Pro-Ject Audio Systems
Amp Box S3 CI
The Pro-Ject Audio Systems Amp Box S3 CI is a compact audiophile stereo power amplifier for custom-installation systems. It uses an audiophile PCB concept, sophisticated topology, and an advanced amplifier module, with power output of 2 × 20 W at 8 ohms or 2 × 34 W at 4 ohms, peak power of 2 × 50 W at 4 ohms, THD below 0.03% at 5 W, and a signal-to-noise ratio of 88 dBV (95 dBV A-weighted). The amplifier has a full aluminium housing, RCA stereo input and loop output, level/bass/treble controls, signal sensing, auto power-on, RS232 control, trigger input/output, and pluggable 4-pin Phoenix speaker connectors.
MSRP
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Specifications
- Gain
- 37dB (level set to max.)
- Input
- 1 pair RCA sockets
- Peak power
- 2 x 50 W at 4 ohms
- Weight
- 380g without power supply lbs
- THD
- <0,03% at 5W%
- Power output
- 2 x 20 W / 34 W at 8 ohms / 4 ohms
- Power supply
- 20V/3A DC (universal power supply)
- Dimensions
- 103 x 36 x 112 (with sockets) mm"
- Trigger 12v DC
- In&Out, 2-pole jack socket Ø 2,5mm
- Input impedance
- 10 kohm
- Speaker sockets
- Pluggable 4-PIN Phoenix Block
- Channel separation
- - 68dB at 10kHz
- Signal to noise ratio
- 88dBV (95dBV - ‚A‘ weighted)
- Frequency response 20hz
- Bass EQ variable ± 11dB
- Frequency response 20khz
- Treble EQ variable ± 5 dB
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