A Premium-quality Phono Stage
Melding exquisite warmth and musicality with outstanding flexibility, the SPL Phonos leverages SPL’s VOLTAiR 120V technology and an RIAA filter in the legendary Douglas-Self design to ensure true, accurate vinyl playback. The MM/MC switch ensures flawless compatibility with both moving magnet and moving coil cartridges, bolstered by selectable Capacitance and Impedance. Additionally, the Gain switch ensures ideal amplification, and the Subsonic switch minimizes low-frequency artifacts. You also get a rear-panel Audio Ground. Boasting top-grade circuit boards with through-hole technology, the Phonos is a superb phono stage guaranteed to thrill discerning vinyl enthusiasts everywhere.
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Precision controls for the discerning vinyl aficionado
The Phonos offers support for both moving magnet and moving coil cartridges, selectable using the MM/MC switch and complemented by selectable Capacitance and Impedance. The 3-way Gain switch makes achieving the perfect level easy, while the Subsonic switch makes short work of attenuating any unwanted low-frequency crackle. Finally, the Phonos showcases premium gold-plated RCA connectors, and you get a versatile Audio Ground connection.


VOLTAiR 120V technology: the foundation of the sound
Every aspect of the Phonos’s performance traces back to SPL’s VOLTAiR 120V technology, the audio circuitry behind the company's flagship Professional Fidelity series. While most audio components run at an internal voltage of plus-or-minus 15 volts, VOLTAiR runs at plus-or-minus 60 volts. That extra headroom translates to a maximum input level of 32.5dBu, a full 12dB above the industry standard, keeping every component well within its optimal range no matter how demanding the source. The result is greater dynamic range, an exceptional signal-to-noise ratio, and the effortlessly relaxed sound character SPL is known for. Powered by SPL’s proprietary 120V SUPRA operational amplifiers and a shielded toroidal transformer in a fully linear power supply, the Phonos reaches a level of analog performance that simply isn’t possible at conventional operating voltages.
SPL: supercharged audio products
Formed in Germany in 1983, SPL — Sound Performance Lab — has been at the forefront of the pro audio industry since its inception. From the renowned Transient Designer, TwinTube, and Vitalizer MK2-T to professional mastering tools such as the Passeq, SPL gear is found in top studios and mastering facilities worldwide. After developing proprietary 120V Technology in the ’90s, SPL decided to make this groundbreaking invention the heart of its high-end products. SPL meticulously crafts its equipment in its Niederkrüchten, Germany–based factory using discrete, top-drawer components and through-hole circuit designs. There, the company conducts its R&D, which includes real-world subjective listening tests and stringent bench testing to the strictest tolerances. Sweetwater is proud to offer audio professionals SPL’s distinguished lineup of innovative products.

SPL Phonos Features:
- A premium-caliber phono preamp exuding warmth and musicality
- VOLTAiR 120V technology operates at +/-60V for 12 dB more headroom than conventional designs
- RIAA filter in the legendary Douglas-Self design ensures true, accurate vinyl playback
- MM/MC switch facilitates flawless compatibility with both moving magnet and moving coil cartridges
- Selectable Capacitance and Impedance provide flawless cartridge matching
- 3-way Gain switch ensures ideal amplification
- Subsonic switch minimizes LF artifacts
- Premium gold-plated RCA connectors
- Versatile Audio Ground connection
- Top-grade circuit boards with through-hole technology