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In Reply to: RE: Best processors -but best tech ? posted by J. Phelan on February 21, 2017 at 11:04:08
I didn't read every reply, but in your original post, you left out the PS Audio Directstream DACs, that use FPGAs and have made firmware updates available at no charge. That can't be cheap, especially when you consider the man hours it took to program.
I thought DCS had created their own proprietary Ring DAC,not using an off the shelf dac? And I just looked at the Chord website, they use FPGAs too. So, I think some of your info is not correct. How they implement those FPGAs is beyond my technical understanding. Chord says the Dave has a million lines of code.
I will say that with many companies using the same chips, it comes down to implementation, and the all important analog side. But as with most audio gear, the fancy case is the single most expensive individual part.
Follow Ups:
There are probably a *hundred* processors I left out. Units that use FPGAs are low-bit devices. In my piece, I listed world-beating processors that use ladders in architecture - 16 bit pure-resistors.As already indicated (below), implementation has been the excuse for 20 years. It no longer works - something is happening with discrete-ladders. I'm just reporting the trend...
Edits: 02/24/17
"But this product is not alone, as (most other) world's best DACs are similar. Whether the Chord Dave, EMM DA2, Simaudio 780D, Berkeley Alpha Ref, DCS DACs, Gryphon Kalliope -all of these use 1 to 6 bit (cheap) D-to-A converters, with lots of band-aide processing."
The DACs I commented on don't use "cheap" converters. That is all I am saying.
DCS may not be 'cheap'...6-bit hybrids that have carefully-written algorithms can sound wonderful. It just seems strange that a (new) group of top-rated processors use an old-fashioned approach.
Beyond conversion, there's a lot of hype these days of 'Quad DSD'. But if I understand the speeds correctly, this is slow (256fs) compared what many were doing 12 years ago, when 768fs came out.
(2) points that question the technical advance of today's processors.
Edits: 02/25/17 02/25/17
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