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Old 29th January 2011, 04:03 PM   #1
a.wayne is offline a.wayne  United States
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Default Emotiva Dac .....

Hello,

I'm looking to purchase this D/A unit and wanted to see what you digitalites thoughts are on it . Posting a link to pics of the internals, comments would be appreciated as to quality of parts ( or lack thereof) , potential mods , etc ...


Emotiva Audio XDA-1 Digital-to-Analog Converter


regards,
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Old 29th January 2011, 05:42 PM   #2
qusp is online now qusp  Australia
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hmm, well the spec is pretty average (102db SNR) and this doesnt mean everything, but OPA2134 also pretty average for the IV stage and will likely suffer digitalus as a result. also for a digital pre I would go for something that uses the internal digital volume of the dac chip, rather than a secondary digital volume control stage, which probably means another A->D and D->A and this will limit the SQ IMO.

price is right, but dont know whether the sound will be. also how many times can you use the words 'digital reference' in a paragraph.... they speak of a discrete output stage, but say notyhing of its pedigree
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Old 29th January 2011, 06:25 PM   #3
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I'm not an Emotiva basher - I live near their HQ in Tennessee and attended last years annual show and kinda like the idea of having a "player" in the audio field nearby. This link will point you to what some others are saying and it seems to reflect my experience with Emo (and many others also - to be fair). My position - I often wait for revision 2 - or 3 - or 4 before I jump in - esp. when it is a new product line.

Emotiva XDA-1 Initial Impressions - Audio & Video Equipment Forums

Emo does have a 30 day return policy - and from what I have seen strives very diligently to satisfy their customers. From meeting the staff etc. at the show I can vouch for the fact that they are "real" people with a passion for audio and great pride in their company and products.
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Old 29th January 2011, 06:32 PM   #4
qusp is online now qusp  Australia
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well i'm not bashing, but seriously, they need to get someone to write a different info page, I just tire of this style of ad that uses words like reference repeatedly. could be a great bed for mods, but my personal experience with OPA2134 in IV is not good at all. very dry and digital.

like I said, the price is right, give it a try, I could be totally wrong. just had a read of your link, the gain issue is a bit of a deal breaker, digital volume at the very beginning of its range is limiting the DNR substantially. DAC 1 is not a favorite of mine, I find it very dry also, perhaps that is the style they are going for when they say 'reference' dry and analytical

Last edited by qusp; 29th January 2011 at 06:42 PM.
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Old 29th January 2011, 06:32 PM   #5
a.wayne is offline a.wayne  United States
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Thanks guys .....
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Old 29th January 2011, 06:46 PM   #6
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Quote:
Originally Posted by qusp View Post
well i'm not bashing, but seriously, they need to get someone to write a different info page, I just tire of this style of ad that uses words like reference repeatedly. could be a great bed for mods, but my personal experience with OPA2134 in IV is not good at all. very dry and digital.

like I said, the price is right, give it a try, I could be totally wrong
Hi qusp!

Emo has a web site and a forum - drop 'em a line about your thoughts and concerns. They are a small company so there isn't some huge engineering chain of command ladder to climb up or get lost in. Bear in mind - just like their competitors they are designing to hit a market target and all to often that means compromise. That point gets us back to why we do it the DIY way! Hey - most of the time DIY is a better route - and sometimes - welllllllll - let's just say that sometimes we get to learn something new and unexpected.
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Old 29th January 2011, 08:07 PM   #7
qusp is online now qusp  Australia
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haha yes the magic smoke is always new and unexpected, well usually unexpected anyway I think they have it covered at the forum already, designing a dac to work with your amp and have the digital volume hardly getting off zero... I dont think letting them know my concerns on their forum when there is no chance i'm going to buy their gear is fair. for me at least DIY is rarely massively cheaper, but always more suited to my taste...in the end. chips such as the OPA211, LT1028 or OPA1641/42 are pretty reasonably priced and even going with the usual 600% markup, the difference in cost to the consumer might be 12-18 dollars, I dont know about you, but I would pay that.

unless its socketed, in which case you can just roll your own.
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Old 29th January 2011, 08:19 PM   #8
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in which case you can just roll your own.
Haven't rolled my own since school daze. Swapping out op amps is another story - but that gets us into the topic of IC's or discrete circuits - and then on to power supply noise, proper circuit grounding, phase shift, capacitor of the month discussions, balanced in and outs vs. unbalanced - blah - blah - blah. DIY - Ya gotta luv it!!!

Either that or buy something off of da shelf - which brings us full circle and back to the commercially available toys. At least Emo isn't charging several mega big bucks to get into da club!!!
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Old 30th January 2011, 03:24 AM   #9
a.wayne is offline a.wayne  United States
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PC sound card instead ....

ASUS Xonar Essence ST/STX soundcards Measurements | Stereophile.com


AV100 - PCI Express - 24 bit - Internal
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Old 30th January 2011, 04:05 AM   #10
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Cambridge Audio Azur DacMagic D/A converter Measurements | Stereophile.com
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