Furutech Reference III Speaker Cable

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​AN-Ba provides great bass control and weight, and is the perfect choice for those looking for a loudspeaker cable that combines great price with rich, colourful bottom end performance.

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AN-SOGON models are twisted pair, true Litz, high purity Silver designs. All are supplied in single conductor form, so two pieces will be required for each single wired 'speaker, and four would be required for each bi-wired 'speaker.

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AN-SOGON models are twisted quad, true Litz, high purity silver designs. All are supplied in single conductor form, so two pieces will be required for each single wired 'speaker, and four would be required for each bi-wired 'speaker.

Please contact us for pricing information.


AN-SOOTTO LX is a twisted hex, true Litz, high purity silver design. It is supplied in single conductor form, so two pieces will be required for each single wired 'speaker, and four would be required for each bi-wired 'speaker.

Updated Evolution II Audio Cables. Pure Transmission Performance for Value Conscious Audiophiles.

Reference level speaker cable. Also available in a bi-wiring version.

Reference level speaker cable.

Top-of-the-Line Furutech Nanoflux Speaker Cable. Comes with CF-201(R) Spades for the Amplifier and CF-202(R) Bananas. Other Combinations on Request.

Price for 2.5 Meter (other lengths are available on request).

Ultimate flagship speaker cables.

Tellurium Blue is the entry level speaker cable that was designed to be the companion to Tellurium Q Black and has been described by one well known manufacturer of speakers as having “good mid, but softer sounding” than the Tellurium Black. While having great detail and phase control is less revealing of a system than the Black.

HiFi World has described the most noticeable qualities of this cable as being, “a welcome absence of muddle..” and, “a more neutral, focused, precise aura settled on the music. In fact the Blue cables exhibited a tremendous sense of control; something that I’ve never heard from any cable at this price point.”

Tellurium Blue is the entry level speaker cable that was designed to be the companion to Tellurium Q Black and has been described by one well known manufacturer of speakers as having “good mid, but softer sounding” than the Tellurium Black. While having great detail and phase control is less revealing of a system than the Black.

HiFi World has described the most noticeable qualities of this cable as being, “a welcome absence of muddle..” and, “a more neutral, focused, precise aura settled on the music. In fact the Blue cables exhibited a tremendous sense of control; something that I’ve never heard from any cable at this price point.”

Tellurium Q Black was our first cable and we knew we were on to something special when we took the prototypes to various dealers for their comments and input. One in particular would not believe that it could match the somewhat thicker more expensive cable in his demonstration system.

We sat down and listened to some of his familiar music tracks, then we swapped the cable for Tellurium Q Black. He sat forward, looked at us and quite seriously asked what else we had done to his system while we were changing the cables over. It was only when he swapped the cables himself a couple of times he believed the evidence of his ears.

So why Black II? Despite Black winning multiple awards, surprising owners with it’s performance and more people than ever choosing to use it in their systems?

We have been learning and developing, especially in the last few years and have come up with a way to make this little gem even better. The only thing to do was to give it to our customers. Switch Black for Black II and it is completely obvious which is which. Once you hear the difference, it is also completely obvious why we felt compelled to upgrade Black in the way that we have.

We think you will get more from your music and hope that you love Black II as much as we do.

The “Silver” (Silver and Ultra Silver) has been designed for those who love detail. As has already been commented on, with the Ultra silver the top end is extraordinarily detailed without any harshness.

While the “Black range” (Black, Ultra Black and Black Diamond) could be categorised as neutral/ natural the “Silver” would lean more to neutral, detail and extension. The Silver performance sits beyond Black for very good reasons that you will hear.

Tellurium Blue Diamond (formerly known as Green) is the companion cable to Tellurium Ultra Black and is probably more suitable for slightly bright systems as they have a very slight “mellowing” effect. This can be particularly beneficial with class D and T amplifiers.

This cable has been significantly improved from its original well reviewed green jacketed version. The original green jacketed design had a ridiculously long burn in time before it showed its silky best and displayed what it could do. Often its “un burnt in” performance was so far from what the fully burnt in version was capable of that it was like two different cables.

We redesigned the cable to keep its top performance but slash the burn in time and as a consequence its overall performance has improved too.

Ultra Black II

Even taking in account all the awards that the old Ultra Black speaker cable won, this new version gives a whole new level of performance that is obvious from the first second of listening. Greater detail, more clarity, more organic but still sitting very firmly in the Black cable family.

The first few people to have heard the new cable were surprised to say the least.

Old Ultra Black
“Tellurium Q Ultra Black is the cable we wanted to make from day one. We told our UK distributor what to expect as we handed them a prototype that looked more like a fireman’s hose and less like a sonic phenomena. They glanced at the heavy, stiff and it has to be said ugly brown experiment. “Yes, well we will give it a go and take it to a few dealers to see what they think”. Later that day we get a phone call from our disbelieving UK distributors at Kog Audio, “what the hell is in it? We’ve never heard anything like this!”.

They took it on trust that the production version would be incredibly thin and flexible by comparison and look a whole lot better. So Kog Audio put in an advance order that day without needing to see or hear the production model because, in their words, “if it is even quarter as good as the prototype it will blow people away”.

We think that the production version sounds better than the prototype.

At first glance you could be forgiven for thinking that the Blue Diamond and Ultra Black were the same cable with different printing but when you plug the Ultra Black into your system there is absolutely no doubt that the Ultra Black is in a totally different league.”

This cable is distinctive from the Black range by focusing even more on detail. Whereas the Black range has been described as natural/neutral the Ultra Silver is being talked about in terms of the incredible new level of detail people are hearing so neutral/detail would be a good description of their ability.

Many years ago Tellurium Q produced a speaker cable called the Graphite. While sounding incredible in most systems and winning awards, there were a few that reported that they actually sounded “wrong”, a little thick and heavy. This only occurred on very few systems but gave us something new to launch into researching. (We love a challenge because no matter what else we always learn something new).

The Black Diamond speaker cable was born out of this work. The Graphite speaker cable was referred to as “the best speaker cables I’ve ever heard” by one reviewer but even so the Black Diamonds significantly out perform them without any of the apparent drawbacks of the old Graphite as you will see for yourself reading the reviews and hear for yourself when you plug them into your system.

We think that the production version sounds better than the prototype.

At first glance you could be forgiven for thinking that the Blue Diamond and Ultra Black were the same cable with different printing but when you plug the Ultra Black into your system there is absolutely no doubt that the Ultra Black is in a totally different league.”

The Silver Diamond are the cables that we were not sure could be made (although we hoped they would be possible). If you read through the “Our Focus” section on the website, we talk about the fact that any cable from any manufacturer is an electronic filter, whether you want it to be or not – that is just a fact of life. Being a filter, any cable causes relative phase relationship issues for the signal. We have taken our research and development that was outlined in “Our Focus” and just tried to push the concept of a neutral filter as far as we thought it was possible to give you a highly transparent, natural and “real” presentation.

So what’s different? Well, compared to the Black Diamond, which was our award winning multi-product of the year cable, the Silver Diamond has even better bass definition, improved detail and a more extended top end (without any harshness) and something else which people are finding hard to define, simply because they have not heard it before. As one of the first people to hear the cable said, there is a “certain rightness” to the sound and that is because we have got closer to achieving our goal in cable development and have signal transmission than ever before, and you can hear it. Perhaps an analogy would be to talk about the Black Diamond as HD image quality, whereas the Silver Diamond gives you 4K Ultra HD quality with 3D effortlessly thrown in for good measure.

This cable behaves differently to our others, needing a run through of track three from our System disc to properly embed it, before listening on a new system even when it is run in – almost like conditioning the system to make the most of the cable’s abilities. It may sound a bit strange that a system needs to be tuned up or put in tune to get the most from this cable, but the cable is something quite unique as you will hear if you get the chance to listen to a system using it.

We are very proud to have this cable finally crowning our ranges.

Please contact us for pricing information.


As with all our cable series developments, the speaker cable is the cable we develop first. The Silver Diamond cables were something of a surprise to those that heard them and we were even surprised at exactly what they could do. So deciding to try to better them was no small undertaking. While reviewers were incredibly impressed with the Silver Diamonds we wondered if there was anything else we could bring to the performance to improve on them. What we ended up doing is starting from the ground up again, looking at each step in more minute detail and tweaking each and every iteration to optimise performance and optimise we did.

The Statement speaker cable not only surpassed the Silver Diamond but did so spectacularly, once again blowing our expectations clean out of the water. As you can clearly see from the reviews below where reviewers had previously experienced the Silver Diamonds then came face to face with the Statements.

What you have with the new Statements is a reviewer’s nightmare, how to describe them without repeating words that will be mistaken for something that you may have heard before.