GUSTARD X26PRO
HIGH-END DESKTOP DAC WITH MQA SUPPORT AND BLUETOOTH 5 CONNECTIVITY
As new version of the Gustard DAC-X26 the X26Pro offers a range of new enhancements designed to deliver greater performance and versatility. These includes a state-of-the-art Bluetooth 5.0 receiver, an improved clock generator, MQA decoding and improved heat dissipation. The X26Pro's uncompromising design incorporates top-quality components that deliver detailed, accurate, dynamic sound.
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ES9038Pro Dual DAC
At the heart of X26Pro are two DAC ESS ES9038Pro DAC chips for digital-to-analog conversion. Therefore, each channel has its own conversion chip and power supply to ensure the best possible sound performance. In addition, these chips also support high sampling rates, which in the case of the Gustard X26Pro can go up to 32-bit 768 kHz PCM and DSD512 on USB and I2S inputs.
These chips are accompanied by a Class A LPF that integrates only separate components, optimized specifically for ES9038Pro DACs.
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Ultra low noise clock generator
The X26Pro features a K2 clock generator that provides a second clock speed and synchronizes decoding. This allows the performance of the DAC to be independent of the source equipment.
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Altera MAX II CPLDp style="text-align: center;">
The logic functions of the X26Pro are entrusted to one CPLD, including the clock control system, second PLL digital processing, DoP decoding and many other functions that contribute greatly to the performance of the device. 
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Filters and SHARC DSPp style="text-align: center;"
>The Gustard X26Pro offers a variety of digital filters, PCMs, and DSDs to adjust audio reproduction to your listening and audio system while reducing residual noise. In order to offer high-quality filters, Gustard decided to develop its own filters using a DSP Analog Device SHARC chip. This solution integrates the anti-aliasing algorithm designed by Gustard, using a high-precision 64-bit floating-point system. In addition, this algorithm is optimized to work perfectly with ESS DACs and ensure the best possible sound quality.
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XMOS USB interface
Behind the USB-B input of the X26Pro is a high-performance XMOS XU216 USB interface. This interface allows for fast and efficient data processing while supporting high-resolution data streams.
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Power supply
The X26Pro's power supply uses two toroidal transformers and a separate 8-channel hybrid I/V conversion circuit. This supplies the entire system with a smooth, extremely clean and stable power supply, which is essential for high-quality sound reproduction.
In addition, each channel in the X26Pro's analog circuit uses an independent power rail to limit interference and noise.
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="" />Bluetooth 5.0
New in the Pro version of the Gustard DAC-X26 is the integration of the Qualcomm CSR8675 Bluetooth 5.0 receiver chip. This chip allows you to broadcast your music remotely and in high quality, thanks to the support of protocols such as aptX HD and LDAC.
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Connect
The Gustard X26Pro has a complete set of connectors that can be matched to many audio systems. Inputs include USB-B, I2S LVDS via HDMI, coaxial, AES, optical and Bluetooth reception. On the output side, X26Pro offers balanced XLR and unbalanced stereo RCA. Note that the analog circuit of the device uses a balanced architecture without conversion with complete separation of the two outputs.
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