What is the single most influential cable for sound quality in an audio system?

Analog:

MC amplification from 0.2 mV to line level - 80 dB, about 10,000 times:

1. cord from cardridge to pre amp
2. cord from phono stage to line amp

every electron (whatever that might be) counts.

my 50 ct.
 
If I may venture a guess, a dedicated (20A) line might lessen the weight/importance of individual power cords to audio components, thus allowing for greater discernible differences heard with varying speaker (and interconnect) cables, comparatively. Again, just thinking-aloud thoughts, nothing more.


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What about Miguels grounding system , these are cables too ..?

You are correct! The Emperor MKii ground cable Miguel is shipping tomorrow will take the cake. His products get me closer to the sound I'm chasing. I guess I was thinking in terms of cable necessity. Obviously you can get sound without grounding cables but after you hear them, would you want it without?

Dave
 
Cable from circuit box to the listening room:

Audience Introduces Its Hidden Treasure
High-Performance In-Wall AC Power Cable

San Marcos, CA, June 26, 2018Audience
e01f00a9-444f-4f22-b8e5-d3bd5bc29c05.jpg
today announced the introduction of its Hidden Treasure in-wall power cable, designed to provide the highest level of AC power delivery in custom-installation audio, home theater, multiroom, architectural and other in-wall applications.

Audience’s Hidden Treasure connects from a home’s circuit breaker box to the user’s audio or home theater system. It is UL CL2-approved for use in 120-volt and 220-volt AC in-wall applications. Hidden Treasure is engineered for maximum signal conductivity, durability and shielding from electrical interference.

“Our new Hidden Treasure power cable is an all-out effort to provide a truly high-performance AC power wire for in-wall systems,” said John McDonald, president of Audience. “It’s the result of extensive testing and evaluation and what we’ve learned from our team’s more than 20 years of combined experience in designing our world-renowned AC powerChords.”

Hidden Treasure features three 10 AWG stranded 99.9999 percent pure oxygen-free copper (OFC) conductors. The wire is cryogenically treated to relieve stresses that can be imparted to the wire during manufacturing and to re-align the microstructure in the copper for improved conductivity. The conductors are foil-shielded to provide rejection from external electrical noise. The dielectric (insulation) is made from XLPE cross-linked polyethylene insulation with a PVC sleeve for unmatched durability.

Hidden Treasure is flexible and easy to install and has a diameter of approximately 0.75 inches (18 mm).

McDonald concluded, “We are extremely happy with what we’ve achieved and with the benefits that Hidden Treasure can provide to an in-wall audio or A/V system.”

Audience Hidden Treasure AC power cable is currently available at a suggested retail price of $22 per foot.

Click here for high-resolution image of Audience Hidden Treasure power cable.
 
If I may venture a guess, a dedicated (20A) line might lessen the weight/importance of individual power cords to audio components, thus allowing for greater discernible differences heard with varying speaker (and interconnect) cables, comparatively. Again, just thinking-aloud thoughts, nothing more.


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Regardless and what you say is important, PC will still make a difference , as do star grounding...



Regards
 
Agreed. Please note I didn’t say power cords wouldn’t yield a change on top of a dedicated line, but that it could potentially be a smaller difference. And I would expand by stating the obvious, all of this is likely system dependent.

Regardless and what you say is important, PC will still make a difference , as do star grounding...



Regards




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My experience is that the effect cables have on the end product is cumulative. Reduction in the quality of any one cable will result in a loss of sound quality.
 
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