Chord Electronics Qutest - Compact FPGA DAC

Chord Electronics

$2,500.00 

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Chord Electronics Qutest - FPGA Compact DAC

The Chord Electronics Qutest Digital to Analogue converter is the starting point with which to experience a desktop solution featuring the Rob Watts WTA filter. The Qutest is a highly resolving DAC that will present lifelike details from your favourite recordings. Built in the Chord Electronics industrial grade minimalist housing the Qutest packs a serious punch in a pleasingly compact design.

The Qutest DAC can accept a wide variety of digital signals from Coaxial, Optical or USB sources as well as featuring your choice of 4 filters to explore and fine tune the decoding process to match your sound system. The Qutest features dual BNC inputs so that it is possible to hook up the Chord Electronics M-Scaler to elevate the performance of this DAC to a whole new level.

What HiFi Five Star Review:-

https://www.whathifi.com/chord/qutest/review 

Chord Electronics have been busy lately - winning awards and introducing new products. The Qutest FPGA compact DAC is a 'pure DAC' based heavily on the multi award winning portable Chord Hugo 2.

Qutest Connectivity

Perfectly equipped to bring the benefits Chord Electronics digital technology to a wide range of connected devices, it features a galvanically isolated USB-B for, optical and coaxial digital input, giving an instant performance upgrade, plus the ability to modernise ageing digital source components.

The Qutest chassis is all-new, too. It has significantly greater mass than its predecessor and has been precision-machined from solid aircraft-grade aluminium billet. The Qutest PCB nestles within a shallow cavity in the solid aluminium chassis, giving the circuit board greater protection within the casework and additional isolation from external vibration compared to previous designs.

Qutest offers Hugo 2’s proprietary user-selectable frequency-shaping filters and input selection controls, available via two fascia-mounted spheres, introducing useful flexibility. It also features RCA analogue outputs for connection to integrated amplifiers, preamps and headphone amps, plus high-resolution dual-data digital inputs for connection to future Chord Electronics products.

A further new feature is a user-selectable output voltage available in 1, 2 and 3V RMS outputs for flexible connectivity with a wide range of partnering devices. 

 

Qutest Specifications

Connectivity (input): USB Type B (White): 44.1kHz – 768kHz – 16bit – 32bit

2x BNC Coax (Red): 44.1kHz – 768kHz – 16bit – 32bit

Optical (Green): 44.1kHz – 192kHz – 16bit – 24bit

Connectivity (output): 1x stereo pair of RCA (Left and Right)

PCM support: 44.1kHz, 48kHz, 88.2kHz, 96kHz, 176.4kHz, 192kHz, 358.8kHz, 384kHz, 717.6kHz, and 768kHz.

DSD support: Native playback supported. DSD64 (Single) to DSD512 (Octa-DSD)

Variable output: Fixed, but selectable between 3v (blue), 2v (green), and 1v (red) via dual press of ‘Filter’ + ‘Input’ upon startup

Driver support: Driverless with Mac OS X and Linux, driver required for Windows OS

Chipset: Chord Electronics custom coded Xilinx Artix 7 (XC7A15T) FPGA

Tap-length: 49,152

Pulse array: 10 element pulse array design

Frequency response: 20Hz – 20kHz +/- 0.2dB

Output stage: Class A

THD: <0.0001% 1kHz 3v RMS 300Ω

THD and noise at 3v RMS: 117dB at 1kHz 300ohms ‘A’ wighted (reference 2.5v)

Noise 2.6 uV ‘A’ weighted: No measurable noise floor modulation

Channel separation: 138dB at 1kHz 300Ω

Weight: 770g

Digital designer: Rob Watts

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