ARCAM PA720 Power Amplifier


The PA720 is a high-performance power amplifier that delivers 7 channels of efficient Class G amplification.

With an impressive 140W per channel, the PA720 is designed to offer the greatest flexibility and power without compromising on control.

Featuring the best-in-class components including a toroidal based power supply, acoustically damped chassis, paralleled transistor output stages and exceptionally low levels of distortion, the PA720 masters the reproduction of music with all its originality and detail for an unmatched level of sound quality and clarity.

  • 7 Channel Power Amplifier
  • 7 x 100W Class G amplification (8ohm, 20Hz-20kHz, 0.2% THD)
  • Class G amplification with 20W of Class A operation
  • Toroidal transformer
  • Ethernet, RS232 control
  • Switchable RCA or balanced XLR inputs

Continuous Power Output at 0.2% THD per channel

  • Seven Channels Driven, 4Ω / 8Ω, 20Hz – 20kHz:  140W / 100W
  • Five Channels Driven, 4Ω / 8Ω, 1kHz:  175W / 110W
  • Two Channels Driven, 4Ω / 8Ω, 1kHz:  225W / 140W
  • Harmonic Distortion, 80% power, 8Ω at 1kHz:  0.002%

Inputs RCA Type

  • Input Sensitivity 50W / 8Ω:  800mV RMS
  • Signal/Noise Ratio (A-wtd) 50W / 8Ω:  105dB
  • Input Impedance:  10kΩ
  • Frequency Response:  20 – 20kHz +/-0.05dB

Inputs XLR Type

  • Input sensitivity 50W / 8Ω:  1.6V RMS


  • Mains voltage:  110–120V or 220–240V, 50–60Hz
  • Power consumption (maximum):  1.5kW
  • Power consumption (idle, typical):  90W (Thermal dissipation approx. 340 BTU/hour)
  • Power consumption (standby):  <0.5W
  • Dimensions W x D x H:  433 x 425 x 177 mm (includes feet,control knob and speaker terminals)
  • Weight:  18 kg