Phono Box S2 U ltra

Phono Box S2 U ltra (Phono Box S2 Ultra) in silver or black. High-performance, fully discrete, OpAmp-less phono preamplifier for Moving Magnet (MM) and Moving Coil (MC) cartridges. It features premium polystyrene capacitors, split RIAA equalization and a solid metal casing to minimize noise, offering audiophile-grade sound, precise RIAA accuracy and versatile loading adjustments for a wide range of cartridges.

Key Features:

- Discrete Circuitry: Uses no operational amplifiers (OpAmps), providing a more natural and musical sound.

- High-End Components: Utilizes polystyrene capacitors for high-end sound quality.

- Split RIAA Equalization: Offers pinpoint accuracy in RIAA equalization.

- Input Impedance (MC): 10 Ohm, 100 Ohm, 1 kOhm, 47 kOhm.

- Input Capacitance (MM): 100 pF, 220 pF.

- Gain Levels: Four adjustable levels (40 dB, 43 dB, 60 dB, 63 dB) to support both MM and MC cartridges.

- Subsonic Filter: Switchable subsonic filter (-18 dB @ 20Hz) to reduce low-end rumble.

- Robust Build: Solid metal casing designed to protect against electromagnetic interference (EMI) and vibration.

Specifications:

- Output Power: N/A

- Form Factor: rectangular-shaped

- Weight: 570 g without power supply

- Connectivity: wired