This horn is designed for 2" format compression drivers and can also be used with 1" compression drivers
The throat adaptor with a 4 hole, 4" bolt circle
Optionally This horn is available with a throat for a 1" or 1.4" compression driver.
Back and bottom view. Shown in Tiger Maple
The dimensions for this horn are 21" wide, 10" tall, and 9.5" deep
The horns are complete with throat flanges for 2" format and also include adaptors for 1.4" and 1" compression drivers.
Typical in room response with a K-55-V
Showing horn loading with this compression driver to 325hz lower cutoff frequency