Wayne Parham Messages: 18791 Registered: January 2001
Illuminati (33rd Degree)
The JBL M151-8 is best used in cabinets from 1.0ft3 to 3.0ft3 tuned to 70Hz. PiAlign recommends 1.75ft3 tuned to 70Hz with a rectangular port 4 7/16" x 7 7/8" and 6" long.