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Guitar Discussions -> How do I wire this...
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How do I wire this... - Rev. J. Toad - 23:24 01-12-05
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Heya folk. I've got a Dimarzio HS-3 in my Strat's bridge, and without
getting into the entirety of how I want to set this up, I basically
want to add a three-position switch that selects both coils at one
end, one of the coils in the middle, and the other coil at the far
end.
I've got a three position switch that, as far as I can tell, should be
able to do this - it's got two rows of four terminals on it and three
positions. I'm a bit fuzzy, though, as to how to do it. What I'm
wondering is whether there's a site with a wiring diagram for doing
this.
In a nutshell, what I want to do is take the basic strat wiring and
then have two extra switches besides - one turns on the neck pickup,
and the other does the switching of the HS-3 as outlined above. With
these switches in place, I'll have noiseless bridge, neck & notches -
I figure this will work nicely, because the top coil of the HS-3
cancels hum with the mid pickup (which is actually the neck pickup - I
swapped the mid and neck). The bottom coil should cancel with the neck
pickup, and the beauty of it is that the bottom coil cancels hum but
doesn't make its presence known too heavily when combined with another
pickup, so the upshot should be a fairly clean neck sound.
Currently I've got it setup with a two-position switch that turns off
the bottom coil, giving me noiseless bridge and notch positions. I've
been having a lot of fun messing around with these guts, but the
copper spaghetti for this latest mod I wanna try is a bit daunting for
my amatuer's brain. Any help anyone can offer is appreciated.
"Fighting crime by building more jails is like fighting cancer by building more cemeteries." - Paul Kelly
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Re: How do I wire this... - harryj - 09:23 02-12-05
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"Rev. J. Toad" <jpaskarukSP@Mhotmail.com> wrote in message
news:hhivo151emskf89h4dla6ck4ie79rqlvb2@4ax.com...
> Heya folk. I've got a Dimarzio HS-3 in my Strat's bridge, and without
> getting into the entirety of how I want to set this up, I basically
> want to add a three-position switch that selects both coils at one
> end, one of the coils in the middle, and the other coil at the far
> end.
>
> I've got a three position switch that, as far as I can tell, should be
> able to do this - it's got two rows of four terminals on it and three
> positions. I'm a bit fuzzy, though, as to how to do it. What I'm
> wondering is whether there's a site with a wiring diagram for doing
> this.
>
> In a nutshell, what I want to do is take the basic strat wiring and
> then have two extra switches besides - one turns on the neck pickup,
> and the other does the switching of the HS-3 as outlined above. With
> these switches in place, I'll have noiseless bridge, neck & notches -
> I figure this will work nicely, because the top coil of the HS-3
> cancels hum with the mid pickup (which is actually the neck pickup - I
> swapped the mid and neck). The bottom coil should cancel with the neck
> pickup, and the beauty of it is that the bottom coil cancels hum but
> doesn't make its presence known too heavily when combined with another
> pickup, so the upshot should be a fairly clean neck sound.
>
> Currently I've got it setup with a two-position switch that turns off
> the bottom coil, giving me noiseless bridge and notch positions. I've
> been having a lot of fun messing around with these guts, but the
> copper spaghetti for this latest mod I wanna try is a bit daunting for
> my amatuer's brain. Any help anyone can offer is appreciated.
>
>
> "Fighting crime by building more jails is like fighting cancer by building
> more cemeteries." - Paul Kelly
----------------------------------------
You could have the bottom coil cancel automatically when combined with the
middle using a standard 5 way or perhaps a 4 pole 5 way
http://www.guitarelectronics.com/product/WDUHSH5L1101
Or you could use a DPDT on/off/on switch to have coil 1, both, coil2. for 2
separate pickups. or use 2 separate SPDT's 1 for the neck and 1 for the
bridge. I use this a lot with side by side 'buckers.
http://www.guitarnuts.com/wiring/sw3.php
Sounds like you may be the type who may like some of the sick wiring
diagrams on the gear page of my site as well. Mostly created by wiring guru
Carlos Lorenzo.
Harry Jacobson
www.harryj.net
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Re: How do I wire this... - boardjunkie - 11:26 02-12-05
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You have to be careful with HS3s. They use a dummy coil, so only one
coil is actually useable. Your only options are hum cancelling, and
split (dummy coil grounded).
Because of that, if there is a polarity conflict the rest of the p-ups
must be reversed because the dummy coil is not an active coil.
Now are you saying you want to use the HS3's dummy coil with other
p-ups? If that's the case, I don't recommend it as it would likely
reduce the output to unuseable levels. The active coil on a HS3
measures in at around (IIRC) 21k ohms compared to a regular single coil
at ~6k or so.
Not sure if I'm getting the drift of what you wanna do tho.....
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Re: How do I wire this... - Rev. J. Toad - 13:14 02-12-05
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On 2 Dec 2005 08:26:05 -0800, "boardjunkie" <boardjunkie@techie.com>
wrote:
>You have to be careful with HS3s. They use a dummy coil, so only one
>coil is actually useable. Your only options are hum cancelling, and
>split (dummy coil grounded).
That makes sense - When I first got the guitar, the lack of hum
cancelling in br-mid annoyed me, so I wired up the other coil and in
keeping with what you said, nothing came out. :>
So, I swapped the mid and neck and added a switch to kill the bottom
coil, which got me humbucking in bridge and the usual notch positions.
Now, I want the same thing, except with the option to turn on the
dummy coil with the neck pickup as well, which unless I've got my
theory wrong, should basically give me hum cancellation with the neck
as well, with perhaps a minor change in sound.
Let me know if there's a problem with my thinking. I thought I had the
wiring for this figured out, but I wired it up last night and it's now
behaving rather strangely - I'm gonna pull it open again later today
and try to figure out where I blew it.
>Because of that, if there is a polarity conflict the rest of the p-ups
>must be reversed because the dummy coil is not an active coil.
>
>Now are you saying you want to use the HS3's dummy coil with other
>p-ups? If that's the case, I don't recommend it as it would likely
>reduce the output to unuseable levels. The active coil on a HS3
>measures in at around (IIRC) 21k ohms compared to a regular single coil
>at ~6k or so.
>
>Not sure if I'm getting the drift of what you wanna do tho.....
"Fighting crime by building more jails is like fighting cancer by building more cemeteries." - Paul Kelly
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