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two with no hum

 
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jonah65
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Joined: 16 Oct 2010
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Location: weymouth, uk

PostPosted: Mon Nov 15, 2010 2:56 pm    Post subject: two with no hum Reply with quote

evening all, just wondering why the 3rd (middle) pickup is needed on a strat to cancell the hum of the mains frequency, but you don't need the middle pickup on a tele?
i want to rig up a scratchplate for a strat with just a neck and bridge pickup, will i definately get the unwanted hum?
cheers jonah.
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JuniorEnthousiast
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PostPosted: Tue Nov 16, 2010 11:19 am    Post subject: Reply with quote

You don't need the middle pup for hum cancelling. I think you're confusing 'middle position' with 'middle pup'.
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Wozob
I only know 3 chords


Joined: 14 Mar 2010
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Location: Rijswijk, The Netherlands

PostPosted: Tue Nov 16, 2010 12:07 pm    Post subject: Reply with quote

Hum cancelling occurs when you use two single coils, one with reverse magnetic polarity. The middle pickup on a strat usually has this reverse magnetic polarity, so hum cancelling should only occur in positions 2 and 4. Middle pickup in combination with either the neck or the bridge pickup.

I dont think it would still sound like a Tele, but you could use a reverse polarity neck or bridge pickup and only use the middle position.
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jonah65
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PostPosted: Tue Nov 16, 2010 1:51 pm    Post subject: Reply with quote

thanks for your replies guys, just to get this bit right i don't want my strat to sound like a tele
i still don't get it , if like you say the hum cancelling only comes into play in positions 2 and 4, when the middle pickup is in parallell with either the bridge or neck pickup on a strat, why do you not get hum in position 2 on a tele when the bridge and neck pickups are in parallel? or are all tele neck pickups reverse wound?
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Dave_Mc
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PostPosted: Tue Nov 16, 2010 2:02 pm    Post subject: Reply with quote

if you're not getting hum in the middle position on a tele, one of the pickups is reverse wound, yeah.
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jonah65
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PostPosted: Tue Nov 16, 2010 2:43 pm    Post subject: Reply with quote

aaaah, i get it, cheers guys.
just never realised teles used one reversed wound pickup.

anyone wanna buy a spare single coil strat pup.
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Dave_Mc
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PostPosted: Tue Nov 16, 2010 5:14 pm    Post subject: Reply with quote

I don't think vintage ones did, but most modern ones probably do. Most pickup winders will give you the option of reverse-wound or non-reverse-wound.

But yeah, basic gist is as long as you have two single coil pickups, if they're wound the opposite way, they'll cancel the hum in the pickup positions where both pickups are on.
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jonah65
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PostPosted: Wed Nov 17, 2010 12:56 pm    Post subject: Reply with quote

thanks dave, what do you know about series switching, is it possible using the 5 way switch with a 2 pickup arrangement, i've been scratching my head trying all the permutations, but can't quite get there?

cheers jonah.
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householdsaint
I only know 3 chords


Joined: 20 Oct 2010
Posts: 18
Location: Canada

PostPosted: Tue Nov 23, 2010 8:12 pm    Post subject: Reply with quote

7ender USA made a model like what your describing as far as pickup config! They are called 7ender Lead Series. This is an example of a Lead II. It has a 3 way pickup selector, and a 2 way phase inversion switch. The phase inversion is only active when the 3 way is in the middle position! (Both Single Coils)

Here's a vid explaining it all!
http://www.youtube.com/watch?v=v2MjihfbeMc&layer_token=50df96e2a4bef967

Here's a pic of the underside of the guard!
http://i1224.photobucket.com/albums/ee368/householdsaint/FenderLeadIIOriginalityProofPhotos043.jpg

These are actualy 7ender X-1 pickups!

Hope this helps!
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householdsaint
I only know 3 chords


Joined: 20 Oct 2010
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Location: Canada

PostPosted: Tue Nov 23, 2010 8:17 pm    Post subject: Reply with quote

Here's a pic of the body and full guitar!

http://i1224.photobucket.com/albums/ee368/householdsaint/SunflowersBobsLeadIIFinished108.jpg

http://i1224.photobucket.com/albums/ee368/householdsaint/SunflowersBobsLeadIIFinished092.jpg

http://i1224.photobucket.com/albums/ee368/householdsaint/FenderLeadIIOriginalityProofPhotos047.jpg
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jonah65
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Location: weymouth, uk

PostPosted: Wed Nov 24, 2010 1:36 pm    Post subject: Reply with quote

sounds preety funky, looks like a dpst switch on-on-on for the pickups, and a dpdt for the phase switch?
looks cool with just two pickups as well.
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