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Wiring Ruby's P90s in Series?


Spamonkis

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Ruby is my awesome late model Casino. I have done a lot of mods to her (Grovers, TUSQ nut, Gotoh Nashville bridge, and most recently, a Bigsby B70). She plays and sounds great, but I just can't leave her be. Tonight, I had the thought of adding a push-pull pot for series/ parallel pickup wiring. This is something I am easily capable of doing myself, but before investing the time and effort, I thought I might ask if anyone has tried this and what they thought of the results.

 

God bless, Spamonkis

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Well, if you have any experience of soldering, then all you need to do is look up a wiring diagram... It's as easy as followinga road map. There are some great links to diagrams in the sticky thread called useful information, and look up the DIY thread link.

You will also find useful info about removing and fixing controls in hollow body guitars, which can be fiddly.

I wish you luck with your tone quest.

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Well, if you have any experience of soldering, then all you need to do is look up a wiring diagram...

 

Yea, I know how to do it, I've wired a lot of guitars. I'm actually a bass player and I did this to a Jazz bass a few years ago. I'm really just wondering about the usefulness of the sound of series wired P90s. I really never use the series position on the J-bass because it is too honky and nasal sounding for bass, even for Jacoish soloing.

 

You will also find useful info about removing and fixing controls in hollow body guitars, which can be fiddly.

 

From what I have read, you need to tie strings to the pots before you remove them so you can pull them back into place when you are done. I'm sure it will be a pain, that is why I'm looking for some encouragement about the outcome before I commit.

 

Thanks for the reply, Spamonkis

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I've wired my P-90 guitars with a push-pull for series (LP, SG, and Casino). Great idea. Gives you more 'beef' and volume for solos. Since Epiphone and Gibson are putting push-pulls for coil cut on a lot of HB models these days, they really should add a push-pull for series on P-90 models. While you're at it, add a 2nd push-pull for phase, which is especially nice when combined when linking the PU's in series.

 

A great option for HB's is spin-a-split. You take the two wires that are normally taped off together, and use them to make the tone pot into a volume pot for one of the coils. That lets you dial in how much you want of the 2nd coil you want. Instead of all-or-nothing (one coil or two) you get many increments in between. That's the unbalanced coil effect (part HB sound, part single coil sound) that made the original PAF's sound so good. No extra parts needed and only takes a few minutes to do.

 

I also wire all my guitars for independent volume controls, so I can blend the amount of each PU I want, in the middle toggle position.

 

Between spin-a-split and independent volume controls (using the stock parts), you open up many new tones. Throw in a couple push-pulls for linking the PU's in series (which can be done with both SC's and HB's) and phase, and you have a very versatile guitar.

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Thanks, I think I will go ahead with it now, and add a phase switch while I'm at it. I had not considered that before, out of phase pickups are useless on a bass, but it may be interesting for Ruby.

 

God bless, Spamonkis

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