Pro-Ject Amp Box 3081020003 Leaflet

Pro-Ject Audio Systems is a registered trademark of Heinz Lichtenegger 

1050 Vienna · Margareten Road 98 · Tel. +43(0)15448580 · Fax. +43(0)15456697 

www.project-audio.com · © Heinz Lichtenegger · Revision 1.12.08 

 

 

Pro-Ject Amp Box 

Stereo power amp 

Product information

 

Good sound from sound technology

 

Metal case shields the electronics from vibrational and electromagnetic interference 

 

Bi-Phase PWM-circuit (Pulse Width Modulation) 

 

Gold plated RCA/Phono sockets and loudspeaker terminals 

 

Outboard power supply included 

Features 

 

Small size allows easy placement 

 

Pro-Ject Audio digital amplifiers achieve 80% energy efficiency 

 

The Amp Box can be switched on & off remotely via a trigger signal. A 45cm long power-on cable is  
supplied for this purpose 

 

For bi- ore tri amplification use, the remote power-on signal can be relayed to further units 

Technical specifications 

Power output: 

2 x 20W/30W at 8 Ohm/4 Ohm (both channels driven) 

Frequency response: 

5Hz - 20kHz (+ 0dB, - 0,5dB) 

Channel separation: 

> 40dB at 20kHz 

Noise floor: 

> -100dB (A weighted) 

THD: 

< 0,05% at 10W 

Gain: 22dB 
Pre in: 

1 pair RCA/Phono sockets 

Input sensitivity: 

1V 

Input impedance: 

47kohm 

Speaker connectors: 

4mm ∅ banana plugs, spade connectors or naked wire 

Trigger: 

12V DC switching voltage 

Trigger in and out: 

2-pole co-axial ∅ 2,5mm jack 

Outboard power supply:  20V/3A DC (peak 7A DC), suitable for your country's mains supply 
Power consumption: 

20V/3A DC 

Dimension W x H x D: 

103 x 38 x 141mm 

Weight: 670g 

without 

power 

supply 

The manufacturer reserves the right to alter the technical specifications without notice.