Do you hear any difference if you use a external Clock?

jpetek

Well-Known Member
Feb 12, 2013
140
3
923
The best DACs today use a very good internal clock. Some of them are able to connect a external clock. Do you hear any difference? I do not mean the old DACs! Only the new Generation.

Josef
 

joelha

Well-Known Member
Jun 16, 2013
15
2
78
I use a Mutec MC-3+ and an atomic clock on my DCS Debussy. Definitely an improvement. I wouldn't do without it.

Consider that even DCS' Vivaldi stack includes an external clock as one of its components.

Joel
 

Bruce B

WBF Founding Member, Pro Audio Production Member
Apr 25, 2010
7,007
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Snohomish, WA
www.pugetsoundstudios.com
The only time an external clock makes a difference is if you are using 2 or more converters at a time. I have NEVER, had an external clock make a single converter sound better, unless the unit was either broken or poorly engineered...
 

audioarcher

Well-Known Member
May 6, 2012
1,396
51
970
Seattle area
External clocks seem like a good marketing ploy to get more money out of your pocket. Why not just use a better clock in the DAC to begin with? Are more boxes and cables really better if the DAC is designed well with the best parts?
 

FrantzM

Member Sponsor & WBF Founding Member
Apr 20, 2010
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Yes among others. In the Exasound e20 DAC I just bought it comes with a 130 femtosecond clock. I ugraded to a 80 fs clock for $100.

Did you experience an improvement?
 

audioarcher

Well-Known Member
May 6, 2012
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Seattle area
I did not get to hear the difference between the two. I just ordered it that way. I guess the marketing worked on me as well.;)
 

edorr

WBF Founding Member
May 10, 2010
3,139
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Smyrna, GA
I did not get to hear the difference between the two. I just ordered it that way. I guess the marketing worked on me as well.;)

for $100 for 80fs clock this is no brainer. I paid $5K for a 140fs clock - that takes a more sophisticated marketing approach.
 

FrantzM

Member Sponsor & WBF Founding Member
Apr 20, 2010
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I did not get to hear the difference between the two. I just ordered it that way. I guess the marketing worked on me as well.;)

:D

for $100 for 80fs clock this is no brainer. I paid $5K for a 140fs clock - that takes a more sophisticated marketing approach.

Indeed :)
 

flyer

VIP/Donor
Dec 16, 2012
423
179
1,160
Belgium
I have a Weiss Jason and Medea combo. I put a Grimm CC1 clock between both and the resolution, the speed, the delineation of instruments, tightness of bass and treble all improve. I think the clock in the Jason and/or Medea are specced so many years ago and the world has moved on, of which the Grimm is a clear example although it is not a rubidium or other exotic clock neither, just a very good one I like to think ;).

How do I connect the drive and the DAC? well, the CC1 has the unique feature that it not only allows to connect in either master or slave to the wordclock ins/outs of drives and DAC's (which the Weiss don't have) but it also has a reclocking function whereby you enter with an AES cable and go out with the same (converter for RCA/AES exists as well) accepting signals all the way to 196/24

So far my experience...

oh, and in case you might ask, no, there isn't any loss in dynamics or veilness (quite on the contrary).
 

microstrip

VIP/Donor
May 30, 2010
20,807
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Portugal
External clocks seem like a good marketing ploy to get more money out of your pocket. Why not just use a better clock in the DAC to begin with? Are more boxes and cables really better if the DAC is designed well with the best parts?

External clocks can have a real advantage if you have a system with different units, such as transport and DAC, as they will be synchronized to the some box. Also putting the clock in an external box with separate power supply can make it less sensitive to the noise of the digital systems that will use it. Weather it really results in sound improvement is surely open to debate, and until some generous fellow allows me to borrow a DCS Vivaldi stack I can not have an opinion! ;)
 

hifial

New Member
Apr 7, 2013
91
0
0
I had my e20 MK III for about a month with the 130 Clock and then had George at exaSound do an 82 Clock for me. It was an obvious improvement. It was even more quite, there was more air, body and harmonics. For a $100 bucks it is more then worth it and the best bargain for the improvement in sound it brings. I told George he should just make the e20 MK III with the 82 Clock and just up his price a $100.
 

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