Arcam has just announced the latest additions to their acclaimed Radia range: the A5+, A15+, and A25+. Building on the success of the original models, these “plus” versions offer upgraded internals, smarter connectivity, and refreshed designs — perfect for anyone looking to elevate their hi-fi experience.
An amplifier’s job is deceptively simple: to take the delicate signal from your source — vinyl, CD, or streaming — and drive your loudspeakers with clarity, control, and emotion. But not all amplifiers are created equal. The quality of the amplifier determines not just how loud music sounds, but how alive it feels.
For decades, Arcam has built a reputation for producing some of the most musical and reliable amplifiers in the world. Their Radia range, launched last year, quickly became one of the most successful two-channel amplifier line-ups on the market — led by the A5, A15, and A25 models. Now, Arcam has taken those same foundations and refined them further, introducing the new A5+, A15+, and A25+.
These “plus” models aren’t a departure, but a considered evolution. They retain everything that made the originals so popular while adding smarter connectivity, upgraded internals, and a freshened-up design — ensuring Arcam remains one of the strongest choices in hi-fi amplification today.
Radia A5+ — The New Starting Point
Replacing the much-loved A5, the A5+ builds on its reputation for balance, simplicity, and smooth performance. Upgraded DAC op-amps deliver even greater detail and dynamics, while the front-panel design improves display clarity.
For the modern listener, Snapdragon Sound with aptX Lossless and Auracast Bluetooth transmitting make wireless streaming more flexible and higher quality than ever. At £749, the A5+ is the perfect way to begin a hi-fi journey with Arcam.
Radia A15+ — Versatility Redefined
The original A15 was praised for being the sweet spot in the Radia range. The new A15+ keeps that balance but adds one big upgrade: HDMI eARC/ARC. This makes it an even more versatile hub, easily integrating with a TV or home cinema set-up — and it even works in power-off mode.
Combined with the A5+’s improvements, the A15+ is a flexible, all-in-one amplifier at £1,199, perfectly suited to those who want music and movies in one system without compromise.
Radia A25+ — The Flagship Reimagined
The A25+ is the most significant upgrade in the new range. Replacing the original flagship, it now features a large glass-fronted OLED display, designed to complement the ST25 Streamer and give a premium, modern look. Internally, a dedicated ESS9018 DAC ensures class-leading digital audio reproduction, delivering every layer, every texture, and every ounce of musicality.
At £1,699, the A25+ is built for the enthusiast who wants the ultimate Radia experience.
Why “+”?
The Radia + range represents the next chapter in Arcam’s most popular amplifier family. The A5, A15, and A25 set the benchmark for performance and value — the new A5+, A15+, and A25+ take those same models and make them even better, with sharper design, stronger digital features, and refined sound.