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Original Message
RE: Altec 15 inch 3154, or 416 in open baffle
Posted by GM on June 21, 2012 at 08:45:47:
Drivers want to 'feel' a matching radiation impedance on both sides of its diaphragm, making OB and reactance annulled compression band-pass the theoretically ideal 'cab' alignments, but with limited Xmax, the 416 will go nonlinear [increasing distortion] at a lower power than the 3154.
After these, aperiodic is considered the best overall compromise, then sealed, though critically damped vented can perform close enough to sealed except with a bit of extra LF gain BW at the expense of a slightly faster roll off below Fb.
GM