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 D-7I Supreme DSD DAC


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 Front Panel


•iPod digital input (USB-A)x 1 ( available at "i" model )

•Headphone x 1standard jack)


Rear Panel


•Digital input RCA x 1(192kHz/24bit), TOSLINK x 1(192kHz/24bit)

•USB digital input USB-B x1 (192kHz/24bit , DSD (DoP))

•Digital output RCA x 1 (192kHz/24bit)

•Analogue output fixed RCA x 1, XLR x 1, variable RCA x 1

•External clock input BNC x 1 (10MHz 50ohm)

•Power consumption 20WAC100V 50/60Hz)

•Operation Voltage 100 - 120 V or 220~240 V

•Dimension/Weight 300mm(W) x 73mm(H) x 266mm(D)ポ6kg




TechDas D7i Supreme DSD DAC


A fundamental characteristic for the highly acclaimed D-7 series of the standard D/A converters is to keep evolving and upgrading each version. At TechDAS we continuously work on research with the aim of improving the D-7, bringing it to new heights. During this development, starting with a fundamental principle of audio performance, we have focused on the redesign of the power supply and casing.

How much has the competition for higher resolution contributed to a better sound quality? Of course high spec data has a good amount of potential for a better sound quality but there are far more factors to define the quality itself. The overall sound relies far more on the mass of the power supply and chassis. TechDAS have accomplished refinements to those fundamental factors to push the D-7 into another dimension.

Through the development of Air Force One reference analog turntable, we at TechDAS have accumulated a substantial understanding of metallurgy. The property of metal can be drastically changed by the difference of a minute amount of alloying additives, and a great asset to us is to have such an extensive knowledge on what influences the physical property of a metal can have on sound quality, how the sound quality will change according to the combination of metals with different degrees of strength or hardness, and so on. D-7 Supreme was born from the devotion of this mining of knowledge as an authentic high-end D/A converter.