Roland JD-990 Editor and Librarian

Patch Base has the best Roland JD-990 editor and librarian available for Mac and iPad. Edit any parameter, organize patches, create random patches, and more.

The Roland JD-990 is a powerful multi-timbral synthesizer module capable of playing 7 voice parts and 1 drum kit at once. Patch Base gives you easy editing of every voice and drum parameter inside the JD-990, enabling you to harness everything this little box can do.

Voice Editor

Each Voice in the JD is comprised of 4 Tone layers, each with its own sample, pitch, filter, and amp envelopes, and LFOs. Additionally there are 7 effects units including chorus, delay, and reverb. Patch Base lets you control all of it:

Rhythm Editor

Design your own custom drum kits with Patch Base's Rhythm Editor for the JD-990. Only dedicated menu divers would want to do this without an editor, but with Patch Base, it's simple. You can design 61 separate drum sounds per setup:

Performance Editor

The Performance is where all the parts of the JD-990 come together. With Patch Base you can easily edit all 8 Parts:

Bank Editors

Edit and organize the 64 voice patches and 16 performances stored in your JD's memory. Patch Base gives you direct access to the banks, so you can organize patches and back them up to files on your device.

Patch Librarian

iPad

Download Patch Base for iPad free in the App Store.

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macOS

Patch Base runs on macOS 10.12 and higher. Download it here.

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