Bombaywalla has mentioned Class D. Rogue Audio now has tube/Class D integrated and power amps that would have no trouble pushing the B&Ws.
Pharaoh Integrated... 185 WPC/8 ohms, 350WPC/4 ohms
Medusa Amp ... 200/400, WPC 8/4 Ohms
Hydra Amp ... 100/200, WPC 8/4 Ohms
A different way to go.
Pharaoh Integrated... 185 WPC/8 ohms, 350WPC/4 ohms
Medusa Amp ... 200/400, WPC 8/4 Ohms
Hydra Amp ... 100/200, WPC 8/4 Ohms
A different way to go.