they are terrible speakers to drive - the wild impedance swings is really a hard test for amps.
The best reasonably priced amp I have come across that will drive them with ease is the Arion S-250:
http://www.audioasylumtrader.com/ca/listing/Amplifier-SS/Arion-Audio/S-250/250-watts-per-channel-stereo-amplifier/70729
Make sure you listen to the speakers though - B&W is not everyone's cup of tea.
Thanks
Bill
The best reasonably priced amp I have come across that will drive them with ease is the Arion S-250:
http://www.audioasylumtrader.com/ca/listing/Amplifier-SS/Arion-Audio/S-250/250-watts-per-channel-stereo-amplifier/70729
Make sure you listen to the speakers though - B&W is not everyone's cup of tea.
Thanks
Bill