Arcam A50 Signature with R25 Bookshelf Speakers
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Arcam A50 Signature with R25 Bookshelf Speakers
ARCAM marks 50 years of exceptional amplification with the launch of the A50 Signature integrated amplifier. From its beginnings as A&R Cambridge in the 1970s, ARCAM has been defined by a commitment to music through engineering integrity, and a distinctly British sound.
Features
- The 1st ARCAM Dual-Mono Class G Integrated Amplifier
- 2x 150W Power Output powers loudspeakers effortlessly
- Built-in Class A MM & MC phono stage for exceptional music from vinyl with almost any turntable and cartridge
- ESS ES9039Q2M DAC with USB-C and HDMI e-ARC inputs for the best sound from any streamed audio source
- Wired or wireless headphones connect your headphones for quiet listening with, or without wires
- Wireless audio with Snapdragon Sound and Auracast built-in for the best sound with the most convenience
- Plastic free packaging for easy disposal or natural materials
The story began in September 1976 with the launch of the original A60. Half a century later, the A50 Signature honours that legacy while looking firmly to the future. Created in collaboration with ARCAM co-founder John Dawson, the A50 Signature reflects a shared belief that great audio design must remain relevant to how people listen today.
Rather than recreating the past, the A50 Signature is designed for modern music enjoyment in all its forms. From high-resolution streaming and HDMI eARC TV audio to CD and vinyl. Digital or analogue, it connects effortlessly to the sources that matter most, placing the listener at the centre of the experience.
At its heart is a landmark engineering achievement: ARCAM’s first dual-mono Class G integrated amplifier. Developed from nearly two decades of Class G expertise, the A50 Signature delivers exceptional power, clarity, and control, with each channel built as a fully independent amplifier. The result is a level of performance worthy of ARCAM’s 50-year legacy.
The A50 Signature is not just a celebration of where ARCAM has been, but a statement of where it is going — continuing a tradition of amplification that brings music to life.
R25 Bookshelf Speakers
The ARCAM R25 brings the engineering excellence of the Radia Loudspeaker Series into a sleek, stand-mount design—perfect for modern living spaces where style and performance matter. Whether placed on a dedicated stand or a cabinet, the R25 delivers the full ARCAM experience in a form that fits effortlessly into your home.
Features
- 25mm (1-inch) DCC dome tweeter with Acoustic Lens and Waveguide for a detailed and effortlessly natural sound throughout your room
- Micro Ceramic Composite (MCC) woofer cone that is stiff and damped for distortion-free performance
- Inverted surround and trim ring cover both to conceal the hardware for a sleek aesthetic, and reduce damaging high frequency cabinet diffraction
- Newly patented cast frame engineered to optimize airflow for maximum cooling, reduced weight, increased rigidity, and improved performance
- Precision 2-Way Crossover featuring premium components to achieve seamless transducer integration
- Magnetically attached grille for a clean, seamless look with no visible attachments
At its heart is a 25mm (1-inch) Deep Ceramic Composite (DCC) dome tweeter, mounted in our advanced Acoustic Lens waveguide, ensuring smooth, natural highs and a wide, immersive soundstage—even when listening off-axis. Paired with a 165mm (6.5-inch) Micro Ceramic Composite (MCC) woofer, the R25 handles both midrange and bass with precision, producing rich, rhythmic sound that brings music to life and makes every beat feel effortless.
Like all other Radia Series speakers, the R25 features precision-engineered driver frames for optimal airflow and rigidity, and a hidden mounting system for a clean, elegant front panel. The cabinet, finished in premium Black Walnut veneer, combines timeless beauty with acoustic integrity, featuring rigid internal bracing for resonance free bass.
Inside, a carefully tuned 2-way crossover network uses premium components to preserve every nuance of your music. This design ensures seamless integration between the tweeter and woofer, creating a sound that feels open, dynamic, and deeply engaging—perfect for those who live for music with rhythm and energy.
The ARCAM R25 delivers the essence of Radia performance in a compact form—bringing you closer to the music you love
A50 Integrated Amplifier Specifications
| Continuous Power Output (0.5% THD): | 2 channels driven |
| 8Ω, 20Hz–20kHz Power Output: | 150W* |
| 4Ω, 1kHz Power Output: | 220W* |
| Harmonic Distortion (80% Power, 8Ω At 1kHz): | 0.002%* |
| Number Of Analogue Inputs: | 3 (RCA pairs) |
| Signal-To-Noise Ratio (A-Weighted, Ref. 50W, 1V Input): | 106dB* |
| Frequency Response (Analogue Inputs): | 20Hz–20kHz ±0.2dB* |
| Phono (MM) Input Impedance: | 47kΩ + 100pF* |
| Phono (MM) Frequency Response (Ref. RIAA Curve): | 20Hz–20kHz ±1dB* |
| Supported Sample Rates (USB-C Only): | 384kHz, 352.8kHz, 192kHz, 176.4kHz, 96kHz, 88.2kHz, 48kHz, 44.1kHz |
| Supported Sample Rates (Other Digital Inputs): | 192kHz, 176.4kHz, 96kHz, 88.2kHz, 48kHz, 44.1kHz |
| Supported Bit Depths: | 32-bit, 24-bit, 16-bit |
| Frequency Response (Digital, Filter 1): | 20Hz–20kHz ±0.2dB* |
| Signal-To-Noise Ratio (A-Weighted, Ref. 50W, 0dBFS): | 110dB* |
| Maximum Headphone Output Level (RMS): | 2.5V into 32Ω / 5V into 300Ω |
| Headphone Load Range: | 16Ω–2kΩ |
| Bluetooth Version: | 5.4 |
| Bluetooth Profiles And Codecs: | A2DP Sink/Source, AVRCP, BLE, SBC, AAC, aptX, aptX HD, aptX Lossless, LE Audio, Auracast |
| Bluetooth Transmitter Frequency And Power: | 2,400MHz to 2,483.5MHz: <20dBm |
| Mains Voltage: | 100V or 110–120V or 220–240V, 50–60Hz |
| Maximum Power Consumption: | 700W* |
| Standby Power Consumption: | <0.5W |
| Dimensions (W × D × H, Including Feet And Speaker Terminals): | 431 × 344 × 99mm |
| Net Weight: | 12kg* |
| Packed Weight: | 14kg* |
| Supplied Accessories: | Mains lead(s), remote control with 2 × AAA batteries, Quick Start Guide, Important Safety Instructions |
R25 Bookshelf SpeakersSpecifications
| Type: | Bookshelf Loudspeakers |
| Cabinet Finish: | Black Natural Walnut Veneer |
| Recommended Amplifier Power: | 15–200 W |
| Low Frequency Driver: | 165 mm (6.5 in) Micro Ceramic Composite (MCC) Cone with inverted surrounds in patented cast frames |
| High Frequency Driver: | 25 mm (1 in) Deep Ceramic Composite (DCC) Dome Tweeter in a patented waveguide with acoustic lens |
| Enclosure Tuning: | Bass-reflex via rear-mounted port |
| Crossover Frequency: | 1.7 kHz |
| Nominal Impedance: | 6 Ohms |
| Frequency Response (±6 dB): | 43 Hz–40 kHz |
| Sensitivity @ 1 m, 2.83 V: | 85.5 dB |
| Dimensions (W × D × H): | W 246 × D 323 × H 359 mm (9.7 × 12.7 × 14.1 in) |
| Product Weight (Each): | 11.0 kg (24.3 lbs) |
| Shipping Weight: | 27.0 kg (59.5 lbs) |
| Shipping Units Of Measure: | Pair |
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