acoustics
- The Harmonic Series and Overtones: Why Notes Have Timbre
Every musical note contains a stack of overtones at whole-number multiples of its frequency. Learn the harmonic series and how it shapes timbre and intervals. - How Loudspeakers Work
From amplifier current to sound pressure: the moving-coil driver, why cabinets matter, crossovers, and the physics that limits every speaker no matter its price.