I have an ARC REF6 (stock tubes) which replaced a VAC Renaissance Mk V. I know that is much farther down the totem pole than the Master, but to me, and for what it's worth, the REF6 was definitely better sounding to me than the VAC at that level.
Steve Williams Site Founder | Site Owner | Administrator | Ron Resnick Site Co-Owner | Administrator | Julian (The Fixer) Website Build | Marketing Managersing |