Phono Box S3 B
Entry-level phono preamplifier with a fully balanced, discrete gain stage in a steel and aluminium case. It suits vinyl listeners who want adjustable MM/MC loading and balanced connection, including for two turntables.
- True balanced input via 5-pin mini XLR plus RCA input
- Fully discrete, symmetrical gain stage without ICs
- Two turntable inputs with stored settings
- Gain 40, 45, 60 or 65 dB; loading 10 ohms to 47k ohms
- RCA and XLR line outputs
- Steel and aluminium case; silver or black
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The Phono Box S3 B is a compact phono stage built around a fully discrete, symmetrical gain stage with no integrated circuits in the amplifier section. A semi-passive RIAA equalisation stage follows it. The steel and aluminium housing gives rigidity and shielding against outside interference.
Two turntables can be connected at once, and the settings for each input are stored in memory. Input impedance, input capacitance and gain are adjustable from the front panel, which allows matching to many MM and MC cartridges. The gain range also lets the unit serve other sources such as CD players or streaming devices.
For the balanced signal path, a turntable is connected through a 5-pin mini XLR cable. An RCA input pair is also provided. Outputs are one pair of RCA and one pair of XLR. Because of how MM cartridges are wired internally, an MC cartridge is needed to use the full balanced signal. It is available in silver or black and is made in Europe.
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Specifiche
- Marca
- Pro-Ject
- Modello
- Phono Box S3 B
- Categoria
- Hi-Fi e audio domestico › Altro Hi-Fi
Inputs
- Input
- 1x 5-pin mini XLR / 1x pair RCA phono sockets
- Input impedance
- 10, 50, 100, 1k, 47k ohms
- Input capacitance
- 50, 150, 300, 400 pF
Outputs
- Line-level output
- 1x pair RCA, 1x pair XLR
Audio
- Gain (+ 6dB using XLR Out sockets)
- 40, 45, 60, 65 dB
- Signal / Noise ratio MM (40dB)
- 103dBV, 110dBV - 'A' weighted
- Signal / Noise ratio MC (60dB)
- 85dBV, 90dBV - 'A' weighted
- THD at 1 kHz
- <0,001% MM, < 0,005% MC
- THD (20Hz-20kHz)
- <0,008% MM, < 0,01% MC
- RIAA-equalization curve accuracy
- <0,3dB / 20Hz - 20kHz
- Subsonic filter
- at 20Hz with 18dB/octave
Power
- Power supply DC
- 18V/500mA
- Power consumption
- 18V/170mA DC, <0.5 W in standby
Physical
- Dimensions (W x H x D)
- 206 x 55 x 153 (164 with sockets) mm
- Weight
- 930g without power supply
- Case
- Steel and aluminium
- Colours
- Silver, Black