Pro-Ject - Amp Box S





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Power Amplifiers

Ultra compact power amplifier - efficient & audiophile! 

A ultra high-efficiency Bi-Phase PWM (Pulse Wave Modulation) circuit with SMD parts incorporates 35 years of R&D and gives outstanding audio performance, while staying cool on the outside. It fulfills our demand for high resolution with superior micro dynamics and room-filling power.  

Sound quality is aimed to be as close as possible to Class A tube amplifiers with their liquid and lifelike presentation. The Amp Box S is micro-sized and therefore allows easy placement and can be switched on & off remotely via a trigger signal. A 45cm power-on cable is supplied for this purpose.  

For Bi- or Tri-amplification use, the remote power-on signal can be relayed to further units. 

• Ultra compact & audiophile 
• NEW! advanced amplifier module 
• NEW! More power and further improved performance 
• Stereo input (RCA) 
• Gold plated speaker sockets 
• Suitable for Banana/Spade/Pin/bare wire 
• Trigger input 
• Trigger output for further Amp Box S 
• Metal casing protects against vibration and interference 
• On/Off front-sided 
• Faceplate silver or black

Power Output: 2 x 25W/35W @ 8/4 ohms
Frequency Response: 2 x 25W/35W @ 8/4 ohms
Channel Separation: > 40dB @ 20kHz
Signal To Noise Ratio: > -100dB (IEC -A)
THD: < 0,05% @ 10W
Gain: 22dB
Input: 1 pair RCA sockets
Input Sensitivity: 1V
Input Impedance: 47kohm
Speaker Sockets: 4mm Ø Banana sockets, spades. Pins or bare wire
Trigger 12V DC: In&Out, 2-pole jack socket Ø 2,5mm
External Power Supply: 20V/3A DC (peak 7A DC); 100 - 240V, 50/60Hz
Standby Power Consumption: < 1 watt
Dimensions W x H x D: 103 x 36 x 104 (122mm with sockets)
Weight: 670g without power supply

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