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GUSTARD

GUSTARD DAC-X30 Bridge Network Streaming Decoder ESS9039SPRO X 4 DAC

GUSTARD DAC-X30 Bridge Network Streaming Decoder ESS9039SPRO X 4 DAC

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GUSTARD DAC-X30 Network Streaming Decoder

Key Features

  • Quad ES9039SPRO DAC Chips: Utilizes 4 ESS ES9039SPRO flagship chips for decoding, with two chips per channel to form a fully balanced architecture.
  • DSP Digital Filter: Developed on the Analog Device SHARC digital audio dedicated DSP platform, featuring high-performance digital filter programs and anti-aliasing noise algorithms.
  • Built-in OCXO Constant Temperature Crystal Oscillator: Ensures stable and high-precision clock signals.
  • K2 Synthesizer: Synchronizes clock implant technology for superior decoding accuracy.
  • FPGA Programmable Logic Chip: Manages digital signal processing, including clock management, DOP demodulation, and PCM/DSD depop switch.
  • I/V-Converter and Parallel Connection Circuit: Converts DAC current into analog voltage to fully utilize the ES9039SPRO's high current capabilities.
  • Analog LPF Circuit: Discrete Class A circuit designed for optimal performance and sound quality.
  • Passive Analog Preamp: Features R2R relay volume adjustment for sound quality without loss.
  • Independent Power Supply: High-quality audio toroidal transformers for digital and analog power supplies, ensuring no interference.
  • Comprehensive Network Support: Supports Roon, Airplay, UPnP, NAA, and Spotify via LAN.
  • Multiple Digital Inputs: Includes USB, optical, coaxial, and LAN inputs for versatile connectivity.
  • High-End Analog Outputs: Balanced XLR and single-ended RCA outputs for high-fidelity audio.

Description

The GUSTARD DAC-X30 is a high-performance network streaming decoder that leverages four ESS ES9039SPRO flagship DAC chips to deliver superior sound quality. The device incorporates a variety of advanced features, including a DSP digital filter, built-in OCXO constant temperature crystal oscillator, K2 synthesizer, FPGA programmable logic chip, I/V-converter, and discrete Class A analog LPF circuit. With an independent power supply for digital and analog circuits, the DAC-X30 ensures minimal interference and optimal performance. Additionally, it offers comprehensive network support for protocols such as Roon, Airplay, UPnP, NAA, and Spotify.

Specifications

  • Digital Input: LAN with support for Roon, Airplay, UPnP, NAA, and Spotify
  • LAN Speed: 100/1000Mbps
  • 10M Clock (BNC): Input impedance 50 Ohm, 0dBm-20dBm, CMOS square wave 0.2V-3.3V, sine wave 0.5V-3.3V
  • Analog Output:
    • Frequency Response: 20Hz-20kHz ±0.2dB
    • Dynamic Range: >130dB
    • Signal to Noise Ratio: >129dB
    • Channel Crosstalk: -139dB @ 10kHz
    • THD+N: ≤0.0001% @ 1kHz
    • IMD: ~0.001% @ -1dBFS
    • RCA Output Level: 2.5Vrms (Fixed), Impedance: 100 Ohm
    • XLR Output Level: 5.1Vrms (Fixed), Impedance: 100 Ohm
  • Power Supply: AC 115V/230V 50/60Hz, Power Consumption: <30W
  • Dimensions: W430 x D300 x H80 (including foot 92) mm
  • Package Size: L530 x W400 x H180 mm
  • Weight with Package: 10KG

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