DEVIALET Astra Solo

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Specifications and features

Astra Solo: Audiophile Innovation by Devialet

The Astra Solo by Devialet represents a major breakthrough in the world of high-end stereo preamplifiers. This product embodies the expertise and innovation of the French brand, renowned for its revolutionary audio technologies. The Astra Solo stands out for its ability to deliver an exceptional sound experience, combining power, precision, and sound purity.

Cutting-edge Technologies for Audio Excellence

At the heart of the Astra Solo is the ADH (Analog Digital Hybrid) Intelligence technology, patented by Devialet. This innovation merges the benefits of analog and digital amplification, allowing for sound reproduction of remarkable fidelity. The ADH Intelligence ensures precise sound signal reproduction while providing the necessary power, all with optimal energy efficiency.

The Astra Solo also incorporates SAM (Speaker Active Matching) technology, which analyzes the characteristics of connected speakers in real-time to adjust the audio signal accordingly. This feature guarantees perfect synergy between the preamplifier and the speakers, thus optimizing the overall sound quality of the system.

Design and Ergonomics

True to Devialet’s sleek aesthetic, the Astra Solo boasts a minimalist and elegant design. Its brushed aluminum casing, available in Light Bronze finish, blends seamlessly into any interior. The compact dimensions of the device contrast with its impressive performance, illustrating Devialet’s expertise in miniaturizing audio components.

The intuitive user interface consists of an OLED touchscreen and a multifunction control wheel. This ergonomic design allows for easy navigation between different sources and settings, offering a smooth and enjoyable user experience.

Connectivity and Compatibility

The Astra Solo stands out for its versatility in terms of connectivity. It features digital (optical, coaxial, USB) and analog (RCA, XLR) inputs, allowing connection to a wide range of audio sources. Wireless connectivity is provided by Wi-Fi and Bluetooth, offering the ability to stream music from mobile devices or streaming services.

The preamplifier is compatible with high-resolution audio formats, supporting PCM up to 24-bit/192 kHz and DSD. This capability ensures faithful reproduction of the most demanding audiophile recordings.

Exceptional Acoustic Performance

Thanks to its advanced technologies, the Astra Solo delivers remarkable sound performance. Total harmonic distortion (THD) is kept at an extremely low level, ensuring exceptional clarity and transparency of sound. The extended dynamics and precision of the soundstage allow you to rediscover your favorite tracks with unprecedented detail.

The preamplifier excels in reproducing low frequencies, thanks to Devialet’s HBI (Heart Bass Implosion) technology. This innovation allows for deep and controlled bass, even at high volumes, without audible distortion.

Scalability and Updates

The Astra Solo benefits from Devialet’s philosophy of scalability. Regular firmware updates, based on the EVO audio architecture, continuously enhance the device’s performance. These updates can introduce new features or optimize sound processing algorithms, ensuring that the Astra Solo remains at the forefront of audio technology.

Amplification and Sound Processing

Amplification Technology: Next-generation ADH®
Output Power: 2 × 300 W RMS (4 Ω), 2 × 150 W RMS (8 Ω)
Peak Power: 1,000 W (1 ms)
Signal Processing: DSP 192 kHz / 32 bits
Audio Technologies: SAM®, RAM®, DAC Magic Wire®

Audio Performance

Harmonic Distortion: THD+N 0.0006% (100 W RMS, 4 Ω, 1 kHz)
Signal-to-Noise Ratio: 117 dB
Frequency Response: DC to 88 kHz (± 3 dB)
Damping Factor: 2,000 (1 kHz)
Output Impedance: 0.004 Ω (1 kHz)
Crosstalk: -100 dB (300 W RMS, 4 Ω, 1 kHz)

Connectivity and Compatibility

Digital Inputs: Wi-Fi 6, Ethernet, USB-C, 4 × coaxial, 2 × optical
Analog Inputs: 2 × stereo RCA, MM/MC phono stage
Outputs: Speakers, preamplified (mono/stereo)
Wireless: Bluetooth 5.3 (AAC, SBC)
Streaming: AirPlay, Google Cast, Spotify Connect, Tidal Connect, UPnP, Roon Ready
Maximum Resolution: 384 kHz / 24 bits (USB)
Speaker Compatibility: 8 Ω to 2 Ω

Advanced Features

Phono Stage: 13 equalization curves, cartridge loading options
Chaining: Up to 8 devices
Protection: Short-circuit protection, active filtering

Design and Construction

Material: Machined solid aluminum chassis
Finishes: Light Bronze or Paris Opera Edition (23-carat gold leaf)
Surface Treatment: Anodizing, laser engraving, brushing, microbeading
Dimensions: 386 × 386 × 47 mm
Weight: 7.2 kg

Power and Consumption

Input Voltage: 100-240 V AC, 50/60 Hz
Consumption: 750 W max, < 2 W in standby, < 0.5 W when off

Accessories and Contents

Devialet Astra Amplifier
USB-C rechargeable remote control
Cables: power, USB-C for remote
User Manual
Maintenance Accessories: gloves, microfiber cloth
Certificate of Authenticity (Paris Opera Edition)

Frequently Asked Questions

Is the Astra Solo compatible with all types of speakers?

The Astra Solo is designed to work with a wide range of speakers. The SAM technology automatically adapts to the characteristics of the connected speakers, ensuring optimal compatibility and exceptional sound performance, regardless of the model used.

What is the output power of the Astra Solo?

The exact power specifications may vary depending on the configuration. However, thanks to ADH Intelligence technology, the Astra Solo delivers significant power while maintaining exceptional sound quality, capable of effectively driving most audiophile speakers.

Is it possible to integrate the Astra Solo into a multiroom system?

Yes, the Astra Solo can be integrated into a multiroom system thanks to its Wi-Fi connectivity. It is compatible with the most common streaming protocols, allowing synchronized broadcasting in multiple rooms.

How does the Astra Solo compare to other high-end preamplifiers?

The Astra Solo stands out with its proprietary technologies like ADH Intelligence and SAM, offering a unique combination of sound performance, versatility, and compact design. Its ability to evolve through software updates also gives it a significant competitive advantage.