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Post by ChrisK on Aug 23, 2006 20:59:40 GMT -5
This is a setup that used two humbuckers. I've always wanted to do a SD JB/Jazz combo, but wanted the flexibility to realize all coil combinations. I chose an alder Tele body along with a 1 7/8" nut neck for the delivery vehicle. The choice of alder may be too bright, but that's why we invented tone controls. Each pickup has a series/single/parallel switch, and a 4PDT phase toggle to switch all four wires to maintain humbucking configurations in combination w/ the other pickup (of course, when one has both coils engaged and the other has only one, it's at best "half-humbucking"). The basic structure of the switching is as follows: 1. Bridge 2. Special, see below 3. Bridge + Neck 4. Bridge * Neck 5. Neck Special (with both pickups in series) means: With both polarities in reverse: Bridge outer/screw * (Bridge inner/slug coil coil + Neck inner/slug coil coil) * Neck outer/screw coil. [Boc*(Bic+Nic)*Noc] With both polarities in reverse: Bridge inner/slug coil * (Bridge outer/screw coil + Neck outer/screw coil) * Neck inner/slug coil. [Bic*(Boc+Noc)*Nic] This is realized with reversing the magnet in the neck pickup to have the normal single coil modes be based on both slug or screw coils. There are two phase switches to allow the selection of either pickup to have either its screw or slug coil as the single coil primary, as well as out of phase sounds. The special structure only occurs when both pickups are selected for series. When one (or both) are selected for parallel or single coil, it gets real GeGoofy Blendy, Q.E.D. It's a work in progress as I haven't vetted all possible combinations, but it feels "flexibly goofy" enough for me.
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Post by UnklMickey on Aug 25, 2006 17:52:27 GMT -5
...[Bic*(Boc+Noc)*Nic]... Chris, these configurations will either be really stoopid (i mean that in a good way)........................or really stupid. i can't predict which. but the whole notion of it is intriguing. doing inner / outer HB combinations by flipping magnets has the added advantage of having like types (both screw or both slug) coils. but, putting aside that advantage, HB inner /outer coils can also be accomplished by turning the pickups so that both are oriented the same (screw coils pointed in the same direction). changing the "stack" electrically (ie one using a red/white series link the other using black/green), can sometimes help in the logistics of the connections. you've really been working overtime with these schematics. i'm still digesting them. thanks, unk
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Post by ChrisK on Aug 26, 2006 19:52:21 GMT -5
Ya, but them there SD's gots "Seymour Duncan" a'written on them.
Regarding the "special mode" (pos 2),
PEEL SLOWLY AND SEE! (Lou Reed for Q.E.D)
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