Mike Portnoy concluded:
"...AudioValve Solaris is an all-in-one vacuum tube amplifier that provides an amazing three-dimensional soundstage and an impressive treble presentation. With its unique main board and the output power, it is able to drive HD800s, HD800, and HE1000 flawlessly. When it comes to its etiquette, the Solaris is not an affordable audio gear. In terms of the sound quality, some other headphone amps can be considered as options for 4.700 Euro, but considering its connection richness and the overall sound quality combination, the Solaris would have an acceptable and favorable price..."
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