Yamaha PLG150-AP

Yamaha PLG150-AP 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 has been used by many professional musicians, including Herbie Hancock, Chick Corea, and John McLaughlin.

The PLG150-AP works by plugging into the expansion slot of a compatible Yamaha synthesizer. It adds additional voices and effects to the synthesizer, allowing for more complex sounds and textures. It also adds a variety of real-time control features, such as pitch bend, modulation, and aftertouch. Additionally, it has a built-in arpeggiator and a variety of effects, including reverb, chorus, and delay.