The Ortofon SPU #1 E is a moving-coil cartridge that is designed for use in high-quality audio playback systems. It features a spherical stylus tip, ensuring compatibility with a wide range of records while providing an engaging sound experience. The cartridge is constructed with a durable metal body, which contributes to its overall stability and resonance control. The SPU #1 E has a low output voltage, typically around 0.2 mV, requiring a high-gain phono preamplifier to achieve optimal performance. It is built to provide excellent tracking capabilities, especially on worn records, and delivers a smooth, warm tonal character with a focus on midrange presence. The recommended tracking force is typically around 3.0 grams, which aids in maintaining proper contact with the record surface. The mounting design of the SPU #1 E allows for straightforward installation in compatible tonearms, making it a practical choice for vinyl enthusiasts.