Roland JD-990 Super JD

The Roland JD-990 Super JD is a digital synthesizer and sound module released by Roland in 1994. It is a rack-mounted version of the Roland JD-800 synthesizer. It is a powerful and versatile synthesizer that has been used by many artists, including Nine Inch Nails, The Prodigy, and The Chemical Brothers.

The JD-990 features a powerful sound engine with 16-part multitimbrality, allowing for complex and layered sounds. It has a wide range of synthesis capabilities, including PCM samples, analog-style subtractive synthesis, and wave-shaping. It also features a variety of effects, including reverb, chorus, and delay. The JD-990 also has a built-in sequencer and arpeggiator, allowing for complex and dynamic patterns. Additionally, it has a variety of inputs and outputs, allowing for integration with other instruments and sound modules.