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Headfonia.com has just published it’s review of the Portaphile 627.

I contacted Mike of Headfonia.com a few months back to see if he’d be interested in reviewing the 627.  He immediately told me that he was well aware of the Portaphile amplifiers but had never had a chance to audition one.   I went over the design features of the amp and his first comment was, […]

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