littlemart Posted June 9, 2020 Posted June 9, 2020 Gustard Gustard A18 AK4499 DAC [TBA] --------------------------------------------- GUSTARD DAC-X26 Dual ES9038PRO The X26 features a high-performance digital filter and GPLL-M1 high-precision phase-locked loop module self-developed by Gustard. We developed our own high-performance digital filter solution on the Analog Device SHARC digital audio DSP platform. The solution is equipped with a high-performance anti-aliasing noise algorithm developed by Gustard, which uses high-precision floating-point 64-bit arithmetic in some key digital signal processing. This algorithm has been optimized for ESS Technology DACs to ensure high sound quality. The GPLL-M1 high-precision phase-locked loop module has ultra-low residual phase noise, and the recovered audio clock implements an ultra-low jitter at the femtosecond level. Thanks to the complex algorithm, the jitter suppression performance is excellent, and the additional jitter introduced by various factors can be easily solved; The master clock of the ES9038 chips is also supplied by the GPLL high-precision phase-locked loop module. It works directly in synchronous mode to bypass internal ASRC resampling and no longer relies on ASRC to guarantee performance (no need for 100M clock). Specification: Digital filter PCM: VIVID (recommended) / COMPOSITE / GENTLE; NOS mode (only 176.4K and above can be open), no digital oversampling, direct conversion of the original signal; DSD: 47K/50K/60K/70K; Digital inputs： IIS、USB: PCM 16-32bit/44.1、48、88.2、96、176.4、192、352.8、384 、768kHz ；DSD64、DSD128、DSD256、DSD512； Coaxial: PCM 16-24bit /44.1、48、88.2、96、176.4、192、384 kHz ；DOP64、DOP128 Optical、AES/EBU: PCM 16-24bit /44.1、48、88.2、96、176.4、192 kHz ；DOP64 XLR interface definition: US standard (1 ground, 2 hot, 3 cold) Online Retail @ USD1299, USD1399 respectively exclude GST Here Selling at: $1800 (without USB) , $1900 (with USB) Best Performance is use with Gustard U16 USB Interface. Do inquire if there is any current promotion Gustard DAC-X12 - Single ES9018 Sabre Selling at: Clearance price $599 ---------------------------------------------------------- Gustard DAC A20H - Dual AK4497 GUSTARD recently announced a new DAC-- A20H, It is the successor of X20 DAC, Gustard have researched DAC for years and developed some good products in very good reputation. A20H is based on dual AK4497 DAC chips which is the latest flagship product from AKM, The DAC is specially optimized for better performance and sound presentation. LPF section is constructed with discrete components at class A working status,It is the biggest advantage than the other DACs on market,The transistors in LPF are matched for original sound. GUSTARD A20H premium dual AK4497 DSD DAC D/A converter with XMOS asynchronous USB, Original fully balanced circuit from DA to amplifier without any conversion,With unbalanced output and balanced output,Integrated high performance headphone amplifier Selling at: $1300 $1150 ---------------------------------- Gustard DAC-X9 - Dual WM8741 - Digital Input: balanced Spdif AES/EBU port, RCA, Toslink Optical input and USB - Analog Output: balanced analog output via XLR port, single ended output via RCA port - Dual WM8741 - USB 2.0 interface for asynchronous playback 1BIT / 2.8224MHz sampling rate of DSD digital signal also is DSD64 Maximum support 384KHZ / 32Bit, DSD USB - DAC Support sample 24bit 192k Selling at: $525 $450 ------------------------------------ Gustard H20 High End Class A Headphone Amplifier / Pre-Amplifier A sequel to the popular H10, the Gustard H20 is a powerful class-A headphone amplifier with a variety of inputs and outputs. In fact, with an output of 12,000 mW at 32 ohms, it’s one of the most powerful we’ve ever sold. In addition to the 4-pin XLR output, it has a 6.35-millimeter low gain and a 6.35-millimeter high gain. There’s even an output for dual 3-pin XLR: a welcome sight for those who use this rarer balanced out with their headphones. Two XLR outputs function as a prestage and are ideal for sending out to high-end studio monitors. Each channel uses two independent amplifying units to form a symmetrical output line. The front class consists of a single 4-way amplifier circuit, using two LM49720 dual op amp. Have a separate pre-stage output,can be connected to active speakers or pure after the class. The use of matrix relay volume,effective to ensure that 4-way volume unanimous; The H20 has already garnered a lot of excitement from Head-Fi users. Description: Line input: 1*RCA, 2*XLR Line output: XLR * 1 (Preamp output) Amp output: 1*6.35mm single-ended high resistance, 1*6.35mm single-ended low resistance 2*Three-core balanced Output, 1*four-core balance output There is Pre-amp output,Gustard H20 could be used as Power amplifier and Pre Amp connecting Active Monitor. Come in Black / Silver Selling at: $1250 ------------------------------------ Gustard H10 High End Class A Headphone Amplifier Class A headphone amplifier with high current current output. For each channel in the amp it has 2 independent amplification circuit. The H10 features two independent amplification circuits for the left and right channels, four gain switches, two RCA inputs, and two balanced XLR inputs. There are 4 pre-buffer adjustment functions build in with the amplfier and that mean the amplifier using pre-stage buffer and main amplifier components. By using 4 paris audio power tube output circuit, the H10 could easily drive variety of different impedance headphones. The Gustard H10 built in with 2pcs 25W transformer and they correspond left and right channels power supply and highly reduce the channel crosstalk. Selling at: a) $525 $450 [glow=red,2,300]Gustard H20 High End Class A Headphone Amplifier (available for pre-order[/glow]) --------------------------------------------------------- Gustard XMOS U12 USB Interface USB Interfaces not only provide just the various interface for connection to DAC, it is also a high Performance device to reduce the jitter to the minimum. It is often encourage to go through them before to a DAC. Not even a Asyn DAC can reduce much jitter as much as an USB Interface does - DSD support 128, PCM supports 384K - wo 0.1PPM precision crystal 45.1584M 49.1520M - International voltage AC115V-230V, the need to manually adjust - XMOS-U8 chip, support 32BIT/500MIPS digital signal processing unit - Input :USB input x1 - A total of four kinds of output: Coaxial (RCA), optical fiber, AES / EBU, IIS (HDMI port) Coaxial fiber AES / EBU output formats IEC60958 and AES3-r2009 standard limits the maximum support 24Bit / 192kHz; IIS can transmit 32B 384K Selling at: $225
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