I was thinking last night why my M80 was called an M80 and not a M85, M33 .... etc. Same goes to the other speakers(M60, M22 ... ). The 80 is not the height (not in centimeters). It is not the extention (they go lower than 80 Hz) .....

Any ideas ?

------ M80, VP150, QS8 Surr, QS8 Back Surr Sunfire Amp -M80, Denon 3805 -all else, SVS 20-39 PC+