Astell&Kern SP4000T Copper

Astell&Kern SP4000T Copper The Astell&Kern SP4000T Copper is a range-topping audiophile player from Astell&Kern, offering high-end luxury and stunning performance, Astell&Kern has set the standard for perfect sound using the latest innovative technology with the A&ultima series. RAYTHEON JAN6418 Quad – A New Standard in Tube Configuration The SP4000T is the industry’s first DAP to feature MIL-Spec RAYTHEON JAN6418 vacuum tubes in a Quad configuration. Using a precision-matched, mirror-symmetry dual-tube design for left and right channels, it delivers exceptional clarity while cancelling noise and distortion. Each tube is individually measured and isolated within a multi-layer architecture, resulting in a perfectly balanced system that produces rich harmonics and deeply refined analogue sound.