Pro Ject Phono Box S2 Ultra preamp Black Phono Box S2 Ultra – Luxury and audiophilia combined! The Phono Box S2 Ultra is not like other phono preamplifiers in its segment. The incredible success of our Phono Box Ultra 500, incited Pro-ject to introduce this marvellously sounding phono preamp into their regular S2 line. The solid metal casing protects against interference and the internal design remains as spectacular as before.

They are offering a fully discrete, OpAmp less design, which enabled them to realize an incredibly harmonious sound. Also since they are leaving out operational amplifiers, 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 for good reason. The split RIAA equalization enables a pin-point accurate representation of the RIAA curve, a luxury many other phono preamps do not possess.

Compatible upgrade power supply: Accu Box S2FeaturesAudiophile PerformanceNo Operational Amplifiers usedAudiophile-grade polystyrene capacitorsPrecise split RIAA equalisationSwitchable Subsonic filter –18 dB @ 20HzSwitchable input impedance/capacitanceFour adjustable gain levelsSolid metal casing protects from interferencesOutstanding sound qualityAvailable in silver or blackTechnical SpecificationsInput impedance 10 Ohm/ 100 Ohm/1 kOhm / 47 kOhmInput capacitance 100 pF/ 220 pFGain switch 40dB/43dB/60dB/63dBSubsonic switch -18 dB @ 20 HzSignal-to-noise ratio 89 dB V (MM)THD 0.00052%RIAA accuracy < 0.4 dB / 20 Hz - 20k HzIn/Out sockets 1 pair RCA connectorsPower consumption 18 V / 80 mAOutboard power supply 18 Volt DC/ 500 mADimensions ( W x H x D ) 103 x 37 x 119 mmColour silver or black Weight 570 g without power supply Pro Ject Phono Box S2 Ultra preamp Black, preamp, amplifier, pre amplifier, phono, box, ultra, black, s2, ultra, black