ARCAM A50 Signature Integrated Amplifier

Celebrating 50 Years of British Hi-Fi Excellence

Created to mark five decades of audio innovation, the ARCAM A50 Signature represents the pinnacle of the company's integrated amplifier design. Developed in Cambridge, UK, this flagship model combines cutting-edge digital technology, advanced analogue circuitry, and ARCAM's most sophisticated Class G amplification platform to deliver an exceptional listening experience.

Designed for discerning music lovers, vinyl enthusiasts, and modern entertainment systems, the A50 Signature effortlessly drives demanding loudspeakers while revealing every detail, texture, and emotion within your music collection.

ARCAM's First Dual-Mono Class G Integrated Amplifier

The A50 Signature introduces a significant milestone in ARCAM's history as the brand's first dual-mono Class G integrated amplifier. Each channel operates as a completely independent amplification module with its own transformer windings, dedicated power regulation, reservoir capacitors, Class G power stage, and individual heatsink assembly.

This advanced architecture significantly reduces channel crosstalk while improving stereo imaging, dynamic expression, and overall musical accuracy.

The result is a more spacious soundstage, superior instrument separation, and effortless power delivery that remains controlled even during demanding musical passages.

Dual-Mono Design Benefits

• Fully independent left and right amplification channels

• Enhanced stereo separation and imaging

• Lower noise floor and improved signal purity

• Greater dynamic headroom and transient response

• Optimised power delivery for demanding loudspeakers

Powerful Class G Amplification

At the heart of the A50 Signature is ARCAM's latest generation Class G amplifier technology. Combining the sonic refinement of Class A operation with the efficiency and power reserves of Class AB, Class G intelligently switches power rails to provide clean, distortion-free performance across all listening levels.

Delivering 150 watts per channel into 8 Ohms and 220 watts per channel into 4 Ohms, the A50 Signature offers effortless control over a wide variety of speaker systems, from compact bookshelf models to high-end floorstanding loudspeakers.

Exceptional Digital Audio Performance

The digital section has been completely redesigned around the acclaimed ESS ES9039Q2M DAC, ensuring outstanding clarity, resolution, and accuracy from modern music sources.

Supporting high-resolution audio playback through USB-C and multiple digital inputs, the A50 Signature reproduces streamed music, downloaded audio files, and digital media with remarkable detail and precision.

High-Resolution Digital Features

• ESS ES9039Q2M Reference DAC

• USB-C audio input supporting up to 384 kHz / 32-bit playback

• HDMI eARC connection for premium TV audio

• Optical and digital audio connectivity

• Low-jitter digital architecture for enhanced signal accuracy

Dedicated MM and MC Phono Stage

Vinyl playback receives special attention through a newly developed Class A phono stage that supports both Moving Magnet (MM) and Moving Coil (MC) cartridges.

This built-in phono preamplifier allows users to connect a wide range of turntables directly to the amplifier while preserving the warmth, detail, and musicality of analogue recordings.

Whether spinning classic albums or modern pressings, the A50 Signature delivers exceptional vinyl performance without requiring an external phono stage.

Advanced Wireless Connectivity

The A50 Signature is engineered for modern listening habits, featuring the latest Bluetooth 5.4 platform with Snapdragon Sound technology for superior wireless audio quality.

Support for aptX HD, aptX Lossless, LE Audio, and Auracast enables high-quality wireless music streaming while ensuring compatibility with the latest smartphones, tablets, and portable devices.

Wireless Features

• Bluetooth 5.4

• Snapdragon Sound technology

• aptX Adaptive

• aptX HD

• aptX Lossless

• AAC and SBC support

• LE Audio compatibility

• Auracast broadcasting capability

Flexible Headphone Listening

The A50 Signature caters equally to personal listening sessions with support for both wired and wireless headphones.

Its high-quality headphone output provides excellent performance across a wide range of headphone designs, while Bluetooth transmission capabilities allow compatible wireless headphones to receive high-quality audio directly from the amplifier.

Premium Build Quality and Sustainable Design

Built to the exacting standards expected from a flagship ARCAM component, the A50 Signature combines premium materials, meticulous engineering, and environmentally conscious packaging.

The amplifier arrives in plastic-free packaging, reducing environmental impact while maintaining the premium unboxing experience expected from a luxury hi-fi product.

Key Features

• Limited-edition amplifier celebrating 50 years of ARCAM

• First ARCAM dual-mono Class G integrated amplifier

• 150W per channel into 8 Ohms

• 220W per channel into 4 Ohms

• ESS ES9039Q2M high-performance DAC

• USB-C input with support up to 384 kHz / 32-bit audio

• HDMI eARC connectivity for television audio

• Built-in Class A MM and MC phono stage

• Bluetooth 5.4 with Snapdragon Sound

• aptX HD and aptX Lossless support

• Wired and wireless headphone connectivity

• Ultra-low distortion design

• Plastic-free packaging

Technical Specifications

Amplifier Performance

Power Output (8 Ohms): 150W per channel

Power Output (4 Ohms): 220W per channel

Total Harmonic Distortion: 0.002% @ 1kHz

Analogue Inputs

Inputs: 3 x RCA stereo pairs

Signal-to-Noise Ratio: 106 dB

Frequency Response: 20Hz – 20kHz ±0.2dB

Phono Stage

Compatibility: MM and MC cartridges

Input Impedance: 47kΩ + 100pF

Frequency Response: 20Hz – 20kHz ±1dB (RIAA)

Digital Audio

DAC: ESS ES9039Q2M

USB-C Audio Support:

• Up to 384kHz

• 32-bit resolution

Other Digital Inputs:

• Up to 192kHz

• 24-bit resolution

Digital Signal-to-Noise Ratio: 109 dB

Headphone Output

Maximum Output Level:

• 2.5V RMS into 32Ω

• 5V RMS into 300Ω

Supported Load Range: 16Ω – 2kΩ

Wireless Connectivity

Bluetooth Version: 5.4

Supported Codecs:

• SBC

• AAC

• aptX

• aptX HD

• aptX Lossless

• LE Audio

• Auracast

General Specifications

Power Consumption (Maximum): 700W

Standby Power Consumption: <0.5W

Dimensions (W x D x H): 431 x 344 x 99 mm

Weight: 12 kg

Included Accessories

• Mains power cable

• Remote control

• 2 x AAA batteries

• Quick Start Guide

• Safety documentation

Why Choose the ARCAM A50 Signature?

The ARCAM A50 Signature is more than a commemorative amplifier—it is the most advanced integrated amplifier ARCAM has ever created. Combining a groundbreaking dual-mono Class G architecture, reference-grade ESS DAC technology, premium MM/MC phono stage, HDMI eARC connectivity, and next-generation wireless audio support, it delivers extraordinary performance from every source. For audiophiles seeking a powerful, versatile, and future-ready amplifier capable of revealing the full potential of their music system, the A50 Signature stands as a true reference-level choice.