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Music servers and other computer based digital audio technologies.

Re: Q: USB cables & Galvanic Isolation

I had been using the Opticis with a battery power supply for my PC given that it was 65 feet from the USB Dac.

Today I connected the Opticis to my MacBook Pro with a short Kimber USB cable. I used the Wavelength Crimson DAC.

There is a definite improvement using the Opticis. Without it, I could not get the total power of a big drum on several symphonic recordings. The soundstage increased slightly. A purer midrange and highs resulted with better definition.

The sound of the Crimson is amazing, but I could not understand why it would not deliver the power at the bottom octave. Insert the Opticis, and I'm home again.

Steve


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