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GUSTARD A18 AK4499EQ MQA Balanced High-Performance Audio Decoder
Note: This is the latest version with MQA.
The Gustard DAC-A18 is a balanced DAC that benefits from a particularly careful design to deliver a sound of great purity and incredible richness.
"Looks like the A18 aims at very high level of performance, stopping just shy of heroic efforts to squeeze down the last bit of noise and distortion. In return if my memory is serving me correctly, you save money compared to the ones that do go that extra inch. So you more choice of pricing and performance in the top bracket.
I am happy to recommend the Gustard A18 DAC." - Audio Science Review
The GUSTARD DAC A-18 uses the latest Flagship Premium D/A Converter AK4499EQ chip from Asahi Kasei Microdevices Corporation (AKM).
This state of the art 4-channel chip utilizes a current-output architecture in contrast to the previous generations of voltage output chips, allowing for first-time industry-leading levels of extremely low noise and distortion.
The GUSTARD A-18 has an incredibly low level of THD+N (124dB) combined with high SNR of 140dB.
The A-18 has a natively balanced architecture with a fully balanced output. (no single-ended or differential conversion)
Using Altera MAX II CPLD programmable logic chip, self-developed logic function digital integrated circuit, built-in clock management, 2nd PLL digital shaping, DOP demodulation, PCM/DSD depop switch, and other exclusive technologies, laying a solid foundation for excellent sound quality.
The IV conversion circuit is equipped with four independent LME49860 dual op-amps.
These ultra-low distortions, low noise, high slew rate dual op-amps to meet high current requirements AK4499 chip resulting in the best sound quality output combined with the lowest level of measurable distortion.
The active low-pass filter (LPF) utilizes 2 LME49860 dual op-amps from Texas Instruments.
Builtin linear power supply (custom made toroidal transformer) for low voltage ripple, low magnetic leakage, and minimal interference.
TPSA33 and TPS7S47 ultra-low noise linear regulators.
2 Ultra-low jitter high accuracy Accusilicon AS318-B femtosecond crystal clocks.
Latest Qualcomm CSR8675 high-end Bluetooth 5.0 chip supporting AAC, SBC, APTX, APTX LL, APTX HD, LDAC, reaching up to 24bit/96kHz for the highest quality audio transmission.
High-quality audio grade Nichion capacitors.
Latest USB audio controller XU208 from XMOS, supporting up to PCM768 DSD512 32bits.
1 Remote control for easy high-quality digital volume adjustment (0dB~-90dB), adjusting screen brightness, changing the DAC modes, and digital filters.