Cen.Grand DSDAC 1.0 Super Clock
DSDAC 1.0 Super Clock
DSDAC1.0 is a high-performance audio DAC based on DSD theory. It is completely different from ordinary DAC because it has many original technologies. It does not use conventional chips for DA conversion but FPGA and discrete components for digital processing . . DSDAC1.0 can increase the frequency of all input data including PCM or dsd64 to dsd1024. If the input data is higher than the dsd128, you can also output it directly without increasing. DSD frequency raising algorithm is a very complex mathematical process, DSDAC1.0 did a good job. . One year after the standard model was launched，the super clock model was launched. Performance is futher improved
DSDAC1.0 is an audio DAC based on DSD audio technology. It took five years to develop and realized the perfect playback of DSD audio. It has three advanced audio technologies.
1: high-precision DSD frequency up algorithm,
2: synchronous direct clock,
3: clock blocking technology.
It is a perfect DSD audio DAC. DSDAC1.0 has three models : standerd, super clock model , deluxe model.
Difference between DSDAC1.0 standerd model and super clock model
1: The clock system of super clock model has higher performance, RMS jitter is as low as 100fs
2: Some advance component are used
The high-precision frequency rise algorithm is the core of DSDAC1.0. Although there are many ways to realize frequency rising but the high-precision frequency rise algorithm is a complex mathematical problem not a digital technical problem. The technology of frequency rising not only makes DSD more widely used but also makes DSDAC1.0 become leading audio DAC.
Synchronous direct clock technology : femtosecond clock inside DSDAC1.0 will be sent to the shift register directly without any intermediate conversion , so that the performance of femtosecond clock is directly reflected in the analog output. This technology is different from the use of external femtosecond clock and built-in femtosecond crystal oscillator. The use of external clock and built-in crystal oscillator can only be a source clock, it must be divided by frequency divider. In this way, there are large additive jitter which changes the femtosecond clock from femtosecond to picosecond. The clock of DSDAC1.0 can be sent to shift register directly without frequency divider, it is advanced technology of clock application .
Clock blocking. It means that the clock from the pre-devices is abandoned and the DSDAC1.0 only uses the local clock. In this way, the clock of pre-devices such as digital turntable, CD player and digital interface will no longer affect the performance of DAC. As long as the data is correct, there is no difference in any digital source. This technology is a dream of digital audio. Clock blocking is synchronization process, not the ASRC , which has great negative impact on sound quality. It solves the clock problem that has plagued the digital audio field for a long time.
DSDAC1.0 has advanced USB interface and can receives DSD source code in native mode. As a DSD DAC , receives DSD source code is a necessary function. DSDAC1.0 has two ways to input DSD source code: one is to input dsd64 via SPDIF in DOP mode , and the other is to input dsd512 via USB in native mode. The XU208 scheme of XMOS inside DSDAC1.0 has ground isolation function , the interference of the front digital source can be almost isolate. We have customized the special driver from XMOS to enable DSDAC1.0 to receive the source code of dsd512 in native mode.
Functional parameters
SPDIF sampling rate: PCM 192 kHz / dop64 (AES, optical fiber, coaxial, BNC )
USB sampling rate: pcm384 / dsd512 (native)
Output interface: one for XLR and one for RCA
Output level: 5.0V RMS (XLR), 2.5V RMS (RCA)
Volume control range: - 70dB ~ 0dB
Overall dimension: 430 * 360 * 100mm
Net weight: 10.6kg
Gross weight: 13.3kg
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