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In Reply to: RE: REVIEW: LessLoss DAC MKII DAC Processors posted by Zozo on April 25, 2009 at 23:53:02
If you recall you recommended the TC Electronic Konnekt 8 to me a while back. Unfortunately I have still not pulled the trigger on it. My reason is that I have been enjoying this DAC in master mode for so long now with the CEC TL-51X that I still don't think a reasonably priced computer set-up can beat it. Liudas offered to sell me the LL USB converter that plugs into the digital input on the back of the DAC, but I haven't done that either.
I had the same idea with the Transporter, but according to Liudas the clock frequency in my DAC is 16.XXX and so any transport or device with a word clock input must have a clock with the same frequency for the DAC to operate in master mode. Some LL DACs have jumpers where you can change the clock frequency for the Word output, mine does not. Reason I bring this up is if the clock frequencies in your DAC and the Transporter were different, maybe you were not getting the best performance.
Still it is good to know that you see the benefits of running the combo so the DAC is in master mode, This is the best digital set-up I have heard, not that I have heard them all, but I've heard enough. It does come the closest to analog IMO.
Follow Ups:
Sure, I do remember exchanging e-mails on TC Electronic Konnekt 8, good to hear from you! That was before I tried the CEC transport, but I still believe that the Konnekt 8 is a stunning value (15 times less than the Lessloss DAC) if you want to set up a very good computer based system. It is also good as a firewire/spdif converter.
Since then I tried Mytec 8X192 Series AD/DA converter ($4100) which is much better of course. Unfortunatelly I had sold my Mac mini by then, so I used it on a Windows based system. Sounded close to the Lessloss but more "analytical" if that makes any sense. (In the meantime I also got tired of ripping, converting, and all the rest, so I gave up completely on computer audio.)
I have 2 clocks in my LL DAC and also wordclock output, so I have 6 bitclock frequencies and 4 wordclock frequencies I can choose from. I wasn't sure what I would slave in the end, that's why I ordered these options. I'm still thinking of buying an old and cheap CD player and slave it, just to compare it to the CEC. So, the Transporter was slaved properly. In fact I put the jumpers in the wrong position once and got 48kHz out. Everybody sounded 5 years old on the records...
I'm still thinking about the Konnekt 8 as a headphone based computer audio set up for the bedroom. Like you though I find ripping stuff a chore. I might instead do some down loading from Internet sites that have music I like.
Lucky for you that you have all those options on the LL DAC. I bought mine used so while I got a great deal money wise. only have the one option for word clock frequency.
Hi, this is Liudas (Louis) from LessLoss. Thanks for posing your impressions, guys!
Rest assured, the clock frequencies match up. We worked this out by email. Remember this is a SYNCHRONOUS slaving. That means there is no rounding. Trying to run Synchronous slaving with two different clocks is impossible. It wouldn't sound just less than perfect, it will sound like nothing, or white noise, or like a chain saw grinding its way through your favorite record collection (especially the one that's playing...).
I still am amazed at how difficult this all seems for people to grasp. It is actually very simple: Transporter uses only WordClock input. So, we give it the WordClock signal, which is 48 kHz or 96 kHz or 44.1 kHz or whatever the audio is. This frequency is arrived at by dividing the SuperClock frequency by a finite integer value.
If you use rounding, then you have bad sound. Asynchronous solutions give you worse digital (electronic-like) sound since they have rounding.
The 6 digital setups tell the story at this link.
So no native hi-res 88.2-96 kHz files can be played via Lessloss USB device, correct?
I was just wondering if there's some special tricks or clocking going on inside your USB-spdif device compared to other "run-of-the-mill" devices.
Also, do you have any future plans for asynchronous USB inputs or Networked asynchronous DAC, much like the new Ayre asynch USB DAC or PS Audio PerfectWave DAC?
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