djk,
You're right it's a 288K 8 ohm driver. I was still half asleep when I submitted that post. Anyway it is not my driver, just my horn. I plan on using the B & C speakers model DE-75P 2" driver on a 300Hz round tractrix horn with the La Scala bass horn. Should make for a killer 2-way system crossed at 500Hz. Yeah, I know the stock La Scala will only go up to 400Hz, but mine will have corner reflectors at the last bend to help out the high end. Do a search for "corner reflector" there is a thread that Tony Reed started that explains this mod. Details forth coming.