A demoscene classic gets a new kind of soundtrack: Niv Singer built a pair of hard drive “speakers” using four 500GB Western Digital Caviar drives, driving coils for vibration, splitting left/right channels with crossovers, and syncing platter spin to the beat
A familiar piece of demoscene history is back in motion—but not with ordinary audio hardware.
Second Reality, the legendary 1993 release by Future Crew that won Assembly 1993 for its technical and artistic mastery, is getting a “spin” in an unexpected setup. Niv Singer decided to run the classic demo through a sound system that treats hard drives as the instruments.
The idea starts with what hard drives are built to do—and what they aren’t. Hard drives are designed for storing data, not acting as speakers. Still, Singer pulled apart a whole stack of drives to repurpose them. The principle is straightforward: feed audio to the coil driving the head. and the head assembly vibrates and wiggles. pushing soundwaves into the air.
It’s an approach that doesn’t chase realism. The result isn’t particularly effective. Volume is limited, and the frequency response is described as terrible—but that’s presented as part of the point.
Singer didn’t stop at the hack, though. Four Western Digital Caviar 500GB drives were chosen for the build—two assigned to the left channel and two assigned to the right. Each channel includes a crossover, so one drive handles low frequencies while the other handles higher ones. The system also gets a visual rhythm: the platters spin with the beat, using PWM tricks to make that happen.
For anyone who wants to look under the hood, files are on GitHub. And if you just want to hear the payoff, there’s a video included—embedded below.
hard drive speakers Second Reality Future Crew Assembly 1993 Niv Singer Western Digital Caviar 500GB PWM demoscene GitHub