Roland Corporation is a leading manufacturer and distributor of electronic musical instruments, including keyboards and synthesizers, guitar products, electronic percussion, digital recording equipment, amplifiers, audio processors, and multimedia products.

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The Roland U-20 is a PCM-sample synthesizer, released by Roland in 1989. [2] It was the keyboard version of the U-220 rack module, which was in turn a similar follow-up product to Roland's U-110 rack module of 1988.

Your One Stop Resource For The Roland U-20 Keyboard - Patches, Tones, Utilities And Information. Also, tidbits of useful info for the U-110, U-220, D-70, Rhodes Model 660 and Rhodes Model 760 UPDATES ARCHIVE.

And here's one of the classic early ROMplers, the Roland U-220. The U-220 is the successor to the original Roland U-110, and it's the rack version of the U-20 synthesizer.

The U-20 is a an early rompler and the successor to the Roland D-10. Its sound engine is based entirely on sampled waveforms, which processors and memory had finally advanced enough to support as a synth engine in the late 1980's. It competed with the more successful Korg M1 from the same time period.

And here's one of the classic early ROMplers, the Roland U-220. The U-220 is the successor to the original , and it's the rack version of the U-20 synthesizer. Both instruments came out right after the world-famous had raised the bar quit...

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U-20 (1989-1992) Owner's Manual: https://www.roland.com/us/support/manual_archive/ SOUND GENERATOR:RS-PCMMAXIMUM POLYPHONY:30...