Hi,
Ahh, you did not mention that driver belonged into a Horn cabinet, nor what sound you wanted....
Things become clearer now.
In your case you want a really seriously strong driver, especially if you expect a to drive the Driver with a few 100 Watt of clipped signal. Look at P-Audio's range of Drivers, among others they have excellent copies of JBL, very affordable and not much worse than the originals.
P.Audio P150-2226 JBL Copy
They also have their own "heavy duty" stuff (I'm having an eye on their 21" for my "modest proposal" speaker), it's worth to browse around a little.
Ciao T