Pro-Ject Audio Systems
Phono Box S2 Ultra
The Pro-Ject Audio Systems Phono Box S2 Ultra is a discrete MM/MC phono preamplifier. It uses an op-amp-less fully discrete topology, polystyrene capacitors, split RIAA equalization, switchable 10 Ω/100 Ω/1 kΩ/47 kΩ input impedance, switchable 100 pF/220 pF input capacitance, and gain settings of 40, 43, 60, and 63 dB. It has a solid metal casing, a switchable −18 dB at 20 Hz subsonic filter, 89 dB V MM signal-to-noise ratio, 0.00052% THD, and dimensions of 103 × 37 × 119 mm.
MSRP
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Original list price not on record.
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Specifications
- Colour
- silver or black
- Weight
- 570 g without power supply lbs
- Gain switch
- 40dB/43dB/60dB/63dB
- THD
- 0.00052%%
- Dimensions
- 103 x 37 x 119 mm"
- Riaa accuracy
- < 0.4 dB / 20 Hz - 20k Hz
- In out sockets
- 1 pair RCA connectors
- Input impedance
- 10 Ohm/ 100 Ohm/1 kOhm / 47 kOhm
- Subsonic switch
- -18 dB @ 20 Hz
- Input capacitance
- 100 pF/ 220 pF
- Power consumption
- 18 V / 80 mA
- Outboard power supply
- 18 Volt DC/ 500 mA
- Signal to noise ratio
- 89 dB V (MM)
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