This is a review and detailed measurements of the Rogue Audio Sphinx V3 integrated amplifier with tube buffer. It is on kind loan from a member and costs US $1,599.
The front panel of the Sphinx portrays a high-end look with its thick metal:
Alas, that thin metal surrounding it, takes that impression away. I liked the very wide apart inputs and output terminals which "should" bode well for crosstalk measurements:
There is good bit of weight to the unit courtesy of power transformer. I like the inclusion of the balance control. As you see in the first picture, I had to use it to get same gain out of both channels.
Protection circuit was well done with automatic recovery and worked great no matter how hard I pushed it.
Internal amplification is provided by a pair of Hypex UCD 180 OEM class D amplifiers. A buffer state made out of tubes completes the picture.
The amplifier has won many accolades as indicated by...