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Arcam P429 four channel power amplifier

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The P429 power amplifier represents the pinnacle of Arcam’s audio engineering. Incorporating almost 40 years of learning, the P429 is a four channel power amplifier that will set new standards and provide class leading sound quality for the best possible reproduction of your music and movies.
With a class G amplifier, toroidal transformer based power supply, acoustically damped chassis, complementary transistor output stages, exceptionally low levels of distortion and noise the Arcam P429 is capable of reproducing music with all its original authority and detail. The P429 has been designed to offer impressive flexibility for a variety of uses as well as using the latest generation class G topology that is both clever and efficient. During normal operation, distortion is measured in less than one part per million so that this massive power is delivered with total control and finesse.

AV enthusiasts will love the ability to add matching class G amplification to their AVR550 / AV860 for a full 7.1.4 Dolby Atmos setup. Stereo fans will appreciate the bridged mode of operation, which allows up to 270W power output per channel. There have been great strides made in improving audio sources and loudspeakers in recent years and the time is right to match them in the field of amplifier design. This ground breaking amplifier is a “must audition” amplifier for music lovers who understand that power is nothing without control.

Delivers moving audio that fills the room with breathtaking detail & control!

Charlie Brennan - CEO, Arcam
Continuous power output (20Hz–20kHz at 0.2% THD), per channel
ST (stereo) and DM (dual mono) modes
Four channels driven, 4Ω / 8Ω, 20Hz–20kHz 125W / 90W
One channel driven, 4Ω / 8Ω, 1kHz 180W / 110W

BR (bridged) mode

Two channels driven, 8Ω, 20Hz–20kHz 270W
One channel driven, 8Ω, 1kHz 320W
Harmonic distortion, 80% power, 8Ω at 1kHz 0.002%
ST (stereo) and DM (dual mono) modes
Input sensitivity for 100W / 8Ω 0.8V variable down to 7V
Signal/noise ratio (Awtd) ref 100W / 8Ω 112dB

BR (bridged) mode

Input sensitivity for 300W / 8Ω 0.6V variable down to 5V
Signal/noise ratio (Awtd) ref 100W / 8Ω 110dB
Input impedance 10kΩ
Frequency response 20Hz–20kHz ± 0.05dB
Mains voltage 110–120V~ or 220–240V~, 50-60Hz
Power consumption (maximum) 1kW
Dimensions W x D x H (including feet) 433 x 425 x 105mm
Weight (net) 14.4kg
Weight (packed) 15.5kg
Supplied accessories Mains lead

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Arcam P429 four channel power amplifier