If you are looking for a well built, powerful and compact pre and power amplifier package with enough watts on tap to work with a wide variety of speakers, this dinky dynamic duo is well worth seeking out." 5/5 HIFI Choice
• 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
Optional or Future Upgrade PSU Linear power supply PS Box RS for higher power otput and further improved sound quality
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.
The Amp Box RS is a true audiophile power amplifier that is capable of powering large speakers effortlessly.
Inside the Amp Box RS there is a fully balanced mono design utilising highly efficient energy saving PWM modules and a Tube buffer input stage.
Thanks to these characteristics the Amp Box RS avoids sounding too ‘digital’ and presents a warm and colourful sound.
Not only can you guarantee an audiophile grade sound from the Amp Box RS it also delivers perfect micro dynamics and 3-dimensional sound staging.
Audio loop-outputs and Trigger In/Out on the Amp Box RS make it perfect for Bi– or Tri-Amping options.
The Amp Box RS is perfectly partnered with Pro-Ject’s Pre Box RS or Pre Box RS Digital for your pre amplification and also can be paired with the Power Box RS Amp for even better sound staging and power handling.
Power Output: 2 x 110W/180W At 8ohms/4ohms
(2x 180/250 W @ 8/4 Ohms With PS Box RS)
2 Ohms Drive Capability
Frequency Response: 10Hz - 50kHz (+0dB, -3)
THD: < 0.1% At 90W
Noise Floor: > -90dB (IEC -A)
Input: RCA & XLR Sockets
Input Sensitivity: 1.5V
Input Impedance: 100Kohms
Speaker Connectors: 4mm Ø Banana Plugs, Spades Connectors Or Naked Wire
Trigger 12V DC: In & Out, 2-Pole Jack Ø 2.5mm
External Power Supply: 48V/2.5A DC;100 - 240V, 50/60Hz
Dimensions (W x H x D): 208 x 72 x 194mm
Pro-Ject Box-Design RS Line Reference Range of Analogue & Digital Components