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sahmen
52
Aug 17, 2018
Can someone clarify this for me? How really similar is this SDAC-B to the DAC section of the Massdrop Grace Design M9XX?
The DAC of the M9XX' properties are described this way:
"The digital section of the m9XX utilizes a top-of-the-line AKM chip. Part of the newest generation of converters from AKM, the AK4490 features 256x oversampling, 32-bit processing, and sample rate compatibility from 44.1 kHz all the way to DSD128. The m9XX even offers a variety of anti-aliasing filters to choose from, something that is rarely included in this price range or physical size. The digital USB controller is an eight-core XMOS processor that operates in asynchronous mode and is immune to USB buss jitter, which can adversely affect sound quality in the transfer. The m9XX is also capable of receiving a digital signal up to 96 kHz/24 bit via Toslink."
On the other hand, the description of the SDAC-B's "Advanced features" only mentions that the chip for this SDAC-B, the AKM AK4452, is from the same family as the AK4490 of the M9XX. But what does that exactly mean in terms of what each one of them can exactly do and not do?:
"The SDAC-B is equipped with the AKM AK4452 digital-to-analog conversion chip from the same family as the one used in the m9XX DAC/amp, our first collaboration with Grace Design. On the back panel, you’ll find a balanced output, three-pin XLR outputs, and a coaxial SPDIF digital input, which will allow the DAC to interface with balanced amplifiers and single-ended amplifiers at the same time. The three-pin XLR outputs also give you the ability to connect to powered speakers and use software volume control. On past projects, the community has been vocal about wanting a USB-B connector, so we added one to the SDAC-B, too!"
I notice that that the description of the M9XX DAC contains more specific technical details of its capabilities (sample rates, DSD compatibility, filters etc etc), details that are missing from the description of the "Advanced features" of the SDAC-B...
I am curious because I already have the M9XX, and I am considering the SDAC-B as a standalone DAC which I might pair with my Cavalli Liquid Carbon for occasional transportable desktop use. What I find appealing about the SDAC-B is its balanced topology and connectivity (which the M9XX lacks) , although, from the descriptions, I cannot determine how close its other technical specs come to those of the M9XX... Does the SDAC-B have the same filter/crossfeed/DSD functionalities as the M9XX, for example?
I'd appreciate some further clarifications about these technical specs of the SDAC-B
Typhoon859
141
Aug 17, 2018
sahmenI would like to know as well.
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