7 Sting Hum Magnet Length

[TheGrateOz]

Hello Masters of the Pickup Universe...

I am looking to make a 7 string humbucker for my Ibanez Universe.

Looking at Mojo, I can find everything but the magnets. The standard 6 string mags are 2.44" long. I don't think this will work for a 7 because the field will not make it to the outer slug/screws. Does anyone know where I can get a proper magnet for this setup or at least how long it should be?

Thanks!
Oz

[salvarsan]

Normal string spacing is about 10mm.

After the necessary units conversions, I calculate a 2-7/8" long magnet.

It may be easier to use several smaller magnets.

[Mike McCardle]

I've gotten them from AllStar Magnetics - but I ordered a bunch so I'm not sure if you can get just one. You can just add/epoxy a 1/4" piece of your magnet of choice to the end of the normal sized magnet too. When you magnetize the 2 pieces together it will be the same as having a long magnet as magnetic circuits do not need the conectivity that electrical circuits do.

You can also do something like have a treble side of the magnet as an AL2 and the bass end AL5.... I think that would sound pretty good.

[TheGrateOz]

That's great Mike, I really like that idea. Thank you!

Now, the golden question. What is the best way to cut one of these buggers? (Alnico5)

[TheGrateOz]

I found a previous thread that covered my question... Thanks again

Cutting Alnico Magnets?

[Rick Turner]

7 stings must really hurt...

[David Schwab]

7 stings must really hurt...

How about 9 strings? I made a pickup for this guy a few years ago. Yes, it's a guitar.