Adire parthenon ?

Mike5211 Silver Member Username: Araknid BOCA , FL U.S. Post Number: 320 Registered: Nov-04	Posted on Thursday, March 10, 2005 - 16:13 GMT wth is that thing a motor that moves a piece of wood back and forth like a speaker cone?
Joe Smoe Gold Member Username: Invain Michigan United States Post Number: 1611 Registered: Aug-04	Posted on Thursday, March 10, 2005 - 17:25 GMT It's just a motor. They put a 24" square baffel on it and it was capable of making 121 dB SPL at 20 Hz just sitting in a room.