Originally Posted by
walpurgis
I agree. The speakers are quoted as having 89db sensitivity. In theory that would give in the region of 130db at the max specified amp output of 150 watts. Not that I think the speakers would actually manage that. Anyway, 100db loudness is more than enough and that would require a mere 15 watts. Assuming the spec is for each speaker singly, you can bung another 3db on for a pair working.