Quote:
Originally Posted by Electrodynamic
For subwoofer applications there have been reports of minor smoothing of the response curve, but I have never heard an audible difference.
If you stuff the enclosure with fiberglass (not just lining the walls) it can have an effect similar to polyfill. But polyfill doesn't itch, it stays in one place without glue, and it has less tendency to get inside the motor, and it does a better job at fooling the woofer into thinking it's in a bigger enclosure.
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yes, honestly I can tell the dif with stuffing, and I like it! It feels & sounds warmer IMO. The response curve is smoothed out a ton. and when you look at the sub playing it looks like its playing natural and is not fighting back and being confused(more or less cause of standing waves).
Its all thermodynamics. Whether you use polyfil or glass it will change density of the air in the enclosure when the sub is playing. What happens is when the sub is playing instead just pushing air back and forth, its now doing it but now the stuffing is vibrating inside which is causing some friction and generates Heat, when heat is generated the density changes in the air. Therefore gives the driver the illusion that its in a bigger box. Its also the reason why a speaker plays differently during the day than the night, or during the winter than the summer...no filling either!.