Magnet Driver Boards:
Klingerorgan is now manufacturing magnet driver boards in the USA. (October 2014)
New for 2020, Combination driver boards.
Combination Boards are combined controller and drivers, built in 32 - 64 - 72 & 80 notes. Expansion socket allows custom configurations to 128 notes.
Modular concept is a Controller card that has the microprocessor and related MIDI IN and MIDI THRU sockets that provides the magnet driver cards with the information to turn on and off up to 128 ports. Modular magnet driver cards are built in 8 -16 - 24 - 32 note segments. The segments can be plugged together to make systems up to 128 notes. The controller card has both MIDI IN and MIDI Thru sockets and they can be chained for larger systems.
Each set can be user programmed to any MIDI note on any MIDI channel.