Alesis Quadrasynth Synthpedia

The Alesis Quadrasynth is a 76-key, 64-note polyphonic [2] PCM sample-based digital subtractive synthesizer first introduced in 1993. It was Alesis's first major foray into synthesizer production. Function. In the Quadrasynth's composite synthesis system, up to four "tones" are used to create a single "patch" or synthesizer sound.. The QuadraSynth was introduced in 1993 by Alesis, and it was their first major synthesizer.It's a 64-voice, 76-key digital synthesizer that also came in a rack-mountable version: the S4 Sound Module. It had a whopping 16 MB of sample ROM, and was the first synth to offer the ADAT Optical Digital interface.

When Alesis launched the original Quadrasynth in early 1994, it was met with a mixed reception; the supremely high sound quality and huge 64‑note polyphony was an obvious bonus, but the piano sounds didn't quite cut it, and the lack of resonant filters meant that the pallette of available sounds erred on the side of being 'safe' rather than.. The Quadrasynth was the first synthesizer produced by Alesis and is named for the synthesis engine, which allows up to four 16-bit PCM waveforms to be combined into a single sound. Although it has 64 notes of polyphony, it should be thought of as 64 "tones" of polyphony, since using multiple waveforms in a patch reduces polyphony by a.