User reviews of our new Fet Valve 600R & 400R amplifiers

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Mike in NC

Re: User reviews of our new Fet Valve 600R & 400R amplifiers
« Reply #160 on: 19 Jul 2017, 07:45 pm »
Yesterday, a friend came to listen who's a professional mastering engineer. His unforced comment about the sound: "I'm jealous."

Photo of the system with AVA Fet Valve 400R and Janszen Valentinas: