
Details
Description
Arcam Radia A50 Signature Integrated Amplifier
Celebrating 50 Years of British Hi-Fi Innovation
The Arcam Radia A50 Signature represents the pinnacle of Arcam's amplifier engineering, created to commemorate five decades of audio excellence. Designed and engineered in Cambridge, England, this flagship integrated amplifier combines the company's most advanced Dual-Mono Class G amplification, premium digital circuitry, and exceptional analog performance into a single reference-grade component. The result is an amplifier capable of delivering remarkable musical accuracy, effortless dynamics, and outstanding control across a wide range of loudspeakers.
First-Ever Dual-Mono Class G Architecture
The A50 Signature is Arcam's first integrated amplifier built around a true Dual-Mono Class G design. Each audio channel operates independently with its own dedicated amplification circuitry, transformer windings, power regulation, reservoir capacitors, Class G output stage, and heatsink.
This carefully engineered layout minimizes crosstalk while maximizing channel separation, resulting in a wider soundstage, greater instrument placement accuracy, lower background noise, and exceptional dynamic performance.
Powerful Performance for Demanding Loudspeakers
Delivering 150 watts per channel into 8 ohms and 220 watts into 4 ohms, the A50 Signature provides ample power reserves for driving both bookshelf and floorstanding speakers with confidence. Whether reproducing delicate acoustic recordings or powerful orchestral passages, the amplifier maintains excellent composure, clarity, and musical control even at higher listening levels.
Premium ESS Sabre Digital Conversion
Digital playback is handled by the highly respected ESS ES9039Q2M DAC, allowing the amplifier to reproduce high-resolution audio with exceptional precision and low distortion.
A comprehensive range of digital inputs—including USB-C, HDMI eARC, optical, and coaxial connections—makes it easy to connect televisions, music streamers, computers, CD transports, and other modern digital sources while preserving outstanding sound quality.
Exceptional Vinyl Playback
Vinyl enthusiasts will appreciate the integrated Class A phono stage, compatible with both Moving Magnet (MM) and Moving Coil (MC) cartridges. Designed with low-noise circuitry and precise equalization, it delivers detailed, natural analog playback without requiring an external phono preamplifier.
Advanced Wireless Connectivity
The A50 Signature embraces modern wireless listening with Bluetooth 5.4, featuring Snapdragon Sound, aptX Lossless, aptX HD, AAC, LE Audio, and Auracast support. Users can stream music wirelessly from compatible devices or enjoy private listening through compatible wireless headphones without compromising audio quality.
Built for Modern Entertainment
Beyond traditional hi-fi systems, the HDMI eARC connection allows seamless integration with today's televisions, transforming the A50 Signature into a powerful centerpiece for both music and home entertainment. Multiple analog and digital inputs ensure compatibility with virtually every source component.
Elegant Radia Design
Finished in Arcam's contemporary Radia styling, the A50 Signature combines understated elegance with premium build quality. Every element—from the internal component layout to the refined front panel—reflects the company's commitment to engineering excellence and long-term reliability.
Key Features
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Flagship Arcam integrated amplifier celebrating 50 years of innovation
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First Arcam Dual-Mono Class G integrated amplifier
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150W per channel into 8Ω and 220W into 4Ω
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ESS ES9039Q2M high-resolution DAC
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HDMI eARC and USB-C digital connectivity
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Built-in Class A MM and MC phono stage
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Bluetooth 5.4 with Snapdragon Sound, aptX Lossless, aptX HD, LE Audio, and Auracast
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Dedicated analog and digital circuit design for exceptional signal integrity
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High-current amplification with excellent channel separation
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Premium construction designed for serious audiophile systems
A New Reference in Integrated Amplification
The Arcam Radia A50 Signature combines decades of British engineering expertise with the latest advancements in analog and digital audio technology. Offering exceptional power, refined musicality, and outstanding versatility, it serves as the ideal centerpiece for high-performance stereo systems, delivering a listening experience that is both technically impressive and emotionally engaging.
Specifications
Specifications
| Continuous power output (0.5% THD), per channel | 2 channels driven, 20Hz - 20kHz, 8Ω 150W 2 channels driven, 1kHz, 4Ω 220W |
| Harmonic distortion, 80% power, 8Ω at 1kHz | 0.002% |
| Number of inputs | 3 (RCA pairs) |
| Signal/noise ratio (A-wtd, ref. 50W, 1V input) | 106dB |
| Frequency response | 20Hz—20kHz ± 0.2dB |
| Input impedance | 47kO + 100pF |
| Frequency response (ref. RIAA curve) | 20Hz—20kHz ± 1dB |
| Supported Sample Rates (kHz) | USB-C Only 384, 352.8, 192, 176.4, 96, 88.2, 48, 44.1 Other digital inputs 192, 176.4, 96, 88.2, 48, 44.1 |
| Bit depths (bit) | 32, 24, 16 |
| Frequency response (filter 1) | 20Hz—20kHz ± 0.2dB |
| Signal/noise ratio (A-wtd, ref. 50W, 0dBFS) | 109dB |
| Maximum output level (RMS) into 32O/300O | 2.5V/5V |
| Load range | 16O - 2kO |
| Bluetooth Version | 5.4; A2DP Sink/Source, AVRCP, BLE, SBC, AAC, aptX, aptX HD and aptX Lossless, LE Audio, Auracast |
| Bluetooth Transmitter Frequency and Power | 2,400 MHz to 2,483.5 MHz: <20dBm |
| Mains voltage | 100V or 110–120V or 220–240V, 50–60Hz |
| Power consumption (maximum) | 700W* |
| Power consumption (standby) | <0.5W |
| Dimensions W x D (including speaker terminals) x H (including feet) | 431 x 344 x 99mm |
| Weight (net) | 12kg* |
| Weight (packed) | 14kg* |
| Supplied accessories | Mains lead(s) Remote control with 2 x AAA batteries Quick Start Guide Important Safety Instructions |
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Delivery & Returns
Delivery & Returns
We offer FREE delivery to the mainland UK (excluding Channel Islands, Isle of Man, Isle of White, Isles of Scilly, and some of the remote Scottish Isles).
For other areas please contact us for a quote. Select items can be delivered internationally by prior agreement. Again please contact us for a quote. We will always do our best to help.
Our aim is to dispatch goods within 2 working days of an order being placed. Please allow 5 working days from the time of your order to receipt of item. If an order is expected to take longer than this our order fulfillment department will contact you to inform you of this.
Where multiple items are ordered, we will dispatch them all in one package. If you have ordered any special or customized items, or items otherwise not immediately available, we will dispatch the order when all items are available. If you have any concerns regarding this, please contact us and we will do are very best to help you.