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Pro-Ject Phono Box S2 Ultra Discrete MM/MC Phono Preamplifier


2-Year Local Warranty.

 

Any mention of "us," "we," "our," etc is by Pro-Ject, not AV One.


Phono Box S2 Ultra – Luxury and audiophilia combined!

The Phono Box S2 Ultra is like no other phono preamplifier in its segment. The incredible success of our Phono Box Ultra 500, incited us to introduce this marvelously sounding phono preamp into our regular S2 line. The solid metal casing protects against interference and the internal design remains as spectacular as before.

We are offering a fully discrete, OpAmp less design, which enabled us to realize an incredibly harmonious sound. On top of leaving out operational amplifiers we decided to use polystyrene capacitors, which significantly contribute to the high-end sound of the Phono Box S2 Ultra. These capacitors are known amongst audiophiles as the holy grail for phono preamplifiers. The split RIAA equalization enables a pinpoint accurate representation of the RIAA curve, a luxury many other phono preamps do not possess.

Compatible upgrade power supply: Accu Box S2

 

Features

  • Audiophile Performance

  • No Operational Amplifiers used

  • Audiophile-grade polystyrene capacitors

  • Precise split RIAA equalisation

  • Switchable Subsonic filter –18 dB @ 20Hz Switchable input impedance/capacitance

  • Four adjustable gain levels

  • Solid metal casing protects from interferences

  • Outstanding sound quality

  • Available in silver or black

 

Technical Specifications

Input impedance: 10 Ohm/ 100 Ohm/1 kOhm / 47 kOhm

Input capacitance: 100 pF/ 220 pF

Gain switch: 40dB/43dB/60dB/63dB

Subsonic switch: -18 dB @ 20 Hz

Signal-to-noise ratio: 89 dB V (MM)

THD: 0.00052%

RIAA accuracy: < 0.4 dB / 20 Hz - 20k Hz

In/Out sockets: 1 pair RCA connectors

Power consumption: 18 V / 80 mA

Outboard power supply: 18 Volt DC/ 500 mA

Dimensions ( W x H x D ): 103 x 37 x 119 mm

Colour: silver or black

Weight: 570 g without power supply


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