A High-End Audio Anniversary Defined by New Hardware
Arcam’s 50th anniversary is a high-end audio anniversary marked by the launch of the Arcam A50 Signature Class G integrated amplifier and CD25 premium CD player, two Radia Series flagships that highlight the company’s long-standing focus on amplification and physical media. Founded in 1976 as A&R Cambridge, with the “A” standing for amplification, Arcam has spent five decades moving from the original A60 integrated amplifier to digital innovation such as early DACs and DAB tuners. Now part of the Harman Luxury Audio Group and still based in Cambridgeshire, the brand has chosen to celebrate with significant new products rather than a nostalgia-heavy reissue. Both the A50 Signature and CD25 were unveiled at HIGH END Vienna 2026, underlining how Arcam sees its next chapter: engineering-led, system-focused, and ready to serve listeners who value both streaming and high-quality disc playback.
A50 Signature: Class G Amplifier Philosophy, Refined
The Arcam A50 Signature sits at the top of the Radia Series as the brand’s most complete expression of its Class G amplifier platform. Designed in collaboration with co-founder John Dawson, it is intended not as a retro homage but as a statement integrated amplifier 2026 that reflects five decades of development in Cambridge. Dawson’s name appears on the rear cowl and PCBs, but the core story is technical: this is Arcam’s first fully dual mono Class G integrated amplifier, with each channel built as its own discrete amplifier section on separate PCBs, including output stages, Class G lifter stages, power regulation, and transformer windings. Power is rated at 2 × 150W into 8 ohms, and an ESS ES9039Q2M DAC in fully differential configuration handles digital conversion. According to Arcam, the layout, with a central power supply and segregated signal paths, is designed to maximise channel separation and minimise crosstalk.
Modern Connectivity in a Classic Two-Channel Form
While the A50 Signature is a Class G amplifier at heart, its feature set is aimed at contemporary systems. Arcam positions it as a central hub that can integrate digital, analogue, and wireless sources within a single chassis. Digital inputs include HDMI eARC/ARC for TV integration, USB-C audio for computers and smart devices, as well as optical and coaxial S/PDIF for traditional digital transports. Wireless connectivity arrives via two-way Bluetooth with Snapdragon Sound, including lossless-capable operation and Auracast support. On the analogue side, listeners get three RCA inputs, a balanced XLR pair, and a fully integrated Class A MM/MC phono stage for turntables, underlining the amplifier’s appeal to vinyl users. System control is handled through RS232, trigger in/out, and a USB service port, making the A50 Signature comfortable in both living-room and custom-install roles.
CD25: Premium CD Player for the Radia Ecosystem
Alongside the A50 Signature, the CD25 arrives as a premium CD player extending the Radia Series for listeners who still value discs. Arcam describes it as a new reference CD player designed to integrate within its wider system approach, pairing visually and functionally with Radia amplifiers. In an era dominated by streaming, the CD25 underlines the company’s belief that physical formats remain important for many systems and collections. While detailed internal specifications have not been fully disclosed, the positioning is clear: the CD25 is intended to provide high-quality CD playback for owners of the A50 Signature and other Radia Series components who want a coherent stack rather than mixing brands. In system terms, the A50 handles conversion and amplification, while the CD25 focuses on precise disc reading and transport duties to complement the Class G integrated amplifier.
From A&R Cambridge to Radia: Heritage Without Nostalgia
The A50 Signature and CD25 are also statements about how Arcam reads its own history. Founded in 1976 as A&R Cambridge (Amplification & Recording Cambridge), the brand grew out of the Cambridge University Tape Recording Society, where John Dawson and the late Chris Evans shifted their focus from PhDs to amplifier building. The A60 integrated became a defining product of early British hi-fi, and Arcam later pushed into categories such as standalone DACs, DAB tuners, and audiophile AV amplifiers. With the Radia Series, the company introduced a fresh visual identity while keeping its core sound and engineering values. For the 50th milestone, Arcam has been explicit that it did not want a heritage or nostalgia-driven product; instead, the A50 Signature and CD25 are meant to show that its integrated amplifier design and premium CD player thinking remain current with how people listen today.
