The best way to get these classic sounds today is through the Roland Cloud. Roland has captured the essence of their classic SRX expansion boards and legacy modules in modern, 64-bit VST3 formats. The "SRX KEYBOARDS" or "SRX ORCHESTRA" collections often contain the exact waveforms used in the original Super Quartet. How to Install the 1.52 Version (Legacy Systems)
(Note: As this software is discontinued/legacy, links are often hosted on third-party archives. Always scan downloaded files with your antivirus software before installing.) edirol super quartet vst 152 download link
host archival collections (such as the "Edirol Plugin Collection") for preservation purposes. Roland - Global Technical Features of v1.52 The best way to get these classic sounds
You will likely need jBridge . It’s a cheap (and essential) utility that "wraps" old 32-bit plugins so 64-bit DAWs can read them. How to Install the 1
If you find that the Super Quartet is too buggy for your modern system, consider these modern equivalents that carry the same "Roland DNA":
They often release "vintage-style" VSTs that mimic this exact era of workstation sounds.