ARCAM is celebrating its 50th anniversary at High End Vienna 2026 with the new A50 Signature integrated amplifier and CD25 CD player. Two products that lean hard into the company’s original reason for existing: proper British hi-fi without the tea and crumpets.
That matters because ARCAM was never built on lifestyle fluff. The company started as A&R Cambridge in 1976, and the A60 integrated amplifier became one of the defining British amplifiers of its era. Fifty years later, the A50 Signature feels like a deliberate nod to that legacy, but with modern expectations around digital connectivity, system integration, and performance. The new CD25 is just as interesting, because ARCAM clearly still sees value in silver-disc playback at a time when half the industry treats physical media like something found in a box at a Torquay flea market.
The larger question is whether the A50 Signature and CD25 are true anniversary statement products or simply elevated Radia components with better tailoring. ARCAM has the history, engineering credibility, and British hi-fi baggage to make this launch matter. Now it has to prove that 50 years of institutional memory still buys you more than a nicer front panel and a slice of birthday cake.
ARCAM A50 Signature: Class G Moves Up the Radia Ladder
ARCAM is marking its 50th anniversary at High End Vienna 2026 with the A50 Signature integrated amplifier and CD25 CD player. Both products extend the Radia Series upward, with the A50 Signature positioned as ARCAM’s most advanced integrated amplifier to date and the CD25 arriving as the new flagship CD player in the range.
The A50 Signature connects directly to ARCAM’s amplifier history. The company was founded in Cambridge in 1976 as A&R Cambridge and later shortened its name to ARCAM in the 1980s. The “A” has always stood for amplification, and the A50 Signature keeps that part of the company’s identity front and center.
ARCAM co-founder John Dawson was involved in the project, with his signature appearing on the rear cowl and PCBs. The point is not retro theater. ARCAM says his role was to help ensure the amplifier reflects the company’s long-standing design philosophy while addressing how people listen today.
The A50 Signature is the first ARCAM integrated amplifier to use a fully dual mono Class G architecture. Each channel has its own PCB, output stage, Class G lifter stages, power regulation, and transformer windings. The design is intended to improve channel separation and reduce crosstalk.
Power output is rated at 150 watts per channel into 8 ohms. Digital conversion is handled by an ESS ES9039Q2M DAC in a fully differential configuration, supported by an ESS reference voltage regulator.
Connectivity is broad. The A50 Signature includes HDMI eARC/ARC, USB-C audio, optical and coaxial S/PDIF inputs, two-way Bluetooth with Snapdragon Sound, lossless-capable Bluetooth support, and Auracast. Analogue inputs include three RCA inputs, one balanced XLR input pair, and a built-in Class A MM/MC phono stage. RS232, trigger input/output, and USB service access are also included.
ARCAM CD25: A New Flagship CD Player for Radia
The CD25 is ARCAM’s new flagship CD player for the Radia Series and continues the company’s long-running work in disc playback. It supports CD, CD-R, and CD-RW playback and is designed to pair with the A50 Signature, SA45, SA35, A25+, or any amplifier with suitable analogue inputs.
The technical story is more substantial than “new CD player, nice glass front.” ARCAM says the CD25 is its first design since the FMJ D33 DAC to use a dual mono DAC architecture, with separate conversion paths intended to improve stereo separation and channel performance. It is also ARCAM’s first product to use ESS Hyperstream 4 DAC technology.
The CD25 uses a linear toroidal power supply, chosen for stable, low-noise operation and consistent analogue output performance. ARCAM has also included a vibration-damped internal structure to support accurate disc reading and reduce mechanical interference during playback.
Outputs include balanced XLR and single-ended RCA analogue connections, giving the CD25 some flexibility in higher-performance two-channel systems. The balanced outputs also make it a natural partner for the A50 Signature, which includes a balanced XLR input pair.
Visually, the CD25 follows the rest of the Radia Series, with a glass front panel, OLED display, and metal chassis. It looks modern without pretending that CD playback needs to apologize for itself.
Radia Series Expansion
The A50 Signature and CD25 represent the fourth phase of ARCAM’s Radia platform, moving the range into higher-performance integrated amplification and premium CD playback. Both products are designed to work as part of a wider ARCAM system rather than as isolated components.
That approach fits the brand. ARCAM’s best products have usually been about practical engineering, system matching, and long-term usability — not theatrical reinvention with a commemorative napkin.
The Bottom Line
The ARCAM A50 Signature and CD25 are not just anniversary products with nicer badges. The A50 Signature is technically significant because it is ARCAM’s first fully dual mono Class G integrated amplifier, with separate PCBs, output stages, Class G lifter stages, power regulation, and transformer windings for each channel. Add 150 watts per channel into 8 ohms, an ESS ES9039Q2M DAC in fully differential mode, HDMI eARC/ARC, USB-C audio, balanced XLR input, MM/MC phono, Snapdragon Sound, and Auracast, and this becomes the most complete Radia amplifier so far.
The CD25 matters because it pushes ARCAM’s CD playback platform forward with dual mono DAC architecture, ESS Hyperstream 4 DAC technology, a linear toroidal power supply, vibration-damped construction, and balanced XLR outputs. For listeners with large CD collections, it gives the Radia Series a proper disc source rather than treating physical media like an awkward relative at dinner.
Together, the A50 Signature and CD25 move Radia into more ambitious territory: higher-power Class G amplification, better digital architecture, broader system connectivity, and a renewed commitment to CD playback. Not retro. Not lifestyle fluff. Just ARCAM remembering what the “A” is supposed to stand for.
Pricing & Availability
The ARCAM A50 Signature and CD25 will make their global debut at High End Vienna 2026 and are expected to become widely available Q3 2026.
- ARCAM Radia A50 Signature Integrated Amplifier – $2,999.95 USD (€2,799, or £2,499).
- ARCAM Radia CD25 CD Player – $1,799.95 USD (€1,599, or £1,499).
For more information: arcam.co.uk
Related Reading:
- More High End Vienna 2026 Coverage
- ARCAM Expands Radia Series With New AVAs, Power Amps And Preamp At ISE 2026
- ARCAM Launches Radia Series Loudspeakers, Marking Its Return To Speakers At ISE 2026 Barcelona
- ARCAM Launches Radia A5+, A15+, A25+ Integrated Amps At CEDIA 2025 With AptX Lossless And HDMI EARC
