I 2nd the McIntosh preamp/amp combo....you will not be disappointed!
Make sure on the amp you buy though, it needs to be one of the double balanced (MC352 or better) find a used one if you can, (this is an older model that is lower powered 350wx2 MAC dosent make this anymore, too bad because its one of the best sounding amps they ever designed (solid state) the MC402 400wx2 either ). Now Mac is making all high powered 500w 600w + monos very expensive new quad balanced designs. Find a used Tube based pre amp like the C2200 would be a great match. B&W’s are wonderful sounding speakers IF you give them the electronics they deserve.
Matt M Call Mike Sastra @ Audioclassics.com
Make sure on the amp you buy though, it needs to be one of the double balanced (MC352 or better) find a used one if you can, (this is an older model that is lower powered 350wx2 MAC dosent make this anymore, too bad because its one of the best sounding amps they ever designed (solid state) the MC402 400wx2 either ). Now Mac is making all high powered 500w 600w + monos very expensive new quad balanced designs. Find a used Tube based pre amp like the C2200 would be a great match. B&W’s are wonderful sounding speakers IF you give them the electronics they deserve.
Matt M Call Mike Sastra @ Audioclassics.com