Replies to This Discussion

Permalink Reply by Don Thompson on November 15, 2010 at 1:36pm

I'm sure the inclusion of Aluminum was just an oversight.
Don



Wichita Sam said:

Why would your want to use one? cost and/or bass response....
How would your accomodate a six stringer with a 4 string pup? tune the 4 string pup into a "rail" pup by adding an appropriate length of Aluminum or steel over the top of the poles of the pickup....

been there done it, it works...

the best,

Wichita Sam



wes carl said:

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Permalink Reply by Don Thompson on November 16, 2010 at 12:49pm

Wes, What I mean is since aluminum is not magnetic it cannot be used to extend a magnetic field. Been there done that? Built an eight string lap steel using a six pole, but I used steel bar to create a wider field.
Don

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Permalink Reply by John Drake on November 16, 2010 at 1:40pm

Can also use a steel bar to create a narrower field. Use one of the cheap Ebay 6 string pickups, but instead of mounting at an angle on the top of the box, mount under the top with a steel bar of required width as shown in diagram below. If you want to engage all six poles then have wide base to bar and narrower top, but probably easier to just have the bar spanning across the centre 4 poles. You may have to experiment with how close bar is to the strings but I have found it works well with the normal space you would have between a pickup and the strings. Magnetism will hold bar in place. Regards John D

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Permalink Reply by Wichita Sam on November 17, 2010 at 5:07am

yea, thanks for the catch....


Don Thompson said:

I'm sure the inclusion of Aluminum was just an oversight.
Don



Wichita Sam said:

Why would your want to use one? cost and/or bass response....
How would your accomodate a six stringer with a 4 string pup? tune the 4 string pup into a "rail" pup by adding an appropriate length of Aluminum or steel over the top of the poles of the pickup....

been there done it, it works...

the best,

Wichita Sam



wes carl said:

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Permalink Reply by Johnny Debit on November 17, 2010 at 6:20am

Do you just let the magnets hold the steel bar in place vertically and the hole you cut in the box keeps it from moving around horizontally? In short, it just sits there in place on its own, right?


John Drake said:

Can also use a steel bar to create a narrower field. Use one of the cheap Ebay 6 string pickups, but instead of mounting at an angle on the top of the box, mount under the top with a steel bar of required width as shown in diagram below. If you want to engage all six poles then have wide base to bar and narrower top, but probably easier to just have the bar spanning across the centre 4 poles. You may have to experiment with how close bar is to the strings but I have found it works well with the normal space you would have between a pickup and the strings. Magnetism will hold bar in place. Regards John D

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Permalink Reply by John Drake on November 17, 2010 at 9:23am

That's right. I make the hole through the lid a tight fit for the bar (which is about 3.5 mm thick) and the magnets hold it in place anyway if the hole is a little oversize. Regards John D


Johnny Debit said:

Do you just let the magnets hold the steel bar in place vertically and the hole you cut in the box keeps it from moving around horizontally? In short, it just sits there in place on its own, right?

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Permalink Reply by Bluesheart on November 17, 2010 at 3:48pm

I love it John." Magnetism will hold bar in place." Brilliant. Thanks. I'm doing a mag. build for a friend and may have to try that out. Sure like the sleek custom/unusual look of the steel bar too. Any old steel bar will do? As long as it is magnetic right?
Thanks.

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Permalink Reply by Paul H (PRH) on November 18, 2010 at 5:02am

As far as the spacing part of this discussion goes one could mount the pickup on a slant (a la Strat) to line the poles with the strings.


wes carl said:

that was my question a few monts ago & had numerous people tell me they (4 pole ) sound great wit a 4 string cbg hope i didnt get too nutty it happens
Wes Yates said:

Hmmm. Lemme rephrase. What I mean is can you use the 4-string bass pup in lieu of a 6-string pup on a 4 string CBG? Matt mentioned the frequency response of a bass to 6 string pup. Is there any real measurable issue using the bass of 6 string pup?


-WY



wes carl said:

really why would ya want to use a 4 pole pickup for a 6 string git & yes it would work just not what it is meant for silly you grin chuckel laugh hoot or whatever
Don Thompson said:

The only problem would be spacing , some not being centered over a pole piece therefore being a weaker signal as a result.



Wes Yates said:

So lets say you use one of these:


"Ok, you use one of these!"

[Grin]

Enough sillyness. So could you use one of the two as a pup even if you use it for 6-string pickups? Very interesting.

-WY

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Permalink Reply by carverman on November 20, 2010 at 12:07pm

What???.. you are using two single coils and hoping to make a humbucker out of them?

Isn't one of the coils required to be RWRP (reverse wound/reverse polarity)?
Hmmm..must be some mojo majic in those coils then.
BTW..the pole pieces are extensions of the bar magnet and are suppose to be aligned with the strings because the strings become magnetized above the pickup in a N/S direction. The moving magnetized string then cuts the steady state magnetic flux in the coil and a weak a/c signal is generated. This is what Seth Lover (designer of the humbucker) mentioned and I went to lengths with a compass and a magnetized string using iron filings to prove that it is the case.
Wes Yates said:

So lets say you use one of these:


"Ok, you use one of these!"

[Grin]

Enough sillyness. So could you use one of the two as a pup even if you use it for 6-string pickups? Very interesting.

-WY

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Permalink Reply by Don Thompson on November 21, 2010 at 12:56am

These pickups are wound and magnets oriented to be in humbucker mode, or Noiseless as Fender calls them. No magic involved, just science.
Don

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Permalink Reply by carverman on November 21, 2010 at 4:51am

Ok then if they are wound as a stacked humbucker...otherwise one of the pickups need to be
wound reverse with the magnet oriented that way to achieve hum cancellation. I've used
SCs where the bridge p_up will be reverse wound with the magnet oriented in the opposite
polarity to achieve noise/hum cancellation.

As far as "magic" or "mojo"..there has to be some?..otherwise the custom pickup industry wouldn't
flourish like it has. Magnet types, strengths, coil winding techniques and perhaps other
"black arts" allow each pickup type to have a unique "signature sound".



Don Thompson said:

These pickups are wound and magnets oriented to be in humbucker mode, or Noiseless as Fender calls them. No magic involved, just science.
Don

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Permalink Reply by Don Thompson on November 21, 2010 at 6:41am

http://www.fender.com/products/search.php?partno=0992046000
They appear to be identical but they aren't. One is North polarity, one South polarity, one wound clockwise, the other counter clockwise. It clearly states they are humbuckers. According to legend, Billy Gibbons had copies of his favorite old PAFs duplicated by Seymour Duncan,these pickups are named Pearly Gates. They were measured electrically, magnets copied and then wound until they matched as closely as possible the originals. No magic involved, i can't find the article now but Billy refused to have them taken apart. But now he has backups in case the original PAFs crap out. These pro winders have it down to a science. They know how to get shimmering highs and low end grunt and it ain't magic. Good topic and conversation btw.
Don




carverman said:

Ok then if they are wound as a stacked humbucker...otherwise one of the pickups need to be
wound reverse with the magnet oriented that way to achieve hum cancellation. I've used
SCs where the bridge p_up will be reverse wound with the magnet oriented in the opposite
polarity to achieve noise/hum cancellation.

As far as "magic" or "mojo"..there has to be some?..otherwise the custom pickup industry wouldn't
flourish like it has. Magnet types, strengths, coil winding techniques and perhaps other
"black arts" allow each pickup type to have a unique "signature sound".



Don Thompson said:

These pickups are wound and magnets oriented to be in humbucker mode, or Noiseless as Fender calls them. No magic involved, just science.
Don

• ▶ Reply

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