Pro-Ject Phono Box S2 Ultra
w/ Adjustable Gain, Adjustable Loading, External Power Supply, MC Compatible, Subsonic Filter
Item #PRO:PHONOBOXS2ULTRA
Pro-Ject Phono Box S2 Ultra
w/ Adjustable Gain, Adjustable Loading, External Power Supply, MC Compatible, Subsonic Filter
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Overview
Pro-Ject is offering a fully discrete, OpAmp less design, which enabled them to realize an incredibly harmonious sound. On top of leaving out operational amplifiers, Pro-Ject 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.
- Audiophile Performance
- No Operational Amplifiers used
- Audiophile-grade polystyrene capacitors
- Precise split RIAA equalization
- Switchable Subsonic filter –18 dB @ 20Hz
- Switchable input impedance/capacitance
- Six adjustable gain levels
- Solid metal casing protects from interferences
- Outstanding sound quality
Details & Specs
- Input impedance 10 Ohm/ 100 Ohm/1 kOhm / 47 kOhm
- Input capacitance 100 pF/ 220 pF
- Gain switch 40dB/43dB/50dB/53dB/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
| Inputs | 1 pair RCA/phono sockets |
|---|---|
| Total Harmonic Distortion | <0,0005% MM, < 0,004% MC |
| Signal To Noise Ratio | Signal / Noise ratio MM: 85dBV (90dBV - 'A' weighted) Signal / Noise ratio MC: 65dBV (71dBV - 'A' weighted) |
| Gain | 40 and 43dB / 60 and 63dB |
| Impedance | 10, 100, 1k, 47k ohms / 100pF |
| Power Requirements | 18 V / 80 mA |
| Product Manual | Download |
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