Guitars and Pickups > GK-13 Reference Library

VG pickup switching Options / Modifications

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HAMERMAN409:
Ed,

I really like your pickup switch idea and am considering doing the same.

I understand how this all works out when using a Strat model. How does the selector behave when using something else like a Les Paul model with a 3-way switch. Ideally it would be something like positions 1 or 2 give you the neck pickup, 3 gives you both and 4 or 5 gives you the Bridge pickup.

Thanks,
Dave

musical_edmond:
Dave,

Yes it's close to that.  Actually 1 or 2 give the neck, 3 or 4 give both and 5 gives the bridge so it's fairly similar.  The main thing is that positions 1, 3 and 5 give what you would expect from a LP switch.

Ed

HAMERMAN409:
Excellent! I think I will give it a shot.

guitarnstuff:
I have been thinking about the possibilities of adding such a 5 way switch control to my guitar so that I have more indication of which pickup position I am in when playing live. I play a Carvin AE185 and I love the feel of the neck and the sound of the pickups, but find I am not using the mags as much if at all as nothing bets the VG99s sounds AND total absence of pickup noise in single coil positions. I would also like my volume control for the VG99 to be located where the guitar volume control is located.  Therefore, I started to consider how to make a dedicated VG99 controller guitar that works more traditional as far as controls and operator feel is concerned. But I didn't want to have to do deep electronic mods to the GK or VG99 that were over my head and undoable. Therefore, I have thought up the following and putting onto a Carvin Bolt (strat copy) along side a GK3Internal Kit. The 5-way switch modification you described AND an additional pot for tone control. I would like use a category 5 cable (ethernet cable) to carry the current for the 5-way switch and the additional pot, both of which would plug into the Roland FC300 expression jacks. Thus in the end I would have the pot from the internal GK for volume plus to assignable switches and then a pot for assigning to tone run to the FC300 via cat5 cable and the 5-way switch resister array you described also runing to the FC300 via the Cat5 cable.  I would need to make some can of junction box on the FC300 end of the cat5 cable to split the connectors back to stereo 1/4 inch plugs to insert in the expression jacks. I would tape the 13 pin roland cable and this cat5 cable side by side.

Therefore I have two questions.

1) Can you please post a schematic of the 5-way switch and resistor mod?
2) Do any of you anticipate issues with running the controller current down a Cat 5....such as hum or noise. I wouldn't think so because it is not a guitar signal path. Thoughts?

guitarnstuff:
Anyone with some electronic knowledge, please help:

I have been thinking about how to make switching pickups easier and more visual on the VG99. I like the idea of using the expression pedal to switch between the pickup settings. I have tested this and it works if the controll parameters in the VG99 are set right.... but was thinking it would be really cool to have a five-switch momentary footswitch array with LEDs to indicate pickup switch location that would emulate the resistance of the EV5 at various positions. So for example, if there were five switches arranged left to right you could push the one on the left to emulate the EV5 resistance corresponding to the front pickup and a LED would help you know which is selected, then if you wanted to select the rear+center you would push the second switch from the right which would emulate the position of the EV5 that would trigger the VG99 to have the pickups at rear+center and a LED would light to help you remember what is selected. I could definately build this but I am not sure how to engineer the thing...it seems like it would require logic switches or relays or something. Anyone have some guidance? It would be greatly appreciated.

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