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Project Audio Highend Stereo power amplifier - Amp Box RS Black - PJ50434868



Project Audio Highend Stereo power amplifier - Amp Box RS Black - PJ50434868



Project Audio Highend Stereo power amplifier - Amp Box RS Silver - PJ50434875




Ultimate high-end sound with high efficiency in a compact luxury casing!

Four specific characteristics make this a true high-end amplifier:

1. Fully balanced double mono design

2. Highly efficient energy saving PWM modules

3. Tube buffer input stage

4. Upgrade option PS Box RS for more power and further improved sound quality .

Amp Box RS offers 3-dimensional sound-staging, perfect micro dynamics and ultimate resolution combined with high power output and 2 ohm capability and also is the perfect solution for Bi– or Tri-Amping applications.  Amp Box RS is the perfect companion for Pre Box RS and will give pure sound experience, that the real audiophile is looking for. Because of its heat emission Amp Box RS luxury casing, which is available in silver or black finish, should not be combined with Design Box Acryl.

The addition of linear power supply Power Box RS Amp adds even more depth and lets you hear all microscopic fine detail.


  • Fully balanced double mono design (Pulse Wave Modulation)
  • Highly efficient conversion from mains to output power (92%)
  • 2 ohms drive capability
  • Tube buffer stage with reference quality
  • SMD construction for shortest signal paths
  • Line level preamp inputs (RCA & XLR)
  • Top-quality speaker terminals
  • Metal casing protects against vibration and interference
  • DC power supply (< 1 Watt standby power)
  • Available in silver or black
Tube assembly2 x ECC88 (6922)
Power output2 x 110/ 180 W @ 8 Ohm/4 Ohm
Frequency response10 Hz - 50 kHz (- 0.8 dB/ - 3 dB)
Signal to noise ratio>-100 dB (IEC -A)
THD< 0.05% @ 100 W
InputRCA & XLR-sockets
Input sensitivity1.35 V
Input Impedance22 kOhm
Speaker terminals4 mm Ø Banana, spade or bare wire
External power supply48 V/2.5 A DC; 100 - 240 V, 50/60 Hz
Standby consumption< 1 Watt
Dimensions W x H x D206 x 72 x 220 mm with sockets
Weight2120 g without power supply

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