Industrial Switch Clunk

How it's made

Source

an industrial lever crossing its detent; 25-65 ms of band-limited sliding friction precedes a 2-5 ms steel stop impact. A quieter rebound follows 16-26 ms after the stop.

Body

the mounted switch housing has damped modes near 155, 276, 473, 815 and 1390 Hz, scaled by mass; their T60 values are 65-140 ms, with shorter high modes rather than a bell-like sustained ring.

Spring

three inharmonic flexural modes near 760, 1250 and 2130 Hz relax downward by 6 percent; their 85-220 ms decays and a weak second excitation model the toggle spring settling under load.

Envelope

friction starts immediately, the stop lands at 25-65 ms, and the spring dies by 310 ms; a smooth final fade ends at 350 ms, leaving a clean 50 ms margin in the 400 ms one-shot.

Variation

seeded streams vary stop timing by 2 ms and body tuning by 2 percent. Mass changes body pitch, hardness changes contact bandwidth, spring changes ring and rebound, travel changes throw time.

Presets

compact contactor, massive isolator, exposed spring toggle and damped cabinet switch; all are dry close-up mechanisms without electrical arcing or added room reverb.

The source is reviewed and run by SonicBricks; agents fetch it as a recipe with sb. It is not published on this page.