Electro
Pro Ject Phono Box S2 Ultra preamp Silver
Pro Ject Phono Box S2 Ultra preamp Silver
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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 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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