration) where there is more energy being emitted off the guitar through the strings for the pickup to readily absorb faster and louder than if the pickup were nearer the bridge. Notice for example, if you strum your guitar acoustically over the bridge pickup and then identically do the same over the neck pickup. You'll clearly hear a difference. This is also why MANY exact model pickups are made nowadays with a SPECIFIC bridge or neck model, with the bridge model being the more powerful of the two.

As to what you can do about your problem, realistically speaking, there isn't much. You can either employ some sort of EQ or, and this would be more practical, replace the bridge pickup with something more powerful so that when you select position #2, the drop in volume and increase in treble wouldn't be as profound.

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