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Post subject: pickup identification and any schematics
Posted: Thu Mar 31, 2011 6:04 am
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Right can anyone help me here? I'm new to the whole upgrading and retrofitting and stuff so bare with me if I say anything stupid please.....
I got an 83 2 knob Strat a few years back from a friend of a friend and, all arguments about whether this model is any good aside, it has done me proud for that time but I decided to put some new pickups in since that is probably one of the things that gets criticised the most. I decided to get a 57/62 for the bridge, fat 50s for the bridge and a CS 54 for the neck just seemed nice for my style of playing.
I took the pickguard off and realised that the pups have probably already been replaced at some point already. Is there any way of identifying them. The bridge and neck both have the number 016730 with a wee white squiggle/signature and the bridge has the number SD 2 87 with a white sticker that either has IR or 1R printed on it. Does anyone know what these could be and are they the original pickups? I just wondered cos the bridge has the black and white cloth covering while the others have blue and white tiny plastic coverings.
ALso does anyone know where I can get the schematics for this guitar, I found the Strat JR on this site but it seems to be wired differently to this....could just be a custom job done on my guitar....but I want to do it right as it's my first real attempt at this.
pic is a bit blurry but I think you will get the idea. ANy advice for a novice would be greatly appreciated guys. Cheers
Evan
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Post subject: Re: pickup identification and any schematics
Posted: Thu Mar 31, 2011 6:40 am
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pappawookee wrote:
...The bridge and neck both have the number 016730 with a wee white squiggle/signature and the bridge has the number SD 2 87 with a white sticker that either has IR or 1R printed on it. Does anyone know what these could be and are they the original pickups? I just wondered cos the bridge has the black and white cloth covering while the others have blue and white tiny plastic coverings.
ALso does anyone know where I can get the schematics for this guitar, I found the Strat JR on this site but it seems to be wired differently to this....could just be a custom job done on my guitar....but I want to do it right as it's my first real attempt at this.
pic is a bit blurry but I think you will get the idea. ANy advice for a novice would be greatly appreciated guys. Cheers
Evan
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Welcome!

The pickups with the number 016730 are the OEMs. The white squiggle is the initial(s) of the winder.

The "SD 2 87" / "1R" pickup is a Seymour Duncan SSL-1 RW/RP pickup. I presume this is in the middle position and was installed so that when this pickup was joined with either of the other two (positions 2 or 4 of the pickup selector switch), they would become humbucking.

Here's your schematic:

http://www.seymourduncan.com/support/wi ... s_1v_1t_5w

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Post subject: Re: pickup identification and any schematics
Posted: Thu Mar 31, 2011 6:56 am
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Cheers for that Martian. I'm laughing cos I decided to buy an SSL 1 for a Dave Gilmour type setup in an old Squier I have....oh well.
The SD is actually in the bridge position and I notice in the schematic (thanks so much for that btw) that the black wires all go to the pot from the pups whereas in mine, the SD black wire goes to the selector and the white one goes to the volume pot.......have I been risking blowing myself up for these past few years????

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Last edited by pappawookee on Thu Mar 31, 2011 3:38 pm, edited 1 time in total.

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Post subject: Re: pickup identification and any schematics
Posted: Thu Mar 31, 2011 7:52 am
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pappawookee wrote:
Cheers for that Marian. I'm laughing cos I decided to buy an SSL 1 for a Dave Gilmour type setup in an old Squier I have....oh well.
The SD is actually in the bridge position and I notice in the schematic (thanks so much for that btw) that the black wires all go to the pot from the pups whereas in mine, the SD black wire goes to the selector and the white one goes to the volume pot.......have I been risking blowing myself up for these past few years????


Nah, there' nothing in a typical guitar's circuit that will fry you. As a matter of fact, that Duncan may just be wired correctly when teamed with the other two pickups. See, that SSL-1 is RW/RP to other Duncan pickups and SOME Fenders as Fender pickups' winding and polarity directions have flip-flopped over the years. So, if you wire the SSL-1 with the wires reversed of the way it is now and when teamed with an OEM you get a hollow, nasal, weaker sound, then you know (believe it or not) that the pickup was wired correctly as it is now.

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Post subject: Re: pickup identification and any schematics
Posted: Thu Mar 31, 2011 10:00 am
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cheers again,
out of interest, both the pots are 250k, is there any merit in changing them? Like I said new to this lark and although I have all my pickups I am still 'bracing' myself for the whole switching everything over like what pots, what difference is there in using different capacitors etc.......

So many questions, wish I had found this forum a couple of years back!

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Post subject: Re: pickup identification and any schematics
Posted: Thu Mar 31, 2011 10:22 am
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pappawookee wrote:
cheers again,
out of interest, both the pots are 250k, is there any merit in changing them? Like I said new to this lark and although I have all my pickups I am still 'bracing' myself for the whole switching everything over like what pots, what difference is there in using different capacitors etc.......

So many questions, wish I had found this forum a couple of years back!


There is no merit to changing the 250K pots unless there is something wrong with them. Further, 250K pots are best for the pickups you have in your guitar.

Different value pots affect the overall timbre of the pickups they are teamed with. Although there are no "in-stone" absolutes in this area, 250K pots are best for typical single coil type Strat pickups whereas 500K pots are best for full sized humbuckers. As with any 'conventional wisdom' regarding this topic, there are plenty of exceptions to this rule.

Different value capacitors filter out different amounts of treble from the circuit. With your particular set of pickups, a .047 microfarad capacitor would be the best choice. Just like pot values, this is a 'conventional wisdom' where here too, there are plenty of exceptions to this rule.

You keep firing away with the questions and we'll keep firing away with the answers!

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Post subject: Re: pickup identification and any schematics
Posted: Fri Apr 08, 2011 12:05 pm
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OK I'm sure this has been debated over and over but, having decided to change the capacitor in my Strat from .022 to .047, what is the best type to get?
I have an old paper and oil one in my toolbox that came with some old tubes, but I know some folks swear by Orange drops.........any suggestions?
I'm going to be using a 57/62 in the bridge, a fat 50s in mid and a CS 54 neck if that makes any difference to what would be best.........cheers guys.






edited due to probably the worst case of spelling errors in one sentence I have ever done...... :shock: :roll:

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Post subject: Re: pickup identification and any schematics
Posted: Fri Apr 08, 2011 4:47 pm
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pappawookee wrote:
OK I'm sure this has been debated over and over but, having decided to change the capacitor in my Strat from .022 to .047, what is the best type to get?
I have an old paper and oil one in my toolbox that came with some old tubes, but I know some folks swear by Orange drops.........any suggestions?
I'm going to be using a 57/62 in the bridge, a fat 50s in mid and a CS 54 neck if that makes any difference to what would be best.........cheers guys.

edited due to probably the worst case of spelling errors in one sentence I have ever done...... :shock: :roll:


If you plug directly into a tube amp, go with the paper and oil. Otherwise, either one is fine.

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Post subject: Re: pickup identification and any schematics
Posted: Sat Apr 09, 2011 11:09 am
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Can I ask why paper and oil is better with tubes....? I think I will put that in my guitar.

What about bumblebee, vitamin q etc?

Although I don't have a 'proper' tube amp, I have a valve junior with the frommel upgrade, my summer project is for me and a mate to disect an old marshall lead 30, fender performer 650 and a 50s tube radio to see if there is any possibility of creating some sort of 'pseudo twin' monster........ :)

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Post subject: Re: pickup identification and any schematics
Posted: Sat Apr 09, 2011 3:13 pm
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pappawookee wrote:
Can I ask why paper and oil is better with tubes....? I think I will put that in my guitar.

What about bumblebee, vitamin q etc?

Although I don't have a 'proper' tube amp, I have a valve junior with the frommel upgrade, my summer project is for me and a mate to disect an old marshall lead 30, fender performer 650 and a 50s tube radio to see if there is any possibility of creating some sort of 'pseudo twin' monster........ :)


Yes, you can.

This is a non-technical answer to your question: The oil and paper capacitor allow the truest unaltered signal of the guitar's circuit to pass through to the amp while at the same time, repelling outside interferences which can and do creep in and alter the circuit's signal. The oil is in fact, the insulator and the repellent. In an amp, the oil also keeps the capacitor cool.

The other types you've mentioned use dry insulators which although effective, are usually made from rare earth elements that can and do affect the purity of the circuit's signal. Many players enjoy these alterations depending on which specific brand(s) are personally appealing. Naturally, these dry type capacitors cannot keep themselves cool in an amp either.

Taking it one step further, the chief reason I singled out going direct into tube amps vs. all else is simple: Using preamps such as foot pedals, amp overdrives, etc. are all obviously for the purpose of altering the purity of the guitar circuit's signal. So, aside from a premium capacitor reliably bleeding off highs to ground at fixed intervals (which is the chief purpose of any capacitor in this context), oil caps are superfluous.

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Post subject: Re: pickup identification and any schematics
Posted: Sat Apr 09, 2011 4:47 pm
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Gotcha!!!
8)
Martian...I definitely dig!! :D

Many thanks again for your wisdom.

PLus it now means I can just get going with the rewire and don't have to wait till Monday till the stores open......woohoo!!!
:D :D :D

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Post subject: Re: pickup identification and any schematics
Posted: Sat Apr 09, 2011 6:16 pm
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pappawookee wrote:
Gotcha!!!
8)
Martian...I definitely dig!! :D

Many thanks again for your wisdom.

PLus it now means I can just get going with the rewire and don't have to wait till Monday till the stores open......woohoo!!!
:D :D :D


Glad to enlighten!

Enjoy!!

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Post subject: Re: pickup identification and any schematics
Posted: Wed Apr 13, 2011 8:39 am
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Right capacitors again......

Havinf FINALLY gotten round to finishing my Strat I have noticed the paper & oil cap I have lying around is actually a .022 not a 047. Should I change it anyways or does it not make a huge difference and just leave it till I get the .047??

Cheers

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Post subject: Re: pickup identification and any schematics
Posted: Wed Apr 13, 2011 9:01 am
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pappawookee wrote:
Right capacitors again......

Havinf FINALLY gotten round to finishing my Strat I have noticed the paper & oil cap I have lying around is actually a .022 not a 047. Should I change it anyways or does it not make a huge difference and just leave it till I get the .047??

Cheers


Go with the .022. You'll have absolutely no problems with it.

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