Remembering the Legendary D-50 Synthesizer… Making its debut in 1987, the D-50 was the first fully digital synthesizer from Roland. Its Linear Arithmetic (LA) synthesis approach, which combines traditional subtractive synthesis with harmonically complex sampled (PCM) waveforms, proved to be a sonic breakthrough. And as the first performance synthesizer to integrate DSP effects, the Roland D-50 delivered instant studio-quality sounds to keyboard players around the world. Well ahead of its time, t