I have a 1510HE cab (15", 10" and tweeter 175W at8ohm cab) and was running a new SWR 350x head into it. I blew the 10" speaker on it and now I need it replaced. What is the rating of the 10" speaker itself? It is 16ohm, correct? If I were to purchase a 10" 250W 16ohm replacement, with this adversely affect the sound of the 15"? What would a replacement from Ampeg cost, what would it be rated?