A lot of good advice and logical reasoning above. I use Kef's relatively inefficient LS50s in my desktop and bedroom rigs. The desktop pair is driven by a low powered amp that is more than sufficient due to my proximity.
I'm about 16 feet away from my bedroom LS50s in my usual listening position, and initially drove them with a 50 wpc Marantz receiver. The sound was fine for late night listening but fell apart if I cranked it up. I recently upgraded to a Purfi based amp and the LS50s really came alive.
I'm about 16 feet away from my bedroom LS50s in my usual listening position, and initially drove them with a 50 wpc Marantz receiver. The sound was fine for late night listening but fell apart if I cranked it up. I recently upgraded to a Purfi based amp and the LS50s really came alive.