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In Reply to: RE: PAR and John, could you possibly tell me the wire size for a typical coil. posted by alaskahiatt on September 27, 2016 at 17:57:42
I suppose you are referring to the diameter of the wire used in the coils. I don't know the typical wire size. However, the specs for the newest Audio Technica AT-ART1000 cartridge state that it uses 20-micron diameter wire wound with 8-turns for each coil.
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Follow Ups:
If I am doing this right, .02 microns is equal to 52 gauge wire!That picture is great for seeing how the coils are situated by the magnets in order to induce the small stereo voltage.
Edits: 09/27/16 09/27/16
You have a typo. The wire diameter is 20-microns = 0.02-mm. However, you are correct about the gauge. A 20-micron diameter wire is 52-gauge wire.
PAR is correct that this Audio Technica cartridge is a special cartridge. Therefore, other moving coils might have different diameter wire. I don't know the typical diameter of wire used in moving coils, but the ones I've viewed under a microscope have exceptionally small diameter wire.
Good luck,
John Elison
nt
Sorry for being late to the party but my router failed :-(
Just to mention that Ortofon wind coils with wire as thin as .015 microns. Also the picture kindly posted by John Elison is of a very unusual cartridge (the AT ART 1000) and the placement of the coils and magnets is unique and is not representative of any other cartridge. The picture is great for your original question as it clearly shows the tiny size of wire involved.
nt
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