Magnets in tonearm effecting cartridge?
Hi , I'm looking at ideas for making my own tonearm , and am interested in the use of magnets as in the Schroeder and the Graham Phantom and Dynavector , all of which use strong magnets in various ways . However , on buying a few strong magnets I find that they can effect each other over quite long distances ,I can make a little button magnet twitch and spin more than a foot away by turning another magnet through a small arc . If this is happening , why doesn't the magnetic field from the damping magnet in each of these these tonearms effect the very sensitive magnetic field in the cartridge , which is only 9 inches away ? Particularly with the moving magnet cartridge , I would have thought. Any ideas?
Hi , I'm looking at ideas for making my own tonearm , and am interested in the use of magnets as in the Schroeder and the Graham Phantom and Dynavector , all of which use strong magnets in various ways . However , on buying a few strong magnets I find that they can effect each other over quite long distances ,I can make a little button magnet twitch and spin more than a foot away by turning another magnet through a small arc . If this is happening , why doesn't the magnetic field from the damping magnet in each of these these tonearms effect the very sensitive magnetic field in the cartridge , which is only 9 inches away ? Particularly with the moving magnet cartridge , I would have thought. Any ideas?