Reviews2026-02-16T15:34:29+00:00

Tellurium Q® Reviews

Looking for something specific? Type a cable name like Silver Diamond, a cable type such as an RCA cable, or combine them — Silver Diamond RCA Cable. You can even search by reviewer, e.g. Tone Audio.

“Speaker cable S.D [Silver Diamond] is great, one of the best speaker cable I’ve heard in my life, well done, sound is different now from 50-100 hours of burn, sound is great”

– Razvan Stanciulescu, AV Sound Romania

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“This cable is fabulous.

The first thing that struck me was the extension and amount of the low frequencies. This draws a more complete and consistent stage. There is a tremendous amount of different shades together with an excellent precision of all bass sounds.

One can discover many more details throughout the whole stage. This stage is wider and especially much more deep. All this gives an excellent separation and placement of instruments. Voices now come from 3 dimensional faces.

Tones struck by instruments decay in the room until the very last end I definitely need such a cable.”

– Roland Dumont, Luxemburg

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“I put the Tellurium Q Silver [range] power cables in my system and haven’t wanted to take them out… they all justify their price points and will improve the sound quality of whatever you plug them into.”

“The Silver Diamond is the sweet spot of the range and gives you the biggest bang for the buck. It gets you closest to what the Statement power cable will give you. Improved clarity, bass, presence and control.”

– Terry Ellis, Pursuit Perfect System

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“I wanted to check if it’s possible to change the name of “Ultra Black” cables to “Ultra Awesome” please I couldn’t resist passing on my heartfelt appreciation to you and your team I have never listened to Leonard Cohen and Floyd this much before !”

– Nitin Chanduka, Singapore

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“If you compare it to other cables, even my previous ones, by a well-known American company, you can get the impression that other producers are combining how to stand out from the crowd, and Tellurium combines how to best give music back.”

– Olek Gramophonist, Premium Sound

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“Tellurium Q’s Ultra Silver II cables are more than simply the latest version of what came before. Both the new interconnect and speaker cables deliver more detail and clarity, thanks to their impressively translucent sound. This disappearing trick should be the aim of any high-end manufacturer, and TQ has certainly pulled it off here.”

– Jay Garrett, Stereonet

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“What the Ultra Blacks will do for your record collection is to both extract the fine detail from within and reveal its personality. The Ultra Blacks will lay bare your music, getting under the skin of each recording.”

– Paul Rigby, HiFi World 2010

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“There’s no doubt in my mind that, compared with its predecessor, the Black II offers a notable improvement in audio quality with a new level of refinement to the sound. Given that there is no increase in cost, it’s clearly better value for money too.”

– Neville Roberts, HiFi Choice

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“Quite difficult to put your finger on why or what makes it so much better..it just sounds very right..detailed but full sounding with a great sense of excitement to the music..brilliant!”

– Fraser Robertson, UK Distributor, Kog Audio

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“…Tellurium Q Blue II is smooth, clear, soft, detailed, clean, natural, beautiful! I can say that the music is more beautiful than the first version. And it makes me unable to imagine Speaker cable at this price level who else could do it like Tellurium Q Blue II ?”

– Wijit Boonchoo, The Wave Online

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“The sound quality of Tellurium Q Ultra Blue II has stepped up to the next level clearly….. In terms of every detail, sound is natural. Tellurium Q Ultra Blue II provides high-end sound at affordable price.”

– Wijit Boonchoo, The Wave Online

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“It was like when I upgraded my TV from an HD LED set to an Ultra High Definition 4K set. The differences were stunning…..What I can state is that the Ultra Black 11 cables are currently the best I have heard in my system

The Ultra Black II’s allow our ears and brain to work as they would in a live environment picking out every nuance and sound cues to create that actual experience, not a close approximation. Let’s just say I was hearing so much more into the performance. I genuinely was hearing microscopic details I just didn’t know we there before”

– Ian Ringstead, Hifipig.com

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“…and to celebrate this special anniversary by awarding special jubilee awards to the special devices that made the most impression on us.”

– Stereolife 10 year anniversary

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“Recommended” award for the price / performance ratio. It just works right and it doesn´t feel bad even with 20 000 GBP setup. The overall transparency, relaxed sound and naturalness are awesome for this category.”

– Daniel Březina, hifi-voice.com

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“Having inaugurated an awards season for 2022, it seemed appropriate to acknowledge some key pieces of HiFi equipment that have passed through HF&MS over the preceding nine years. There have been just three ‘Night and Day’ moments over this period. These experiences are usually unexpected and simply tangible, where you just think; ‘blimey, this is really really good!

I was one of those who appreciated cables were important but I had no idea how profound the introduction of a medium to high-end cable could be and the Ultra Black II is by no means Tellurium Q’s best cable.”

– Simon Wilce, HiFi & Music Source

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“…and to celebrate this special anniversary by awarding special jubilee awards to the special devices that made the most impression on us.”

– Stereolife 10 year anniversary

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“Black Diamond no colors all or trying to buy our own vision of the perfect tonal balance. At first, [the] tone seems a little too normal, but it is difficult to not appreciate its transparency and versatility. ….. certainly sets a high level in terms of resolution. With all its linear nature, really microscopic detail. The sound system as a whole has become more predictable and enjoyable in its own way.”

– Stereo Life, 2014 (Google Translation)

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“The whole mid/high frequency spectrum unfolds in way that makes you stop and think: what`s going on here? Suddenly there appears to be a huge additional amount of information that was previously hidden somewhere – somehow?!The real icing on the cake is that all this additional musical information comes served, not in a dry, technical manner but in a highly musical form and this makes the whole thing immensely gratifying.The recovered details strongly enhance the sonic realism and instruments and voices sound even more natural and believable than one ever thought would be possible. The Tellurium Q Silver Diamond interconnects achieve all this without becoming bright, harsh or annoying in any conceivable way, no, they just sound incredibly natural and relaxed. A big trick in my book!

If you think you know all your recordings pretty well…I dare you to try the Silver Diamonds; you will be absolutely shocked upon discovering what else is hidden in your precious music collections.”

– Matej Isak, Mono and Stereo

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