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Shunyata Sigma Analog vs Alpha Analog - Need advice!!

I have a chance to buy these PC for my ARC Ref 6 now:

Shunyata Sigma Analog 20A (100% brand new) = USD 1800

Shunyata Alpha Analog 20A (2nd hand) = USD 645

I have never compare these cables side by side or listen to it before, but I heard about many good things about Shunyata , especially how good it is to work with ARC amp. Since Sigma Analog are much more expensive than Alpha Analog, does anybody has experience to compare with them?  Does  Sigma Analog much better than  Alpha Analog and worth to take it at $1800 ? This amount is expensive  for me, I need to make my decision very careful.                                         

PS:  I'm using a Furutech DPS-4 PC for my Ref 6 now (with Shunyata 15A to 20A IEC converter) , I'm afraid if I choose  Alpha Analog but the sound quality is much different with my  Furutech then I will be regret why not to take Sigma  Analog....Anybody can give me some advice or suggest? THX


mm622
mikey8811
259 posts
 
I have found the Furutech sound to be extremely "clean," to the point of "antiseptic." That may not be the case with all their products. I lived with the GTX-D gold and then the  GTX-D Rhodium. The Rhodium was a bit "bleached out." I should have heard that with the gold

@gbmcleod  i am currently using the GTX-D Gold. I find it drier than say the Maestro outlet I am also using which sounds wetter but I wouldn't say it was bleached out.

What outlets have you switched to?

mm622 OP
29 posts
 
Hi Gbmcleod

Thanks for information and advice.  I just bought a brand new Sigma Analog PC, and I will test it tomorrow.  BTW, I'm using these equipments:

Esoteric K-03X CD & SACD Player
Lumin S-1 Network player with DAC
Audio Research Ref 6 pre-amp
Electrocompaniet AW-180 Mono-Block amp
Wilson Audio Sophia 3 speaker
Audience aR6-TSS Power Conditioner
Furutech GTX-D (R) Receptacles
lak's avatar
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lak
4,640 posts
 
@mm622 looks like a very nice system you posted above :-)
Please let us know how the Sigma Analog PC works with your Ref 6.
I'd also like to know how it compares to your Furutech DPS-4.
What is it that you didn't care for about the DPS-4, or were you questioning the use of the 14 to 20 amp IEC converter?
david_ten
5,480 posts
 
@gbmcleod   Great points in your post! Thanks.
mmbl622
58 posts
 
I've compared these 3 x PC yesterday: 

Shunyata Sigma Analog
Furutech DPS-4 (with a Shunyata 15A to 20A IEC converter)
Ref 6 original PC

For sure, Sigma Analog sound best among these three cables, it produce more bass, the bass is more solid and tight.  The sound is more transparency, more details, better analytical and more thicker sound than other two cables. Also it has better textile and 3 D sound stage.

The Furutech DPS-4 is not bad, if I give Sigma a full score of 10, then I will give DPS-4 8.5. But remember the cost of this cable is about USD 465 only, it really worth for money to try.

I really surprise the performance of Re 6 PC, which is come with the per-amp, but sound nice.  Maybe I will give it a score of 7 .5 to 8.

Since the Sigma Analog is completely new, I think the sound should be better after running 200 hours.  In general, I'm happy with the result.
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