The MLPB-1 is a MIDI-based controller board that works simultaneously with LED-illuminated push-buttons and another MIDI device such as a pedalboard scanner (MKSC-4A). It is designed especially for use with organ consoles used to control Hauptwerk virtual organs via MIDI and is compatible with Hauptwerk versions 3 and 4.

Up to 128 switches with LEDs can be controlled in groups of eight. The push-button LEDs are controlled by the MLPB-1 from MIDI data returned from the organ control system computer. Incandescent lamps can not be used because of the time-division multiplexing system.

Board type MLRT-1 should be used for lighted rocker tabs.

The MIDI-Through connector allows other MIDI-driven devices to be used in order to reduce cabling. This output is simply a duplicate of the MIDI-In signal. The MLPB-1 may be mounted by either clips or screws and does not require any special cooling.

MLPB-1 Brochure: View | Download

MLPB-1 Wiring Schematic: View | Download

MLPB-1 Installation Manual: View | Download

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