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Digital Drive Upsamplers, DACs, jitter, shakes and analogue withdrawals, this is it. |
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Digital Drive Upsamplers, DACs, jitter, shakes and analogue withdrawals, this is it. |
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In Reply to: RE: Not even close posted by J. Phelan on July 16, 2009 at 19:35:33:
> > Spectral still *might* be minimum-phasing - they're famous for their secrecy. < <
Yes, they are famous for their secrecy. But I'm quite confident that they are not using a minimum phase digital filter.
> > But their statements from the past would make me question anything they say now.... < <
I think that is not the correct response. The page you linked was a *dealer's* webpage and not the Spectral webpage. Another poster pointed out that the major mistake was actually probably just a typo where they meant to type "PMD-100" instead of "PMD-200". Then everything else they said would have made perfect sense.
I have never known Spectral to make any misleading claims about any of their products. They are clearly world-class designs offering outstanding performance and build quality.
Pacific Microsonics (inventors of HDCD and now out of business) walked a fine line between secrecy and (deceptive?) misinformation. But that is *not* the case with Spectral. While they are not forthcoming with an abundance of technical information, neither have they ever made any misleading or deceptive claims. I have the highest respect for their company and products.
And I'm also sure that they aren't using minimum phase filters. However, since their current CD player *does* use custom DSP chips to implement their digital filters, it would be very easy for them to perform a simple firmware update that would change the filters to just about anything they wanted to offer.
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Follow Ups
- Spectral has never made any misleading claims - Charles Hansen 07/17/0919:57:04 07/17/09 (0)
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