I would guess that the internal parts of this unit are ‘military’ standard quality and assembly, built to do the job correctly, reliably, and even indefinitely. This is no esoteric artistic expression - there are no pretensions of a beautiful case concealing cheap and simple circuitry. It’s appearance is a quaint-Iooking anachronistic throwback to diy/technician projects. I received the Industrial version, and industrial it looks - a scientific instrument ready for the lab or workshop. The Intona USB Hi-Speed Isolator is the antithesis of glitzy packaging. The two most common reasons for creating isolation are safety from fault conditions in industrial grade products and where wired communication between devices is needed but each device regulates its own power. Generally referred to as “isolation”, galvanic isolation is the convention used whereby individual parts of the electrical system may possess different ground potentials. Energy or information can still be exchanged between the sections by other means, such as capacitance, induction or electromagnetic waves, or by optical, acoustic, or mechanical means. Galvanic isolation is a principle of isolating functional sections of electrical systems to prevent current flow, so that there are no direct conduction paths. Signals can pass between galvanically isolated circuits, but stray currents, such as differences in ground potential or currents induced by AC power, are blocked. Galvanic isolation is a design technique that separates electrical circuits to eliminate stray currents. Its insertion in a data line will break ground loops, avoid noise coupling, and protect ports from power surges and voltage spikes, in applications which require high speed USB signal transfers. Their new product - claimed to be a world first - is designed to galvanically isolate the USB 2.0 Hi-Speed bus. Intona Technology is a German team specialising in signal processing devices for professional applications. Reviewer: Richard Varey - TNT New Zealand Price: Standard US$ 229 plus shipping Industrial US$ 319 plus shipping Manufacturer: Intona Technology - Senden, Germany Connectors: USB3.Intona USB isolator World first.USB: Super-Speed USB3.0 (and USB2.0 backwards compatible).USB 3.0 Superspeed Transmission (5.0 Gbps).The online order is available for the USB-A to A, but also available as: If an external power supply is plugged into the USB-C socket on its side, it blocks power from the computer and instead feeds the DAC with ‘clean’ power from the external supply.If a high-quality, low-noise power adapter such as iFi’s iPower X is used, the performance of the USB DAC will be significantly improved. The iDefender+offers an additional benefit. Using a USB DAC?Īre you using theiDefender+with a DACthat relies on USB power from a computer rather than power from the mains or a built-in battery?Good news. When plugged into the source device’s USB socket, theiDefender+detects whether there is a ground loop problem.It breaks the ground loopby ‘intelligently’ disconnecting the computer’s earth and, as well as eradicating audible ground-loop hum, it lowers the system noise floor, improving resolution and dynamic contrast. iFi’siDefender+provides the simple, effective solution you need. This creates an unwanted chain of noise, buzz and distortion. These multiple earth or ground points cause a ground loopproblem. Using multiple plugs within your audio chain means separate earth/ground points. Is your audio still plagued by hum and buzz? IFi’siDefender+is for those battling with noisy audio due to unwanted ground loops in their audio chain.
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