All
images and text copyrighted and property of Greg Gagliano.
Bottom view of a modern
DeArmond Dynasonic pickup as used on post-1989 Gretsch
guitars.
Note the Alnico 5 pole pieces extend well past the bottom bobbin.
Bottom view of a DeArmond 2000 pickup as used on DeArmond guitars and
the Guild X-160 Rockabilly.
The pickup is constructed like a P-90 where the steel polepieces sit
between a pair of magnets placed below the bobbin.