The design of the HDA range draws upon all of Arcam’s experience as one of the UK’s most respected audio companies, to produce Arcam’s best performing range of audio products yet – using the best quality components and engineering practices, the HDA range is designed and built to give you years of listening enjoyment. PA720- Exceptional Power, Immersive Sound 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 140W Class G amplification (all channels driven) 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 channelSeven 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
XLR Type
Input sensitivity 50W / 8Ω 1.6V RMS
General
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)