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Pro-Ject Phono Box Ultra S2 Phono Stage
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Pro-Ject Phono Box Ultra S2 Phono StagePro-Ject Phono Box Ultra S2 Phono StagePro-Ject Phono Box Ultra S2 Phono Stage

Pro-Ject Phono Box Ultra S2 Phono Stage

  (5 Reviews)
£195.00    
£162.50 Exc. VAT |  
  

|
  

 

Pro-Ject Phono Box Ultra S2 Phono Stage

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

No OpAmp

Pro-Ject are offering a fully discrete, OpAmp less design, which enabled us to realize an incredibly harmonious sound. On top of this, they 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.

Features:

  • Audiophile Performance
  • No operational amplifiers used!
  • Audiophile-grade polystyrene capacitors
  • Precise RIAA equalisation
  • Switchable Subsonic filter –18dB @ 20Hz
  • Switchable input impedance/capacitance
  • Solid metal casing prevents interference
  • Six adjustable gain levels
  • Outstanding sound quality

Technical Data

  • Impedance: 10/100/1k/47kO
  • Capacitance: 100/220 pF
  • Gain: 40/43/50/53/60/63dB
  • Subsonic: -18dB @20Hz
  • SNR: -89dB V (MM)
  • THD: 0.00052%
  • RIAA: <0.4dB / 20Hz-20kHz
  • In/Out: pair RCA sockets
  • Power consumption: 18V / 80mA
  • Outboard supply: 18V DC / 500mA
  • Dimensions (WHD): 103 x 37 x 119mm
  • Weight: 570g
Average Rating (5 Reviews):  
Write a Review and share your opinions!

Rating:  
Affordable, cohesive and kickass. Has the transistor magic.
Sunday, 4 April 2021  | 

Hi, I prefer Phono Box Ultra S2 over my iFi Zen Phono (2021 buy) and Project Phono Box (2007 buy).

This discrete design brought back the coherence and fatigue free listening I was searching for since my vintage preamp from the 80s died.

Sound is textured, detailed and without coloration. No grittiness. Slam and roundness of bass is better. Treble extension and air around instruments is okay. One won't notice it much.

Unit is hot to touch once operational, nothing alarming though. I believe it is working in Class A. (@Project guys - please update, if you are reading this)

Highly recommended and worthy buy in the price range. Get rid of those opamps, they never did anyone good.😉

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Rating:  
Surprisingly good
Wednesday, 30 December 2020  | 

Airy treble, warm mids, tight bass.
No complaints. Unit becomes slightly warm after a while. Initially worried about the switching AC power adaptor exhibiting noise but so far none detected.

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1 of 1 people found this review helpful.


Rating:  
Excellent sound in small package
Tuesday, 2 June 2020  | 

Great product, small dimensions, warm sound, affordable price, great value for money.

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1 of 1 people found this review helpful.


Rating:  
Pro-Ject Phono Box Ultra S2
Sunday, 22 March 2020  | 

Excellent product.
Easily beats the socks off the phono stage of my rega amp.

Excellent service from Analog Seduction

Highly recommended.

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1 of 1 people found this review helpful.


Rating:  
S2 Phono Stage
Wednesday, 24 April 2019  | 

Excellent quality in build and more importantly on the sound once the settings have been established. Treble was much smoother on the ESL63's. Recommended.

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1 of 1 people found this review helpful.

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