Cavo USB ad altissime prestazione con doppio conduttore che trasmette separatamente il segnale audio da quello d'alimentazione.
Connettore placcato in oro, conduttori in alluminio e doppia schermatura per riduzione RF.
Disponibile nelle misure (0,7m e 1,5m).
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The iFi Gemini Dual-Headed USB cable will rule them all. Audio and power cables are not laid side by side yet in the USB configuration because of its origins, transmits this way. The iFi Gemini carries Audio + Power in two separate cables. Critically, the special geometry adheres to the 90 ohm impedance specification better than even the USB 2.0 standard. Resistance is 4x lower than textbook. The FINAL USB machined connectors provide impeccable shielding from end-to-end. The atypicalsilencer design spans the whole of the frequency range to totally banish all noise.
With this unorthodox array of features, the Gemini Dual-Headed USB cable sonically, eclipses them all.
A simple, yet effective illustration is the graph below. The Gemini cable adheres to the 90ohm specification of the USB transmission protocol exhibiting just a 1% deviation from the 90ohm impedance end-to-end (ie. connector + cable together).
Other expensive audiophile cables by comparison, vary as much as 15% (or 78ohm-103ohm!) This one key parameter is often overlooked yet is essential to maximise the quality of the signal transfer.
The Gemini D-H USB cable. This Twin is not identical.
There are dual-headed designs and there is the Gemini Dual-Headed design. The following picture clearly illustrates audio and power in two separate cables. Upon closer examination, power is heavier gauge and audio has more cores. Further, signal and ground have their own respective geometry to conduct optimally. This is the Gemini difference.
The signal runs through the cable and connector. Therefore, the connector must be as exceptional as the cable. Most USB Cables use moulded plastic covered connections. Plastic cannot shield the high frequencies present in the USB Data link, so noise will radiate out. Durability is also compromised. The FINAL USB connectors provides impeccable end-to-end RF shielding, being machined entirely from solid aluminium. Gold-plated connections make for years of steadfast service.
iFi’s proprietary machine connector looks and feels like it was hewn from a solid block of aluminium. This is not far from the truth. This is the iFi standard.
Addressing RF issues is usually non-existent in USB cables. Even those with filters fitted, they are off the shelf and as such, work only over too narrow a range. Also, too few are fitted and common RFI filtering is placed at the ends of the cables, leaving the whole length of the cable to act as effective antennae.
The Gemini cable is fitted with three custom-made metal oxide ceramic RF noise silencers. Each with different effective ranges; thus they greatly broaden the range over which RF noise is silenced. Further the middle silencer is design to be adjustable (moved along the whole length), to “detune” the antennae formed by the cable, depending on the conditions and requirements in the system. The other 2 silencers which are not affixed, should be kept as close to each respective end as possible.
To reach the absolute zenith in USB audio quality, we recommend the Gemini cable (for separate audio and power transmission) AND the iUSB Power (to supply pure, clean power). This combination is unique to iFi because no one drills down to the fundamentals like we do. The use of the Gemini cable + iUSB Power is simply unparalleled when it comes to attaining the quietest and smoothest music playback from computer audio. There is just no competition, period.
For further reading on the Gemini Dual-Headed cable’s technical aspects:
|Compatible with High-Speed USB 2.0 (24Bit/192kHz and higher supported)|
|Conductor||Heavy OHFC continuous cast copper|
|Connectors||iFi ‘FINAL’ USB connectors|
|Lengths/Weights:||0.7m/330g (0.727 lbs)|
1.5m/400g (0.882 lbs)
|Warranty period:||12 months|
Thanks Doctorhead.ru and Qvinta audio (iFi:Russia)
Translated with Google
Bravo iFi! Petr of Svetaudia reviews the iDSD Micro, Gemini, iPurifier and iUSBPower!
“IFI iDSD Micro is one of the best equipped D / A converters, as regards support audio formats. Add to that the battery power, headphone amplifier, and suddenly we have a very interesting product for those seeking excellent cost to performance….Price performance ratio is excellent and IFI Micro iDSD becomes my references in the price range to 15,000…All three products from the portfolio of IFI deserve in their categories utmost attention. When you combine all three products together, to 25 000 CZK get enough quality reproductive system to play music on your PC or Mac that to subdue you have to dig into your pocket probably much deeper….IFI Bravo!”
Thanks Petr Štefek of svetaudia.cz and Exaudio.cz!
As Dung of PCWorldVN reviews iFi!
“Now, people can listen to the sound of his “circle from the heart”, pure from the input device to device and wire FIs iUSB Power Gemini FIs with an investment budget is not too high…when adding the first move i-purifier, music became smoother. When using additional wireless USB Cable Gemini, more music more smooth, round berry guitar sound better…And finally configured with transit from your computer to the amplifier includes a USB cable, electromagnetic interference filters i-purifier, and wireless devices iUSB Gemini Power USB Cable, heard the sound becomes completely natural, scrumptious.
Thank you As Dung!
The iFi Audio Gemini USB Cable – One Cable to Rule Them All?
13 March 2014, “When you do open the box you will find a beautifully packed cable, nestled within a black velvet bag and the connector ends protected with both end caps and the metal parts wrapped in bubble wrap. This was certainly a good start and hopefully augured a good sonic experience with the cable….Doing the comparison again with the Wireworld Starlight the Gemini was now in every aspect the superior conduit for all the music I listened to. The iFi cable was more open, more detailed in all areas with a wider deeper soundstage and better bass extension, nuance and phrasing, and all of this achieved without any spotlighting.”
Thank you Neil K, editor of Adventures in HiFi Audio!
Grazie for Great Gemini review in Italia!
24 February 2014, “The construction of the Gemini is really spectacular especially as regards the connectors.” And “The IFI Gemini proved to be a great usb cable. With this you can easily provide power supply usb dac better than the PC by simply using a wall power adapter or an external battery usb. Good result with usb dac fitted with receivers that benefit the absence of the power passing through the cable. Really excellent construction, both for the beautiful connectors for the cable sheath.”
We would like to thank Matteo Turotti of Stereo-Head (Italy) for a really thorough study and sonic review of the Gemini cable!
Ancora nessuna recensione da parte degli utenti.