VERTEX: AQ Aletheia DAC-1: Looking For a Quiet Life?

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Paul Rigby writes .....

The idea is that if you separate each major component within a hi-fi system, you reduce inherent noise and increase the sound quality. You see this every day, of course. People take apart integrated amplifiers all of the time (in a design sense….not literally) and divide them into a pre-amp plus two monoblocks. Phono amps are treated in a similar way. I use a two-box phono amplifier, for example. Separating the transport of a CD player from the DAC is another common approach to enhancing sound quality.

The difference with this particular DAC and the reason for its high cost is the extra lengths that Vertex AQ goes to reduce noise. It utilises a systematic approach, in one box, to the DAC design. At its core, the DAC is a 16bit, non-oversampling, non-output filtered design using a TDA 1543 DAC chip (the same one that you’ll find in the CAD DACs, incidentally), “We believe in it because its about the only chip out there that does not have .....

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