The SoundFont 2.0 spec (from 1996) lacks:
: Many 2021 SF2 packs include samples from the ASR-10 library, which the original TS-10 was famously capable of loading. Key Features of the TS-10 SF2 Format Ensoniq Ts-10 Soundfont -sf2- 16 [2021] ensoniq+ts10+soundfont+sf2+16+2021
Understanding the original hardware helps in identifying high-fidelity soundfonts: Report: Ensoniq TS10 Soundfont (SF2) 2021 Review Why