This classic tweeter is has 1" silk dome
The driver measures 7.2R and 460uH or an 8 ohm rating

Flange XY dimensions are 3-1/8 x 2-5/8" or 90 x 69mm
Bolt holes are at 2-1/16 x 3.0" or 52 x 75mm

Quite good range looks like a 30W rating on the SM-200
The application has a 3.0uF Capacitor and 8-Ohm rating

Thank You for Looking - Notice Shipping is a better price now...?

Basement clear-out - many Audio items and Loud Speakers.   Selling my collection on Downsize.

There are other audio and speakers at solar_home eBay pages.