Ocellia speakers and power


what's the lowest amount of power that will drive the 12 inch PHY driver and what's the highest amount of power one should play them with?
rsf507
25 watts or so is all they are rated for if I recall right. The speaker likes a bit of power so I would put as much as you can on them. We used our S-30 on them to very good effect. Any smaller tube amp should do the job; a lot will depend on your room and your taste in music.
I use an 8 watt SOUGA amp and find it fine, listen in a large room and sometimes at very loud levels.