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Post by sbgodofmetal on May 19, 2013 12:21:42 GMT -5
I've been searching on bing and google both and all I find is pictures of the pickups them selves, I need to know the cavity dimentions and string spread for the p90 pick up I have an up coming project building a dual p90 lpjr and instead of the p90s their wanting emg hz bass pick ups I have the string spread and pickup dimentions for the emgs but I can't find the p90 info. They. Appear to be the same size but id like to know definately before I begin Emgs- Dimetions1 1/2"x 3 1/2" String spread2 3/4 Any links to the info or info on them would be most appretiated. Here's the pickups he wants www.stewmac.com/shop/Electronics,_pickups/Pickups:_Bass/EMG-HZ_Bass_Pickup.html And here's the body guitarfetish.3dcartstores.com/mobile/home.asp?#page-25 |
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Post by sumgai on May 19, 2013 13:37:39 GMT -5
Well, sb, it's been awhile, hasn't it?  So what we wanna know is, you mention a LP Jr body, but you wanna install bass pups, is that correct? If this thing will still be used as a six-stringer, then how is string spread important? And if it's gonna be used for a 'mini-bass', then someone's gonna be in for a rude awakening. I'm thinking of how the standard bridge is gonna hold bass strings far enough apart, for starters. But I'd rather presume a bass pup going under six strings, so I repeat myself - what's the intended use for this axe, and how will it benefit by installing bass pups? As for P90 dimensions, you have a real problem here. By most accounts, there are at least three different types of P90, and each of them requires a slightly different route (cavity) size. And that's just the ones made by Gibson - the rest of the world goes off in their own directions, without trying to exactly imitate Gibson's P90 dimensions. Worse (for your needs), the same pickup may be found in guitars made by different companies or luthiers, but each maker used a slightly different template (jig) for the routing process. Of course, that means that measuring the cutout for each guitar will give you a different set of dimensions, which leads to a lot of head-scratching.  If GuitarFetish can't/won't supply you with their cutout dimensions in advance of a purchase, then you're just gonna hafta bite the bullet and buy it outright, then measure the holes when you get it in your hands. Only then can you be sure of what you need to do to accomodate the new pickups. But with a possible string spacing ranging between 1 13/16 th and 2 1/16 th inches, said new pups will probably not be simple drop-in replacements - some fitting work will be necessary, I'm pretty certain. HTH sumgai |
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Post by b4nj0 on May 19, 2013 15:26:52 GMT -5
In addition to SG's remarks, P90s from any particular manufacturer should display different string spreads (and winding resistances) for neck and bridge models.
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Post by cynical1 on May 19, 2013 21:48:47 GMT -5
Just out of curiosity, what's the reason for using the EMG bass pickup in this guitar? Is it just to have the high gain ceramic magnets?
And what everyone said previously covers most of it. I assume you don't have this guitar in front of you at the moment. As stated, if GF won't give you the specs, it's going to be a question of getting the Xaviere guitar, the EMG pickup and working it out once all the money has been spent.
I'd count on some surgery to make this work. P-90s can range from surface mount to a shallow route to allow adjustment of the pole pieces, or a slightly deeper route if they have a single bar magnet running under the baseplate. I don't believe GFS has a single bar magnet, but who knows what's on this guitar. You'll have to work out the physical size of the route, but EMG pickups have a routing template available. The depth for the EMG pickup routing is going to be custom since the LP Jr. has a wraparound bridge\tailpiece.
I'd bet dollars to donuts that the shape of the existing routed pickup cavity, if any, will be a nonstarter for what you'll need for the EMG. At least the odds are in your favor that you won't need to fill and re-route. So, if you're billing this out you'd better do it time and material and get a deposit on the rework labor.
Have fun.
HTC1
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Post by sbgodofmetal on May 20, 2013 16:36:03 GMT -5
.Well I figured out the string spread issue by reading up on the bridge specs and there would be ample room for play as to getting the positioning good espesially since the pickups he wants have bar ( or blade) pole pieces. As far as the body rout I checked the link I posted and at least on my end doent take you directly to the item but I copied the text in the description
Pretty much basic gfs marketing jargon, cheap price, lax of detailed info, downing other retailers, same old bla bla bla we've all seen and read from them. Although they do state spec info on electronic components (most of the time anyway). I digress...
As far as I could tell the choice for the emgs were to have a humbucker in there with the p90 look I told him about the dream 180s gfs has that will fit the rout but they wont be back in stock for another 6 weeks, and he didn't want paf styled mini buckers. I've sent a few messages to him concerning the capatability issue, but I won't have a reply for another 24 hours. If it were me personally id wait the six weeks save abig chunk of money ( and excedrin migraine pills )in the process.
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Post by sbgodofmetal on May 20, 2013 16:52:20 GMT -5
Well, sb, it's been awhile, hasn't it? So what we wanna know is, you mention a LP Jr body, but you wanna install bass pups, is that correct? If this thing will still be used as a six-stringer, then how is string spread important? And if it's gonna be used for a 'mini-bass', then someone's gonna be in for a rude awakening. I'm thinking of how the standard bridge is gonna hold bass strings far enough apart, for starters. But I'd rather presume a bass pup going under six strings, so I repeat myself - what's the intended use for this axe, and how will it benefit by installing bass pups? Yeah sg too long if ya ask me! And you presume correct bass pups on a six string from what I gather from the conversations with the customer he's a metal head and we all know us metal heads love emgs! I'm personally interested in using these on a 7 string lp I've got in the pipeline so if it does work for this why not? Carvin has a set of pups similar to these that work for 4,5, and 6 string bass, as well as their 7 and 8 string guitars I may try to persuade him to those their not as expencive either. |
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Post by newey on May 20, 2013 17:07:16 GMT -5
Heck, my P-Bass clone has a Strat pickup in it, so why not?  |
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Post by sbgodofmetal on May 21, 2013 16:31:04 GMT -5
Heck, my P-Bass clone has a Strat pickup in it, so why not? I've seen those online somewhere before for sale id be concerned about the string responce to those pole pieces though. |
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Post by newey on May 21, 2013 19:17:13 GMT -5
Hey, it's a bass. All it does is go "thump thump" anyway . . . ;D
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Post by cynical1 on May 22, 2013 0:32:46 GMT -5
Hey, it's a bass. All it does is go "thump thump" anyway . . . ;D I'll just make like I didn't hear that one, counselor... |
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Post by sumgai on May 22, 2013 9:38:55 GMT -5
Hey, it's a bass. All it does is go "thump thump" anyway . . . ;DHoly Jeebus, newey, no wonder you can't get it right - that's the bleepin' drummer makin' all that thumpety-thump racket! (He's probably dreaming about how when he grows up, he want's to marry Barbara Bach too!) Bass players are the ones that go "bzzz bzzzz bzzzz", like a drunk bumble-bee. But I gotta give bass players one thing - they don't drool nearly as much as drummers! HTH sumgai |
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Post by cynical1 on May 22, 2013 15:19:53 GMT -5
So...it's gonna be like that, huh...
I suppose I could just continue to yank this thread off topic by asking "How many guitar players does it take to cover a Stevie Ray Vaughan tune?" But then I'd have to explain it to you guy's by saying "Evidently all of them."
But we don't want to go there, do we?
HTC1
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Post by sumgai on May 22, 2013 15:57:42 GMT -5
I think it's Sleep Walk that takes the gold star for most often covered by other artists - - - 1600 and counting. But I could be incorrect, I haven't looked recently to see if that's still true.  BTW, gumbo still holds the record for most derailments by any one individual Nut, so yank away to your heart's desire! ;D |
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Post by sbgodofmetal on May 28, 2013 3:26:52 GMT -5
Hey, it's a bass. All it does is go "thump thump" anyway . . . ;D Gawd I've missed being on here for so long! That's about like me putting .100uf caps on the old p bass I used to have that thing rattled windows two blocks away. People with those subs in there cars were jelous of It. |
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