This is the "16" curse. A full 16-bit TS-10 bank with all 61 keys sampled across 30 instruments can be over . Older SF2 players (like the original Cakewalk) choke on files over 64MB.
The Ensoniq TS-10 is a 16-bit sound module that was released in the early 1990s. It was designed to provide high-quality sounds for music production, live performances, and multimedia applications. The TS-10 features a wide range of sounds, including pianos, keyboards, synthesizers, drums, and more. Its sound library consists of 16-bit samples, which provide a higher level of audio quality compared to earlier 8-bit sound modules. Ensoniq TS-10 SoundFont -SF2- 16