Quadraspire Q4 Evo Wood Series 4-gang volume control using a

4-gang volume control using a custom Tokyo Koon Denpa conductive plastic resistor fader from high-end professional mixers

extremely low microphonics

mathematical averaging

Auto-switching input

Quadraspire Q4 Evo Wood Series 4-gang volume control using aThe Quadraspire Q4 Evo is a modular hi fi rack system engineered to reduce resonance and lower the noise floor of any audio system built from solid bamboo ply shelves with solid (not tubular) aluminum columns and feet, designed without parallel lines, and configurable to any shelf height from 100mm to 326mm. Every shelf holds up to 80kg. Design Philosophy What you place your equipment on affects how it sounds. The Q4 Evo addresses this through three