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Devialet Expert 250 Pro Integrated Amplifier

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Expert Pro is the world’s most advanced audiophile system, meant for music lovers in search of a refined and emotional listening experience. Designed to replace traditional Hi-Fi systems, Expert Pro delivers all the core elements of playback – preamp, amp,... Read More
Integrated Amplifiers -

Expert Pro is the world’s most advanced audiophile system, meant for music lovers in search of a refined and emotional listening experience. Designed to replace traditional Hi-Fi systems, Expert Pro delivers all the core elements of playback – preamp, amp, DAC, streamer, phono stage – in a single and ultra-compact unit. By rethinking sound reproduction at every turn, Devialet engineers have been able to achieve the best performance ever measured, at all power levels. With a precise and natural attack, explosive dynamics, naked silence and beautifully true timbre, the experience is breathtaking.

Entirely configurable and upgradable, Expert Pro reveals your music’s full potential, whatever the source or speakers.

Experience the ultimate audiophile tool.
Expert Pro online Configurator lets you tailor your system to your slightest preference. Choose between up to three different functions per connector (digital or analog input or output). Define active filters in multi-channel or dual-mono. Configure your phono stage with absolute precision. Taken to new extremes, Expert Pro Configurator guarantees a seamless fit with your sources and speakers. 

Roon Ready
Roon and Devialet are thrilled to announce that Expert Pro systems have been awarded Roon Ready certification, bringing the best of Roon’s features to the Expert Pro range.  

A piece of craftmanship for extreme performance
The Expert 250 Pro pushes the limits of power amplification thanks to an exclusive hand-polished casing, equipped with a 100% pure copper bottom plate.

Specifications:

  • Range:  Stereo
  • Exclusive Technologies:  ADHV2®, SAM®, AIR®, EVO®, DAC Magic Wire®, RAM®, Core Infinity
  • Streaming Services:  UPnP,  Airplay®,  Spotify Connect
  • Daisy Chaining:  Up to 8 units
  • Phono Stage:  Advanced (MM / MC)
  • Pre-Amplified Output:  Yes (mono / stereo)
  • Casing:  Hand-polished Carved out from a single aluminium block 100% pure copper bottom plate for optimal thermal dissipation
  • Side plating:  Dark chrome finish
  • Dimensions:  Length: 400mm | Width: 400mm | Height: 40mm
  • Weight:  9.7Kg

Performance:

  • Power:  2x250 Watts RMS under 6Ω
  • Distortion at Full Power:  0.0005% THD+N
  • Distortion at 10W:  0.00025% THD+N
  • Signal-to-Noise ratio:  130dB
  • Output impedance:  0,001Ω
  • Damping factor:  8000
  • Bandwidth:  DC-30kHz (-0.1dB) DC-95kHz (-3dB)
  • Phase Rotation:  0.4° at 20kHz,  1.8° at 40kHz
  • Thermal distorsion:  Below measurement threshold
  • Intelligence:

1x QUAD-CORE 1GHz CPU
2x SHARC 400MHz DSP
1x 16MHz RISC processor
4x 40MHz RISC processor
1x 64MHz RISC processor

Connectivity:

Wi-Fi:
2.4GHz / 5GHz 802.11ac, compatible with 802.11a/b/g/n
Ethernet: 
RJ45 100/1000 Mbps
USB: 
USB Audio 2.0 Asynchronous
Very low latency
Bi-directionality (for digitisation of the analog sources)
Digital Coaxial Inputs: 
Up to 4x RCA 75Ω
Digital Optical Inputs: 
1x TOSLINK
Up to 1x miniTOSLINK 3.5mm
Supported Formats: 
Up to 32bits / 192kHz PCM (USB)
Up to 24bits / 192kHz PCM (AIR®, UPnP, AES/EBU, Coaxial)
Up to 24bits / 96kHz PCM (Optical)
Up to 1bit / 3.072000MHz DSD64 (USB, Coaxial)
Analog Inputs:
Up to 2x RCA stereo
Sensitivity adjustable via the Configurator
Advanced phono stage (MM / MC)
Speaker output: 
4mm banana plugs, fork connectors or stripped cables
Compatible with all speakers from 8Ω to 2Ω
Short-circuit protection
Active filtering available
Home Automation: 
Up to 1x RS232 3.5mm 115200 bauds (documentation available via the configurator)
Trigger: 
3.5mm trigger connector
Trig In and Trig Out

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