Trying to timeline speaker ratings for the 810 Enclosure; any corrections appreciated. Data should be available from old catalogs.
- 1969-72: CTS (alnico) 30 WRMS
- 1973-79: Eminence (alnico) 30 WRMS
- 1980-85: Eminence (ceramic) 45 WRMS
- 1986-9?: Eminence (ceramic) 75 WRMS?
- 199?-present: Eminence (ceramic) 100 WRMS