Wayne Parham Messages: 18755 Registered: January 2001
Illuminati (33rd Degree)
The Altec 416 has very high Vas and so needs a very large box, between 6 and 18 cubic feet tuned to 30Hz. PiAlign suggests 8.5ft3 for the 416. The Altec 414 should be used in much smaller boxes, like 0.5ft3 to 2.0ft3 tuned to 60Hz. PiAlign suggests 1.5ft3 for the Altec 414.