Top Audio Video 2010
As handsome as ever, the new-look version of Unison Researchs single-ended class-A S6 integrated amp ($4995) is less swoopy and more techie, the semi-matte-black upper section contrasting nicely with the orange woodwork. The tube array includes three EL34s and an ECC82/12AU7 per channel, for an output of around 35Wpc. The unit accepts five line-level sources.
More stealthy-looking than the S6, Unison Researchs single-ended class-A S9 integrated ($11,900) offers similar power and one less line input, but it uses two SV572-10 and two ECC82/12AU7 tubes per channel.
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