All Eminence horns are constructed of a high-density, heavy-duty, injection molded ABS.

Horn type: Constant Directivity.
Minimum frequency: 1 kHz.
Nominal dispersion: 60° H x 40° V.
Throat diameter: 1" .
Mounting type: 2-bolt/ 3-bolt.
Dimensions: 6.7" W x 6.4" H x 3.8" D.
Mounting type notes: 2-bolt: For 2 x 1/ 4" -20, 3" o.c. mount drivers; 3-bolt: For 3 x M6, 2.25" o.c. mount drivers.
Eminence model LT250.