Arcam A5+ with KEF LS50 META (2025 Model)
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Arcam A5+ with KEF LS50 META (2025 Model)
It was back in the mid-1970s when Doug Brady introduced the very first amplifier from Arcam – then known as A&R Cambridge – the A60. This iconic model featured prominently in many of our magazine advertisements at the time. The Arcam A5 continued that legacy with great success, earning a reputation for performance and reliability. Naturally, expectations are high for its successor, the Arcam A5+, 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
- Hi-res audio digital inputs
- ESS ES9018 DAC
- Meticulously tuned phono stage
- Class AB amplification
- 2x 50 Watts (8Ω) power output
- Compact remote control
- Solid aluminium dials
- Aluminium front, top, sides and rear panels
- Plastic free packaging
Nearly 50 Years of Amplification Expertise
The ARCAM A5+ is designed to bring people together through shared listening experiences with family and friends. The “A” in ARCAM stands for amplification – the foundation of everything we do. This latest model represents the culmination of almost five decades of amplifier innovation, dating back to our very first product in 1976: the A&R Cambridge A60. Building on the award-winning ARCAM Radia A5, our engineers have continued to push the boundaries, resulting in an amplifier that’s even more capable and refined.
Engineered for Today’s Listener
At the heart of the A5+ is a newly enhanced power supply and state-of-the-art wireless functionality. With Snapdragon Sound, it delivers lossless digital audio via Bluetooth, while Auracast allows multiple compatible headphones or speakers to stream audio simultaneously – no pairing required. This forward-thinking technology ensures effortless connectivity, whether you're enjoying a personal session or sharing your music with others.
Versatility Meets Precision
The A5+ offers a wide selection of digital and analogue inputs, including a meticulously tuned phono stage for vinyl enthusiasts. Whether you're streaming music, spinning records, or connecting traditional hi-fi components, the A5+ guarantees superb sound quality across all sources. It's a modern integrated amplifier that stays true to Arcam’s longstanding dedication to precision audio and elegant design.
KEF LS50 META
The Kef LS50 Meta is the replacement for the iconic LS50 speaker which was released way back in 2012 as a limited anniversary model and was one of the most award-winning speaker products ever released by KEF, receiving accolades from such publications as Stereophile, What Hi-Fi, and The Absolute Sound. So the new LS50 Meta have a lot to live up to.
Pushing the Technological Boundaries
The new KEF LS50 Meta pushes the technological boundaries in its mission to create the best possible sound, Metamaterial Absorption Technology (MAT) is a highly complex maze-like structure that eliminates unwanted sound from the rear of driver, resulting in a purer, more natural performance. MAT is the physical manifestation of that drive. The result of a joint development project with the Acoustic Metamaterials Group, MAT breaks completely new ground in loudspeaker design….
LS50 Meta’s baffle is engineered from an injection-moulded Dough Moulding Compound, while inside the cabinet cross bracing and Constrained Layer Damping combine to deaden internal vibrations. The result of such meticulous attention to detail is the lowest coloration of any speaker in its class. Using Computational Fluid Dynamics, the port flare and profile of LS50 Meta’s patented off-set port is calculated to delay the onset of turbulence, and the flexible port walls prevent resonances from colouring the midrange. This leads to improved clarity, with exceptional depth and detail..
Redesigned and Improved
KEF's trademark Uni-Q driver has also been redesigned and improved, incorporating the new Meta technology. The Kef LS50 Meta certainly shares a likeness with the original. But while LS50 is a great speaker, LS50 Meta and the technological advances it boasts offer a truly dramatic improvement in sound quality…
The Kef S2 Floor Stands are optional but a must in our opinion, improving the performance and making them look simply stunning in any room.
A5+ Integrated Amplifier Specifications
| Continuous Power Output: | (0.5% THD) 2 channels driven |
| 8Ω, 20Hz ‐ 20kHz: | 50W |
| 4Ω, 1kHz: | 75W |
| Harmonic Distortion: | 80% power, 8Ω at 1kHz: 0.003% |
| 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: | 192, 176.4, 96, 88.2, 48, 44.1 kHz |
| Digital Inputs – Bit Depths: | 24-bit, 16-bit |
| 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: <20dBm |
| General – Mains Voltage: | 100V or 110–120V or 220–240V, 50–60Hz |
| General – Power Consumption (Maximum): | 350W |
| General – Power Consumption (Standby): | <0.5W |
| General – Dimensions (W x D x H): | Including speaker terminals and feet: 431 x 344 x 83mm |
| General – Weight (Net): | 8.14 kg |
| General – Weight (Packed): | 11.36 kg |
| Supplied Accessories: | Mains lead(s), Remote control with 2 x AAA batteries, Quick Start Guide, Important Safety Instructions |
LS50 META Specifications
| Drive units | Uni-Q Driver Array: HF: 25 mm (1 in.) vented aluminium dome with Metamaterial Absorption Technology MF/LF: 130 mm (5.25 in.) aluminium cone |
| Crossover frequency | 2.1 kHz |
| Frequency range (-6dB) | 47 Hz - 45 kHz |
| Typical in-room bass response (-6dB) | 26 Hz |
| Frequency response (±3dB) | 79 Hz - 28 kHz |
| Harmonic distortion (90dB, 1m) | <0.4% 175 Hz - 20 kHz <0.1% 300 Hz - 10 kHz |
| Maximum output | 106 dB |
| Amplifier power (recommended) | 40-100 W |
| Nominal impedance | 8 Ω (min. 3.5 Ω) |
| Sensitivity | 85 dB |
| Dimension (H x W x D) per unit | 302 x 200 x 280.5 mm (11.9 x 7.9 x 11.0 in.) |
| Weight | 7.8 kg (17.2 lbs.) |
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