Arcam PA720 Class G Power Amplifier

Arcam PA720 Class G Power Amplifier: Precision Power for Audiophile-Grade Performance

The Arcam PA720 is a powerhouse of audio engineering, delivering precision and musicality with 7 channels of Class G amplification at a substantial 140W per channel. Designed to maximize efficiency and reduce distortion, the PA720 is ideal for serious home theater and high-fidelity music setups. Featuring premium components such as a toroidal power transformer and high-grade signal paths, it’s crafted to provide an immersive, accurate audio experience.

Unmatched Amplification and Dynamic Control

With 140W of power across all channels, the PA720’s Class G circuitry is designed for demanding audio, switching seamlessly between Class A and Class AB as needed. This adaptive design ensures minimal distortion at lower power levels and delivers full power without overheating during more intensive playback.

Key Highlights

• 7-Channel Power Amplifier: Ideal for multi-speaker setups, delivering consistent, high-quality sound across channels.
• 140W Class G Amplification (All Channels Driven): Robust power to drive high-performance speakers with ease and clarity.
• Class G Efficiency: Initial Class A operation, switching to Class AB for higher power levels, maintaining audio fidelity and reducing energy waste.
• Toroidal Transformer: Enhances efficiency and minimizes noise for cleaner power output.
• Versatile Inputs: Switchable RCA and balanced XLR inputs to accommodate a range of source devices and installations.
• Ethernet and RS232 Control: Integrates smoothly into smart home systems and advanced control setups.

Technical Specifications

Performance

• Continuous Power Output:
  • 7 channels driven: 140W into 4Ω / 100W into 8Ω (20Hz – 20kHz)
  • 5 channels driven: 175W into 4Ω / 110W into 8Ω (1kHz)
  • 2 channels driven: 225W into 4Ω / 140W into 8Ω (1kHz)
• Harmonic Distortion: 0.002% at 80% power, 8Ω (1kHz)
• Frequency Response: 20Hz - 20kHz, ±0.05dB
• Signal-to-Noise Ratio: 105dB at 50W/8Ω, ensuring a clean, noise-free listening experience.

Inputs and Connectivity

• Inputs: Switchable RCA and XLR
  • RCA input sensitivity: 800mV RMS (50W/8Ω)
  • XLR input sensitivity: 1.6V RMS (50W/8Ω)
  • Input impedance: 10kΩ

General Specifications

• Power Requirements: 110-120V or 220-240V, 50-60Hz
• Max Power Consumption: 1.5kW
• Dimensions: 433 x 425 x 177mm (W x D x H, including feet and terminals)
• Weight: 18kg (net), 19.7kg (packed)

Why Choose the Arcam PA720?

The PA720 is designed for audiophiles and home theater enthusiasts who demand performance and clarity. Its Class G amplification and intelligent design provide the flexibility and power needed for immersive, high-definition audio. With low distortion, versatile input options, and powerful Class G efficiency, the Arcam PA720 is a benchmark in multi-channel power amplifiers, delivering exceptional quality and dynamic range.