If I want to add some smaller neodymium magnets as bucking magnets on a midwoofer with a ferrite magnet, where would I place the neodyms, and with which polarity, to achieve the strongest field-increase in the airgap?
I know that a ferrite bucking magnet the same size as the original magnet should be attached just above the original magnet, with opposing field direction. So I guess I could attach the neodyms the same way, above the original magnet and with opposing field direction (they reject each other).
But maybe it would be better to place the small neodyms right at the center of the pole piece, with the same polarity (attracted to the pole piece), so that the field from the neodyms point directly up into the pole piece.
What do you think?
I know that a ferrite bucking magnet the same size as the original magnet should be attached just above the original magnet, with opposing field direction. So I guess I could attach the neodyms the same way, above the original magnet and with opposing field direction (they reject each other).
But maybe it would be better to place the small neodyms right at the center of the pole piece, with the same polarity (attracted to the pole piece), so that the field from the neodyms point directly up into the pole piece.
What do you think?
I think if you are trying to increase the gap strength, it won't be called a "bucking magnet", as a bucking magnet is an additional magnet oriented with the polarity opposite to the existing magnet, used to "buck" (cancel) the magnetic field the original driver is emitting outside the gap..