Yamaha PS-55 multitracked demo @acreil
Yamaha PS-55 multitracked demo  @acreil
Uploaded May 2016 | Updated September 2026, 1 day ago
Full album here: acreil.bandcamp.com/album/panchromatic-window
Streaming link: distrokid.com/hyperfollow/acreil/panchromatic-window

Renoise demo file here: acreil.wordpress.com/2020/01/12/renoise-demos-from-panchromatic-window

Yamaha PS-55 with Ibanez SDR-1000 reverb, 4 tracks total. The album version is remixed with additional overdubs.

The PS-55 (1983) and related models (PS-25, PS-35, PC-1000, CN-1000, MR-1) were part of the first line of fully digital Portasound keyboards, replacing the semi-analog PS-10, PS-20 and PS-30. I was actually surprised to find that it's completely digital (aside from the chorus), as I'd assumed the solo section used an analog VCF like the PS-30. It turns out that the filter-like effects (mainly on the Fantasy and Funny tones) are actually created by sophisticated wavetable crossfades.
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Yamaha PS-55 multitracked demo

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