Phono Box S2 Ultra

£200.00
  • Audiophile phono stage in a compact chassis
  • Fully discrete, high-end electrical design
  • Audiophile-grade polystyrene capacitors used inside

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How To Buy

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Find Your Local Retailer

Our preferred option is for you to visit a nearby store and buy what you need locally. Our authorised stockists are some of the finest specialist hi-fi retailers in the country, and they're equipped to give you the best after-sales and set-up advice possible - all in person. To find your local retailer, either click the 'Buy In-Store' button on your product page for exactly the right recommendation, or head to our comprehensive Where To Buy tool.

Buy Now, Collect Locally

If you want the added convenience of only having to pop-in to store when you know the product you want has arrived, you can use our Click & Collect-style checkout process. With Buy Now, Collect Locally, your purchase takes place online and the product is then delivered direct to your local supporting retailer; ready for you to collect when you're ready. Click here to find out more about Buy Now, Collect Locally.

Buy Now

For smaller items, you can also have the ultimate convenience of purchasing directly through our website. The checkout process is entirely secure, so you can trust your information will be safe - and your desired product will arrive with you as quickly as possible.

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S2 Line

The Phono Box S2 Ultra is like no other phono stage available today. Punching well above its weight for sound quality, it replaces the popular Phono Box DS and DS+ models in the Pro-Ject range, and still manages to boast an array of features for easy pairing with any modern cartridge.

The Phono Box S2 Ultra utilises a fully discrete electronic layout without the use of operational amplifiers (op-amps). Op-amps are commonly used in phono stages to increase the quiet sound from a pick-up cartridge to a level that modern amplifiers can use. However, by shifting away from that technology, Pro-Ject are able to produce a device with a warm, harmonious sound. In addition, the use of polystyrene capacitors makes the Phono Box S2 Ultra almost unique on the market, as such components are normally reserved for far more expensive products. Elsewhere, the split RIAA equalisation circuit enables pin-point accuracy of the RIAA curve and the introduction of a subsonic filter ensures your music sounds right in any environment.

The Phono Box S2 Ultra delivers a true audiophile sound performance that belies its small form and attractive price. With a sonic signature that delivers the full beauty of a vinyl record, it also remains easy to set up. With a series of dip-switches on the bottom of the solid metal casework, there are multiple settings for impedance (MC), capacitance (MM) and gain – so any modern Moving Magnet or Moving Coil cartridge is easy to accommodate.

Key Features:

  • Audiophile phono stage in a compact chassis
  • No Operational Amplifiers (op-amps) used
  • Audiophile-grade polystyrene capacitors used inside
  • Precise split RIAA equalisation
  • Switchable Subsonic Filter
  • Switchable input impedance, capacitance and gain
  • Solid metal casing available in black or silver

Technical Data

Input Impedance: 10 / 100 / 1k or 47kΩ
Input Capacitance: 100 / 220 pF
Gain Switch: 40 / 43 / 50 / 53 / 60 / 63dB
Subsonic Switch: -18dB @ 20Hz
Signal-to-Noise Ratio: 89dB V (MM)
THD+N: 0.00052% 
RIAA Accuracy: <0.4dB / 20Hz - 20kHz
In/Out Connectors: 1 pair RCA Connectors
Power Consumption: 18V / 80mA 
Power Supply: 18VDC / 500mA
Dimensions: 103 x 37 x 119mm
Weight: 570g (Without PSU)
Note: We’re constantly updating our website to ensure all our listings are as accurate as possible. However, the images and text on this page can be subject to change without notice, and errors and omissions are excepted.

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