Description

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 pin-point accurate representation of the RIAA curve, a luxury many other phono preamps do not possess.

Additional information
Weight0.57 kg
Dimensions11.9 × 10.3 × 3.7 cm
Color

,

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
  • Handmade in Europe

Specs

  • Input impedance: 10, 100, 1k, 47k ohms / 100pF
  • Input capacitance/impedance: 100pF, 200pF, 320pF and 420pF */47kohms B
  • Input gain: 40 and 43dB B / 60 and 63dB A
  • Signal / Noise ratio MM: 85dBV (90dBV – ‘A’ weighted)
  • Signal / Noise ratio MC: 65dBV (71dBV – ‘A’ weighted)
  • THD: <0,0005% MM, < 0,004% MC
  • RIAA-equalization curve accuracy: <0,4dB / 20Hz - 20kHz
  • Subsonic filter: at 20Hz with 18dB/octave
  • Input: 1 pair RCA/phono sockets
  • Line-level output: 1 pair RCA/phono sockets
  • Power supply DC: 18V/500mA
  • Power consumption: 18V/80mA DC

A: typical for low output MC cartridges, B: typical for MM cartridges or high output MC
*Input capacitance is irrelevant for low output MC cartridges.

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