I know from speaking with Alan Yun that he is adamant about using copper wire on his speakers.
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If you are going used, you should easily be able to score a pair of PS Audio XStream Reference Bi-wires. 8' pairs typically show up for $300-500/pair. This is a cable that was purpose-built to be bi-wire. The bass run uses huge solid core copper conductors in a few different gauges; the treble run uses smaller gauges of silver-plated solid core copper. The very low impedance of such a huge speaker cable (about 2 lbs. per foot) should serve your low-powered amp--and especially a tube amp's higher output impedance--well.
If the set you score is fully intact, it will include interchangeable screw-on spades and bananas. I don't know what kind of speaker terminals your amp has, so maybe the bananas would be better. One caution: These are huge and heavy speaker cables, so you may need to get two or more C-clamps to anchor the cables to the amp shelf so the weight of the cable doesn't snap off the bananas or drag your amp or speaker off its shelf or stand. I use a C-clamp to ensure that mine doesn't pull the center channel speaker off its shelf above the TV.
Still, electrically and sonically speaking, for fullness, weight, speed, and transparency, these are a good candidate. They were originally $1500 cables and look, feel, and sound like it.
Tvad, you made a good point, I have talked to Alan myself, maybe its time to talk to him again.
Audioquest is one I have never looked at, I will also check them out.
Yes Harmonic Technology. AZ, I get myself confused when I read about the Satori / Hollogram.
There is a Audio Show this weekend in Detroit Mi. I will be there and check out what there is. And what is being used.
BTW, after speaking with Alan, I purchased some of his Silverline Audio
Conductor speaker cables. I thought they were very good, until I tried some
Gregg Straley Reality Cables (that cost a fourth of the Silverline Audio cables).
The Reality cables were superior to my ears. It wasn't even a close contest. I sold
the Silverline cables and lost more in the sale than the Reality Cables cost to
What do you want them to do? What do you need? Cables other then the cables used inside the speakers will change what the designer had intended or wants them to sound like. So to your ears what don't you like about the cables you are using? Here is my 2 cents. If you want to get more speed and detail quality silver cables Wireworld Silver Eclipse biwire UHF used for years in their reference system and I enjoyed them for some time. Bass is good with a quality silver but if you need more foundation more bass and detail a mix of silver and copper. If you need more bass period, copper Cardas great for foundation building bass. If you are looking to open things up extend your sound stage Nordost opens and layers things well but I can tell you the highs will come out at you with the Blue Heavens and Red Dawns told the higher up the line you go the sound remains open and the highs don't come out at you so much. On and on each has it's plus and minuses and could act differently in different systems. It is said they are like tone controls I would say yes and no some tend to open or close the music and layers in or out also. If you find your ideal cable let us know.