Yamaha PLG150-DR

Yamaha PLG150-DR is a plug-in board for Yamaha synthesizers. It was designed to expand the capabilities of Yamaha synthesizers by adding additional voices and effects. It was used by many professional musicians, including Herbie Hancock, Chick Corea, and John McLaughlin.

The PLG150-DR works by connecting to the Yamaha synthesizer via a MIDI connection. It then adds additional voices and effects to the synthesizer. It has a variety of features, including a 16-voice polyphony, a wide range of effects, and a variety of sound banks. It also has a built-in arpeggiator and a variety of modulation options.