Ensoniq Ts-10 Soundfont -sf2- May 2026

Leo smiles. “That’s it,” he whispers. “That’s the sound.”

In the winter of 1998, the air in the Los Angeles recording studio The Vault smelled of ozone, stale coffee, and ambition. Leo Focht, a 47-year-old sound designer with a hearing range that engineers swore defied physics, stared at the instrument that had consumed his last six months: an Ensoniq TS-10.

Sonic Foundry released the SoundFont on a CD-ROM in April 1999. It cost $99. It sold 400 copies. The reviews were tepid: "Too big for consumer sound cards," "The loops aren't perfect," "Just buy a used TS-10." Ensoniq TS-10 SoundFont -SF2-

He connected the TS-10’s main outs to the Pinnacle’s inputs. He disabled the noisy internal fan on his PC. At 3 AM, with the studio dark, he began. He loaded the TS-10’s legendary preset, “DreamPad” —a cavernous, evolving swell that used two Transwaves, one reversing, filtered through a resonant low-pass. He triggered a middle C, let it sustain for 47 seconds, and hit record. He did this for every note from C-2 to C-8. He did this for the "Stereo Grand Piano," the "Warm Strings," the "ResoBass." He filled a 4GB hard drive with raw, 16-bit, 44.1kHz stereo WAVs.

Leo’s mission, assigned by a boutique sample library startup called Sonic Foundry , was impossible: translate the soul of the TS-10 into the cold, sterile language of the SoundFont 2.0 (.SF2) format. Leo smiles

The SF2 format was a miracle of 90s programming. Unlike a simple sample dump, an SF2 file contained a complete virtual instrument: the raw audio samples, a voice-stealing algorithm, low-pass filters, LFO routings, and a multi-stage envelope generator. But the TS-10’s magic wasn’t in the raw waves—it was in the behavior : the way a flute sound would morph into a choir if you held the key down, the way aftertouch added not just vibrato but a subtle distortion, the way the “Funk” wave in the Transwave section would cycle through eight different attack transients depending on velocity.

Leo did the unthinkable. He bought a used TS-10 from a pawn shop on Santa Monica Blvd using his rent money. He spent 72 hours straight re-sampling. He survived on cold pizza and Jolt Cola. On the final hour, he triggered a low C on the "ResoReese" bass patch. The sound was a perfect, snarling, detuned monster. He saved the final SF2 file. Total size: 148MB. He named it . Leo Focht, a 47-year-old sound designer with a

The SF2 format allowed for up to 27 different modulators. The TS-10 had 16 real-time controllers. Leo spent two weeks just mapping the aftertouch to filter cutoff response. On the TS-10, it was exponential—a light touch added warmth, a hard squeeze added bite. In SF2, he had to build a piecewise linear curve. He failed. Then he failed again. Finally, he wrote a custom script in an ancient version of Python that brute-force calculated 128 breakpoints. At 4 AM on a Tuesday, he played the converted patch. He pressed down on his MIDI keyboard’s aftertouch. The sound screamed . He cried. Just a little.