is an ingeniously vintage-circuit-inspired Richard Nicol/Pittsburgh Modular original.
As the reader might already know, ring modulation is a signal-processing electronic function: an implementation of amplitude modulation or frequency mixing, performed by multiplying two signals.
This beloved other-worldly, warm, and at times clangorous colouring dates at least as far back to Bode's Melochord of 1947 technology, which was ultimately licensed to Robert Moog in the early 1960s. Of course analog maestros Don Buchla, and Lord Tom Oberheim made their indelible marks, with circuitry culminating—to our ears—in the brilliantly rhythmic, and wildly expressive Yamaha CS-80 Ringmod's sonic alchemy and "Electone" informed controls.
Back at the Modstar Ranch: The SCI FI
's outputted ring-modulated signal is the sum and difference of the frequencies present in each waveform—a signal rich in partials—often producing a haunting, bell-like, metallic, and sometimes softly grinding, understated modulation awash in harmonic and non-harmonic tones. S.E. brought its own brand of dynamic
ModMax Pedal-flavoured Ringmod to the world in 2002.