| Design: | Two-way bass reflex |
| 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): | 40-100W |
| Nominal Impedance: | 8 Ω (min. 3.5 Ω) |
| Sensitivity (2.83V/1M): | 85 dB |
| *Weight: | 7.8 kg (17.2 lbs.) |
| Dimensions (HWD per Speaker): | 305 x 200 x 311 mm (12 x 7.9 x 12.2 in.) |
Arcam A15+ with KEF LS50 META
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It was back in the mid-1970s when Doug Brady introduced the very first amplifier from A&R Cambridge (as the company was then known) — the A60. This model featured prominently in many of our magazine advertisements and helped establish our reputation in British hi-fi. Since then, Arcam has produced many highly regarded amplifiers. The Arcam A15 continued that legacy with great success, earning a reputation for performance and reliability. Naturally, expectations are high for its successor, the Arcam A15+, 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 input
- Hi-res audio ESS ES9018 DAC
- Meticulously tuned phono stage
- Class AB amplification
- 2x 80 Watts (8Ω) power output
- Compact remote control
- Solid aluminium dials
- Aluminium front, top, sides and rear panels
- Plastic free packaging
Signature Arcam Sound, With More Power
Like the more affordable A5, the A15+ retains Arcam’s signature full-bodied, smooth sound — but with added power. It delivers greater clarity, scale, and precision, making it a perfect choice for pairing with tower speakers, filling larger rooms, and enjoying music at higher volumes without compromising quality.
Built on Decades of Expertise
The “A” in ARCAM stands for amplification — the foundation of everything we do. The A15+ represents the latest chapter in almost 50 years of amplifier innovation, beginning with the launch of our first product in 1976, the A&R Cambridge A60. Following the award-winning ARCAM Radia A15, our engineers have gone further still, creating a more powerful, better-sounding, and more versatile integrated amplifier in the A15+.
Impressive Connectivity
The A15+ offers a wide range of connectivity options, including analogue inputs and a meticulously tuned phono stage for vinyl lovers. It also features modern digital inputs, including HDMI eARC, making it ideal for enhancing both music and TV audio with impact and precision.
Wireless Audio Without Compromise
Equipped with an upgraded power supply and advanced wireless capabilities, the A15+ is ready to perform straight out of the box. Snapdragon Sound delivers uncompressed Bluetooth audio, while Auracast allows multiple compatible headphones or speakers to stream music wirelessly — with no pairing required.
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.
A15+ Integrated Amplifier Specifications
| Continuous Power Output: | (0.5% THD) 2 channels driven |
| 8Ω, 20Hz – 20kHz: | 80W |
| 4Ω, 1kHz: | 120W |
| 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: | 192, 176.4, 96, 88.2, 48, 44.1 kHz |
| Digital Inputs – Bit Depths: | 24, 16 |
| 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): | 500W |
| General – Power Consumption (Standby): | <0.5W |
| General – Dimensions (W x D x H): | Including speaker terminals and feet: 431 x 344 x 98mm |
| General – Weight (Net): | 10 kg |
| General – Weight (Packed): | 13 kg |
| Supplied Accessories: | Mains lead(s), Remote control with 2 x AAA batteries, Quick Start Guide, Important Safety Instructions |
LS50 META Specifications
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