DiMarzio Forum
DimarzioForum.Com => The Pickup Place => Topic started by: PunchRockgroin on June 25, 2018, 06:16:20 AM
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I've pulled 2 X2Ns from a HH guitar to put into an HSH guitar with an SDS-1 in the middle. I liked the X2N in the neck only position when it was wired parallel, but want to try the Vai wiring so it still splits the coils in position 4 and don't know if it's possible. I do have a push pull pot I can use if needed. Would this take a superswitch to wire this way?
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I don't see why it can't be done although having a push pull might make it easier on the wiring. I'm on the road right now so I'm not able to draw up a diagram for you. I'll see about doodling it on a napkin or something later.
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You definitely cannot do the regular coil tap with a 2 level 5 way switch when the pickup is in parallel - doing the split in addition would kill the output. So you will need either an additional push-pull pot or a 4 level 5 way switch (aka Super Switch).
Cheers Stephan
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You should be able to manage something with a 5-way.
Check the wiring diagrams at guitarelectronics.com or call DiMarzio tech support and ask them.
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+1 to a 4-pole, 5-way such as the Oak Grigsby superswitch.
Let’s first omit the push/pull as an option:
Achieving this with a standard Ibanez/Cor-Tek VLX912A20 Jem/RG switch that grounds the humbucker series connection in positions 2 and 4 would require that 5 and/or 1 draw signal from two contacts each, with one of the pair being the contacts that 2 and 4 send to ground. In a 2-pickup guitar, the 2502N switch typically gives you this option in position 2 or 4. Unfortunately, that switch’s capability to incorporate a third pickup is very limited.
Because of this unusual switching requirement, you require either a 4-pole, 5-way or custom-built switch.
Now: With a push/pull, you can use a VLX912A20 switch and achieve what you’re describing, but you will need to toggle the push/pull according to whether you want a. Parallel humbucker in position 1 or b. Split neck/middle in position 2. This is because the push/pull is toggling between whether or not switch position 1 draws its signal from the humbucker series connection. Selecting split neck/middle while the push/pull has the humbucker coils in parallel will end up only giving you the middle pickup by itself, due to grounding the signal from both of the parallel-joined coil-starts, rather than one when they are separate leads in normal operation.