It was way back in the mid-1970s when Doug Brady showcased the first amplifier from A&R Cambridge (as the company was then known) — the A60, which featured in many of our magazine adverts. The Arcam A25 continued that legacy with great success, earning a reputation for performance and reliability. Naturally, expectations are high for its successor, the Arcam A25+, which is set to carry the torch forward. Features Wireless audio with Bluetooth 5.4 Featuring Snapdragon Sound for wireless lossless audio Featuring Auracast for connecting wireless headphones or speakers to play music in multiple spaces HDMI eARC and USB-C inputs Hi-res audio ESS ES9018 DAC Meticulously tuned phono stage Class G amplification 2x 100 Watts (8Ω) Power Output Compact remote control Solid aluminium dials A 6.5" high-resolution bonded display Aluminium front, top, sides and rear panels Plastic free packaging The Best of the Radia+ Range The ARCAM A25+ is the best sounding and most versatile of Arcam’s Radia+ integrated amplifiers. The A25+ is the latest in nearly 50 years of amplifier design and manufacture, dating back to their first product in 1976 — the A&R Cambridge A60 amplifier. Continuous Innovation Since the launch of the award-winning ARCAM Radia A25, it is clear they haven’t rested. Their engineering team pushed further to create the premium ARCAM A25+, an even better sounding and more versatile integrated amplifier. Extensive Connectivity With a wide array of analogue inputs, including a meticulously tuned phono stage, and digital inputs including HDMI eARC and USB-C, the A25+ provides impactful sound for everything from vinyl to TV and streaming. Cutting-Edge Performance The A25+ features an enhanced power supply design, a new DAC, and cutting-edge wireless capabilities straight out of the box. Snapdragon Sound delivers uncompressed digital audio via Bluetooth, while Auracast enables multiple compatible headphones or speakers to share music wirelessly, with no pairing required. Superior Amplification Technology Powered by our 5th generation Class G amplifier design, you can expect the best sound quality and dynamics from what has always been a better sounding and more efficient class of amplifier. Perfect Stream for ARCAM Radia The ARCAM ST25 is an ideal high-resolution audio upgrade for any Hi-Fi system, particularly when paired with the ARCAM Radia A25+ amplifier. The ST25 includes a control link to integrate seamlessly with Radia amplifiers, allowing the two components to function as one unit. This combination enhances the listening experience by providing isolated components with their own power supplies for superior sound quality. Advanced Audio Engineering The ST25 is a state-of-the-art digital audio player designed and crafted in Cambridge, UK. It features an all-new digital audio and streaming platform, a linear toroidal power supply, a user-friendly interface, and a dedicated app. This combination ensures that the player delivers top-tier audio performance for the most discerning listeners. Precision in Sound Quality The ST25’s sound quality is achieved through meticulous engineering, incorporating a 6-layer digital audio and streaming platform. A ground plane runs through the entire board, reducing noise and interference, while advanced components like the Hyperstream iV DAC from ESS, in a balanced configuration, enhance sound precision with jitter elimination. The linear toroidal transformer power supply further reduces noise and improves overall efficiency, particularly when in standby mode. High-Resolution Display and Easy Connectivity A 6.5" high-resolution bonded display on the ST25 provides clear album artwork and metadata, easily visible from your seating area. The player supports a wide range of devices, including smartphones and tablets, and works seamlessly with popular streaming services. Connecting to your home network is straightforward with the ARCAM Radia App, enabling instant playback via Apple Airplay, Google Cast, Spotify Connect, Tidal Connect, and Roon. A25+ Integrated Amplifier Specifications Continuous Power Output: (0.5% THD) 2 channels driven 8Ω, 20Hz – 20kHz: 100W 4Ω, 1kHz: 165W Harmonic Distortion: 80% power, 8Ω at 1kHz: 0.002% Analogue Inputs – Number Of Inputs: 3 (RCA pairs) Analogue Inputs – Signal/Noise Ratio: (A-weighted, ref. 50W, 1V input): 106dB Analogue Inputs – Frequency Response: 20Hz—20kHz ± 0.2dB Phono (MM) Input – Input Impedance: 47kΩ + 100pF Phono (MM) Input – Frequency Response: (ref. RIAA curve): 20Hz—20kHz ± 1dB Digital Inputs – Supported Sample Rates: USB-C Only: 384, 352.8, 192, 176.4, 96, 88.2, 48, 44.1 kHz; All other digital inputs: 192, 176.4, 96, 88.2, 48, 44.1 kHz Digital Inputs – Bit Depths: 32, 24, 16 Digital Inputs – Supported DSD Rates: USB-C Only: 256, 128, 64 Digital Inputs – Frequency Response: (Filter 1): 20Hz—20kHz ± 0.2dB Digital Inputs – Signal/Noise Ratio: (A-weighted, ref. 50W, 0dBFS): 109dB Headphone Output – Maximum Output Level: (RMS) into 32Ω / 300Ω: 2.5V / 5V Headphone Output – Load Range: 16Ω – 2kΩ Wireless Specifications – Bluetooth Version: 5.4; A2DP Sink/Source, AVRCP, BLE, Snapdragon Sound, AAC, LE Audio, Auracast Wireless Specifications – Bluetooth Transmitter Frequency And Power: 2,400 MHz to 2,483.5 MHz:
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