Cybershaft new top model 10M clocks : UPOCXO-OP20A/OP21A

stevebythebay

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Oct 21, 2012
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Glad you were able to connect. So, burn on and hope you new cable arrives soon.
 

SCAudiophile

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Reply from Kenji

When the OP21A output is 50 ohm and the Esoteric clock impedance is 50 ohm, there is no problem even if you use a 75 ohm cable.

With respect, I disagree with this; while music will play and things will mostly be fine, please see other threads here and other forums where a number of people (myself included) who spent months testing this hypothesis and all related combinations of 50 and 75 things and cables). had somewhat different results. It is best to match 50 to 50 and 75 to 75 up and down the chain IMHO. But as they say YMMV.

To be clear, you can run this way while waiting for your 50-ohm cable; no damage to the clock or connected devices will occur from any
similar testing I've done.
 
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rau

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With respect, I disagree with this; while music will play and things will mostly be fine, please see other threads here and other forums where a number of people (myself included) who spent months testing this hypothesis and all related combinations of 50 and 75 things and cables). had somewhat different results. It is best to match 50 to 50 and 75 to 75 up and down the chain IMHO. But as they say YMMV.

To be clear, you can run this way while waiting for your 50-ohm cable; no damage to the clock or connected devices will occur from any
similar testing I've done.
 

stevebythebay

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Oct 21, 2012
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Great news! Hoping to get my Shunyata Sigma v2 Clock 75 cables in a few days. Will be interesting to discover how much of a difference these will have on an already great enhancement the OP21A-D has made.
 

rau

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Great news! Hoping to get my Shunyata Sigma v2 Clock 75 cables in a few days. Will be interesting to discover how much of a difference these will have on an already great enhancement the OP21A-D has made.

I
Great news! Hoping to get my Shunyata Sigma v2 Clock 75 cables in a few days. Will be interesting to discover how much of a difference these will have on an already great enhancement the OP21A-D has made.
I’m sure it will take it to another level , mine did . Let us know :)
 

justubes

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Aug 10, 2015
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Wondering how much improvement moving to the v2 clock cable from v1.

Looks to be an additional CMR module.

The new Alpha clock v2 looks to be possibly near or equal to the old Sigma clock cable.

Not much information.

Anyone knows more?
 

crion

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Oct 29, 2014
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My guesstimate is that alpha clock v2 (silver, 1 cmode) surpasses sigma clock v1. I've ordered an alpha clock v2 to my placeholder 4G clock for now.

Q: Can you get a squarewave output from any of Cybershaft clocks?
 
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SCAudiophile

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My guesstimate is that alpha clock v2 (silver, 1 cmode) surpasses sigma clock v1. I've ordered an alpha clock v2 to my placeholder 4G clock for now.

Q: Can you get a squarewave output from any of Cybershaft clocks?

I am not sure; please check the specs on their website,.....or write to cybershaft777@yahoo.co.jp.
 

SCAudiophile

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My guesstimate is that alpha clock v2 (silver, 1 cmode) surpasses sigma clock v1. I've ordered an alpha clock v2 to my placeholder 4G clock for now.

Q: Can you get a squarewave output from any of Cybershaft clocks?

That's the way it seems to be with the Alpha NR V2 power cord (have 2); it surpassed Sigma NR V1 easily
and substantially. The Sigma NR V2 pc is even better than that by a wide margin (see posts from me and others
elsewhere on our testing/listening).

I am hoping that is the way with the XLR, AES and Clock cables,....I am looking forward to V2s sometime soon
after the factory catches up with earlier orders from those of you that pulled the trigger sooner than I did!
 

stevebythebay

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Oct 21, 2012
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I
I’m sure it will take it to another level , mine did . Let us know :)
Would love to report on how they are faring in my system.

However, UPS “lost” the shipment. And their customer service people have been less than helpful in finding its whereabouts. After my experience with them, I’d warn others off using them. Sure, 99.99% of the time all is OK. It’s that once in a blue moon that proves disastrous.

So, a replacement order is “in the works“. Hopefully I’ll have the cables on their way by end of month — but this time via FedEx.
 

SCAudiophile

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Best of luck for you getting your replacements ASAP. I'm staring at 2 UPS tracking numbers that are also going through mysterious states and transitions. I don't think UPS could find its ass given a good map as of late. The USPS is not doing much better.
 

SCAudiophile

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There is not. As I understand it, with the exception of one distributor (could be 'dealer', unsure) in one location (Honk Kong I think),
Cybershaft sells 100% direct to ensure that there is no additional markup beyond the modest profit I am told he adds to the raw materials,
build and certification testing costs of each and every OCXO module and finished master clock. For the US in particular (and other countries
where certification is particularly costly and time-consuming, requires 1 or more (Australia requires 3) samples of each module to be certified
to be sent in and effectively sacrificed, the cost of having a formal dealer network drags along topics like UL certification or whatever
local (to a country) certification processes are in play plus the inevitable high distributor/dealer additive markup that plagues this hobby.
Also, and this is opinion based upon my direct experience only, the vast majority of dealers out there don't have the need, the time or the
interest in learning this particular aspect of audio to be able answer detailed questions as they have so much else to focus on. The dealer
margin would then in effect be money added with little return on that part of the investment simply to put a man in the middle. Again, opinion
and offered in such.

In short, from what I understand, Cybershaft, like many specialized and boutique products operate direct, no dealers to keep prices reasonable.

FWIW....
 

rau

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I just picked up a Grandioso C1 preamp and dealer has a G1 Clock , anyone know how it would compare to the OP21A which I have
 
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CKKeung

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Jun 17, 2011
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Pls borrow the G1 from the dealer and you will be the first audiophile to do such a comparison.
:D

I did a similar experiment >5 yrs ago.
Forgot the exact older models but it was the top Esoteric clock then.
Giving an Antelope 10M rubidium clock signal to the Eso clock as 10M reference reaultrd in better sonics than using the Eso Clock alone.
But that was years ago and I guess Esoteric is now using better internal clock modules.

Wait for your report!
 
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SCAudiophile

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