The most obvious choice is Audio Research, it has historically been Richard Vandersteen's brand of choice.
My brother has the 3A Sigs and uses an AR 100.2/LS16 preamp and loves it. Perhaps a little more power reserve like the 150.2 or 300.2 might be better.
My brother has the 3A Sigs and uses an AR 100.2/LS16 preamp and loves it. Perhaps a little more power reserve like the 150.2 or 300.2 might be better.