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In Reply to: Re: Benchmark DAC-1, Lavry DA10, Altmann Attraction posted by fmak on April 10, 2007 at 06:50:19:
...
Follow Ups:
"hypothetical" issues ...Hmm, I was a bit skeptic at first as well, but Lavry removing claims of non-upsampling in the latest revision of the manual would confirm the accusation on DIY hifi.
Not that it changes the good sound of Lavry, but I AM upset about how Mr. Lavry has handled the situation and this issue of false claims. I did buy this DAC in first place since it did claim "no upsamling". In any case, I had already decided to keep my NOS Wavelength Brick around but these "hypothetical" issues might have convinced me to sell the DAC anyway.
Die gefährlichste Weltanschauung ist die Weltanschauung derjenigen, die die Welt nicht angeschaut haben.
Alexander von Humboldt (1769-1859)
Drink the wine... forget the bottle.
...but winebottles from the area that I grew up in are just nicer :-)
Die gefährlichste Weltanschauung ist die Weltanschauung derjenigen, die die Welt nicht angeschaut haben.
Alexander von Humboldt (1769-1859)
The vast majority of DAC manufacturers can be cited in some way for false claims. There's so much confusion and misinformation in the realm of digital audio, if I were to cite all of it, I'd have to quit my day job.Somehow, it seems like Lavry is being accused of producing a DAC that uses ASRC. (If nothing else, at least some other people are now realizing that ASRC is a technological fraud.) But based on what I've heard from the DA10 DAC, in my own system, either the citations are false or Lavry found a way to utilize ASRC that is totally unobtrusive. I suspect the former case.
Todd, as mentioned I was skeptical as well but nowhere does it say anymore that the DA10 does NOT use ASRC. In fact they removed the claim of no ASRC from the DA10 manual:From DA10 Manual Rev. 3.1:
The LavryBlack DA10 features:- Ultra low jitter modes (without sample rate conversion).
- Included sample rate conversion for non standard rates.
From DA10 Manual Rev. 3.2: - Ultra low jitter modes.
The LavryBlack DA10 features:
- Included sample rate conversion for non standard rates.
In summary is seems the first version of the DA10 did not use SRC (the one you tried out), but after claims of locking problems with that series seemed to be changed to SRC. Not sure whether the sound between the two versions changed.
Die gefährlichste Weltanschauung ist die Weltanschauung derjenigen, die die Welt nicht angeschaut haben.
Alexander von Humboldt (1769-1859)
I see what you're stating..... I had one of the very first units out of the factory (with the swapped channel markings). There was no semblance whatsoever to the "HF artifacts" of ASRC. The top was a clean as a DAC could be.I didn't realize there was a change to the unit itself. I thought it was a text clarification.
It looks like what happened is you ordered an "original" unit (without ASRC in "normal" modes), and unsuspectingly received a "revised" unit (which *may* now use ASRC). But you chose that unit expressly because it did *not* use ASRC under normal conditions.
Do you notice a "noise" or "haze" in the highs, by chance? Or does the sound seem pristine up there?
If I were you, I'd try to find someone with an earlier DA10, and request to borrow it, to find out if the sound actually did change. Or request Lavry to roll back the "revision" of your unit.
According to Lavry, he found out "how to take advantage of using the sample rate ic while compensating for it. We did upgrade all of the first run units to the current revision."So there should not be two versions out there, just one.
The only problem, again according to Lavry, was that they failed to reflect the engineering revision in their manual description (apparently prepared by their marketing people/person).
Per Lavry, that was what the fuss was about.
Mel
As for the sound of the Lavry, mine did NOT have the slightly artificial highs and haze that surrounds some instruments which I have heard from upsampling units. It is not quite as smooth in the highs as my Wavelength Brick NOS DAC. I sold my Lavry a short while ago since I did prefer the Brick anyway. Also, the Brick makes for a much simpler Apple Mac based system.
I didn't realize there was a change to the unit itself. I thought it was a text clarification.It seems Lavry did some revisions to the board over the last year. The impresssion I got from the DIYAudio thread was that one of the revisions must have quietly made the switch to SRC, without any changes to the manual. The change in the manual only came AFTER the DIYAudio thread controversy.
Die gefährlichste Weltanschauung ist die Weltanschauung derjenigen, die die Welt nicht angeschaut haben.
Alexander von Humboldt (1769-1859)
...it is singled out because I BOUGHT one (mainly due because of the lack of SRC).
Die gefährlichste Weltanschauung ist die Weltanschauung derjenigen, die die Welt nicht angeschaut haben.
Alexander von Humboldt (1769-1859)
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