Arcam SA45 + KEF Q Concerto META Speakers
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Arcam SA45 + KEF Q Concerto META Speakers
The ARCAM SA45 is designed for dedicated music lovers who seek both power and precision in their listening experience. It integrates advanced technology to capture even the most delicate details in music, ensuring that subtleties, nuances, and excitement are preserved.
Expertly Crafted
Expertly crafted in Cambridge, UK, it builds on the legacy of the ARCAM A49 amplifier, featuring fully balanced digital and analogue audio paths, a new digital streaming platform, and a linear toroidal power supply for optimal performance.
Features
- All new, ultra High-Resolution Streaming Platform to deliver on sound quality and user experience.
- ARCAM Class G Amplification with 2x 180W of ultra-low distortion power.
- Balanced analogue and digital audio paths.
- MM & MC Phono inputs.
- HDMI eARC input.
- Dual Subwoofer outputs and Dirac Live Room Correction.
- High-resolution display for clealy visible album artwork and metadata.
- Supports Apple Airplay, Chromecast, Spotify Connect and Tidal Connect.
- Setup with ARCAM Radia App for presets, Internet Radio and Podcasts.
- Supports up to 32 bit / 768 kHz Hi-res audio.
- Roon Ready (after launch).
Hyperstream
The SA45 achieves exceptional sound quality through a new 6-layer digital audio and streaming platform. This design includes a ground plane that eliminates noise and interference, protecting sensitive audio components. The system also features ESS’s latest Hyperstream iV DAC in a balanced configuration, with advanced jitter elimination for pristine sound. The linear toroidal power supply further reduces noise, ensuring efficient performance, while a standby switching supply operates for peak efficiency.
Rich Class G Power
Drawing on decades of innovation, the SA45’s 5th generation Class G amplifier design delivers superior sound quality and dynamics. This amplifier is renowned for being more efficient than traditional Class amplifiers, with components and materials meticulously selected for uncompromised audio performance. This ensures that the SA45 produces dynamic and rich sound, perfect for any audiophile.
Beautiful Screen
The SA45 is equipped with a large 8.8″ high-resolution display, making it easy to view album artwork and metadata.
Your Music, Your Way
It supports a wide range of devices and streaming services, including Apple Airplay, Google Chromecast, Spotify Connect, Tidal Connect, and Roon. Easy to set up via Wi-Fi with the ARCAM Radia App, the system also offers compatibility with Amazon Music, Qobuz, and global internet radio. With Dirac Live Room Correction and subwoofer outputs, the SA45 is adaptable to any room and speaker configuration, ensuring an immersive audio experience.
A Concert in Speaker Form
The KEF Q Concerto META honours the classic Concerto, originally launched in 1969, by making high-fidelity audio more accessible for home use. As the first 3-way bookshelf speaker in the Q Series, it integrates advanced technology from KEF’s higher-end ranges, including The Reference and R Series. The Concerto META features the latest Uni-Q driver array, enhanced bass, and a sleek cabinet design, delivering superior performance and modern aesthetics.
The Q Concerto META benefits from a larger cabinet and an additional LF driver, resulting in improved frequency separation, more pronounced bass, and clearer stereo imaging. This combination of features ensures a richer, more detailed sound experience, making it an excellent choice for stereo setups and home theatre systems in medium to smaller rooms.
Building on KEF’s award-winning heritage, the Q Series now includes the latest 12th generation Uni-Q driver array and Metamaterial Absorption Technology (MAT™).
This iteration offers enhanced sound clarity and reduced distortion through a refined 3-way design and revolutionary sound absorption. The Q Series also incorporates Shadow Flare technology to minimise cabinet diffraction, ensuring precise and immersive audio for both music and cinematic experiences.
Features
- Metamaterial Absorption Technology (MAT™) removes 99% of high-frequency distortion for clear, natural sound.
- 12th generation Uni-Q driver array with MAT for accurate acoustics.
- Improved crossover design for cleaner sound.
- Three-way design for better clarity and detail
- Hybrid aluminium bass driver for deep, powerful sound
- Available in Satin Black, Satin White, and Walnut finishes.
- Magnetic grilles combine protection and style.
- KEF SQ1 Floor stands available
SA45 Streaming Amplifier Specifications
| Continuous Power Output: | (0.5% THD), Per Channel |
| 2 Channels Driven, 20Hz—20kHz, 8Ω: | 180W |
| 2 Channels Driven, 1kHz, 4Ω: | 300W |
| Harmonic Distortion | 80% power, 8Ω at 1kHz: 0.002% |
| Analogue Inputs | |
| Number of Inputs: | 3x RCA pairs + 1 XLR pair |
| Phono Inputs: | MM and MC |
| Frequency Response: | 20Hz—20kHz ± 0.2dB |
| Signal/Noise Ratio: (A-wtd, ref. 50W, 1V input) | 106dB |
| Digital Inputs | |
| Supported Streaming Media: | FLAC, WAV (LPCM), AAC, ALAC, AIFF, DSD (up to 256), MP3, MP4, OGG, WMA |
| Supported Streaming Bit Depth: | 16, 24, 32 |
| Supported Streaming Sample Rates: (kHz) | Up to 384 kHz |
| Gapless Playback: | Yes |
| Digital Audio Inputs: | 1x HDMI eARC, 2x Coaxial (RCA), 2x Optical (Toslink) |
| Supported Digital Input Bit Depth: | 16, 24 |
| Supported Digital Input Sample: Rates (kHz) | Up to 192 kHz |
| Frequency Response: (Filter 1) | 20Hz—20kHz ± 0.2dB |
| Signal/Noise Ratio: (A-wtd, ref. 50W, 0dBFS) | 110dB |
| Wireless Specifications | |
| Bluetooth Profile 5.4: | A2DP Sink/Source, AVRCP, BLE, Snapdragon Sound, AAC, LE Audio, Auracast |
| Bluetooth Transmitter Frequency and Power: | 2,402 MHz to 2,480 MHz <13dBm |
| Wi-Fi Network: | IEEE 8002.11 a/b/g/n/ac/ax (2.4GHz/5GHz) |
| 2.4G Wi-Fi Transmitter Frequency Range and Power: | 2400-2483.5 MHz (USA 11 Channels, Europe and Others 13 Channels) <20dBm |
| 5G Wi-Fi Transmitter Frequency Range and Power: | 5150-5250 MHz <23dBm, 5250-5350 MHz & 5470-5725 MHz <20dBm, 5725-5850 MHz <14dBm |
| General | |
| Mains Voltage: | 100V or 110–120V or 220–240V, 50–60Hz |
| Power Consumption: (Maximum) | 1000W |
| Power Consumption: (Standby) | <0.5W |
| Dimensions W x D x H :(Including Speaker Terminals and feet) | 432 x 390 x 140mm |
| Weight: (Net) | 17 kg |
| Weight: (Packed) | 20 kg |
KEF Q Concerto Specifications
| Design: | Three-way bass reflex |
| Drive Units: | Uni-Q Driver Array: HF: 19 mm (0.75 in.) vented aluminium dome with MAT, MP: 100 mm (4 in.) aluminium cone, LF: 165 mm (6.5 in.) hybrid aluminium cone |
| Frequency Range: (-6dB) | 40 Hz - 20 kHz |
| Typical In-room Bass Response: (-6dB) | 36 Hz |
| Frequency Response: (+3dB) | 48 Hz - 20 kHz |
| Crossover Frequency: | 430 Hz, 2.9 kHz |
| Amplifier Requirement: | 15-180 W |
| Sensitivity: (2.83V/1m) | 85 dB |
| Harmonic Distortion: (90dB, 1m) | <2% 37 Hz and above, <1% 91 Hz - 20 kHz |
| Maximum Output: | 103 dB |
| Impedance: | 4 Ω (min. 3.2 Ω) |
| Weight: | 9.5 kg (20.9 lbs.) |
| Dimensions: (H x W x D) | 415 x 210 x 315 mm |
| Finishes: | Satin Black / Satin White / Walnut |
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