Tuby8 !!top!! -

: Before dropping in the new TUBY8 coil, use a piece of folded masking tape to clean any debris or burnt copper fragments out of the magnet's gap.

: This is a coil of wire suspended within a magnetic field. When an audio signal (electric current) passes through the wire, it reacts with the magnet to move back and forth. : Before dropping in the new TUBY8 coil,