Amps control the speaker movement in and out. When an amp clips its because it throws the driver out and doesnt have the power to pull it back in so it looses control of the driver.
The ca 300 is an excellent amp and I would be catious of selling it and getting two ca 150's. In my opinion I beleive quality is the more important then power and the ca 300 has much better parts then the ca 150. I considered 2 ca 200's but ended up with a ca 400 which sounded much better. There is always the option of adding another ca 300 and biamping but if you like the sound and the speakers arent clipping I would think that you would be fine.
You can have too much power but only if you put a huge amp on a cheap speaker. A lot of power could cause excessive travel for the driver and if it had paper cones or cheaper foam it could tear. You have excellent speakers so that is not a concearn.
The ca 300 is an excellent amp and I would be catious of selling it and getting two ca 150's. In my opinion I beleive quality is the more important then power and the ca 300 has much better parts then the ca 150. I considered 2 ca 200's but ended up with a ca 400 which sounded much better. There is always the option of adding another ca 300 and biamping but if you like the sound and the speakers arent clipping I would think that you would be fine.
You can have too much power but only if you put a huge amp on a cheap speaker. A lot of power could cause excessive travel for the driver and if it had paper cones or cheaper foam it could tear. You have excellent speakers so that is not a concearn.