Disclaimer: I've no connection with the seller
Both MR645A & MR945A....
__________________________________
For Sale:
Description: ALTEC LANSING MR645A constant directivity horns
QTY:
3 - ALTEC LANSING MR645A constant directivity horns.
3 - ALTEC LANSING MR945A constant directivity horns.
Originally installed in a large auditorium (Center Cluster).
They look nearly new, some minor scuffs and dust from storage.

Horn Pattern:
MR645 = 90 X 40 degrees
MR945 = 60 X 40 degrees
Frequency Response: 500 Hz-16 kHz

Construction: Polyester resin and fiberglass with integral die cast zinc throat and dampening panels.

Dimensions: 28 in wide x 32 in high x 32.7 in deep

Net Weight: 26 lb

Shipping weight: 37 lb

Altec Horns