Nabla size 1.45 MB  /  1.48 MB  /  1.87 MB  /  1.84 MB The Nabla simulates the KORG Delta String DL-50 strings synthesizer from 1979. Paraphonic synthesizer and strings sections: up to 64 voices polyphony. Synthesizer section: 4 band-limited frequency divider-driven signal generators. ...