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What did a good 10 MHz clock do for your Gustard R26?

I'm auditioning an R26 and it's lovely (musical, high resolution in the microdynamics for example) but a little soft on the highest octave. The imaging is not great. On my speaker system (B&K ST120, Spendor S3/5) the images tend to collapse into left, right, center. I have a guy who does really impressive mods ... beefs up the power supply, adds ERS paper for shielding, bypass caps, etc.... but that's irreversible in case I don't like the result... I'm worried about it getting too bright after the mod. So I thought, why not try a good 10 MHz clock? I don't have the budget for a Mutec, but I could try a less expensive one and have my guy mod it and also create a good BNC cable for it. So I'm wondering what has a good 10 MHz clock done for your R26? Improve the extension on top? Improve the imaging? Has it changed the tonal balance in any way? I'd like more extended but not brighter.

magon
magon OP
29 posts
 

I love the PS Audio DS Dac's beauty and musical expressiveness. If I could find the right headphone with it, something more balanced than my LCD-2 yet with an equally beautiful midrange, I would go with the DSD no question. I've just run out of time in all this searching.

emergingsoul
971 posts
 

I don't understand why people buy external clocks. The dac itself should already come with an excellent clock. Not sure I like the idea about adding an additional box to address a deficient clock within a dac.  Plenty of higher end dacs have excellent clocks.  Maybe you're stuck with a deficient dac that should be replaced.

 

I don't like separate dacs and I have a couple but I purchased a lumin x1 which is a streamer/dac and that's working out really well.  I don't have to fiddle with extra connections and tormenting myself with a feeling I need to consider a new dac. Also the internal wiring if done well to connect a really good dac capability is far superior than dealing with additional interconnects, etc 

I'm not a fan of integrateds, but in these couple of areas above it would seem to me justifiable

soix
8,946 posts
 

I don’t understand why people buy external clocks.

Well we’ll just add that to the already huge and growing pile. I sense yet another inane thread coming our way. 🤪🙄

magon OP
29 posts
 

The Gustard C16 external clock has an OCXO with its own power supply. The R26 has a crystal but not at the level of an OCXO, and it's rare to find a DAC with a separate power supply for the clock. That's part of the benefit of an external clock.

I may have changed my mind. You should probably ignore me because I keep changing it, but I listened to another DAC this weekend (the Denafrips Terminator 1), and tried another USB cable between my Aurender and each of my DAC options. I also considered that whatever I do I'll probably have this technician friend (Igor in New Jersey) modify the DAC, and in the case of the PS Audio he can do the well-known transformer and VOCM mods, which will probably increase the resale value as it's well regarded. I decided that the PS Audio has many strengths (such as faithful/beautiful timbre and musicality) and its only weakness is a bit lacking in oomph and resolution compared to the Denafrips or my previous DAC, the modified X20 pro. Well, Igor can fix that. The R26 and Denafrips had more weaknesses with no guarantee they can be fixed. So I think the winner at this point is the PS Audio! And off to the shop to get the transformer and VOCM mod, plus a power supply component upgrade. Anyway that's the plan. I keep changing it, but I'll know for sure at least by the time the R26 has to be returned to Amazon.

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