The Ortofon SPU White Box is a specialized phono cartridge designed for use with the SPU N variant. It features a robust design that emphasizes fidelity and sound quality. The cartridge is known for its warm tonal characteristic and ability to produce a rich soundstage, making it a preferred choice among vinyl enthusiasts. The SPU White Box utilizes a moving coil design, which is particularly effective in delivering dynamic sound reproduction and detail across various musical genres. Typically, it has a frequency response that ranges from 20 Hz to 25 kHz, with an output voltage around 0.25 mV at 1 kHz. The internal impedance is usually in the range of 5 ohms, allowing it to integrate well with low-output phono preamps. The stylus is generally of a specialized design that tracks the grooves of vinyl records accurately and minimizes distortion. The mounting system is compatible with standard tonearms, ensuring a straightforward installation process. Overall, the Ortofon SPU White Box is appreciated for its blend of performance and acoustic richness, tailored for audiophiles seeking exceptional playback from their vinyl collections.