Recent content by stir fry

Is there much of an appreciable difference between 30 and 32hz? The first box posted is built to OE specs and tuned at JL's recommended 30hz. It's $40 cheaper and would arrive by friday, whereas the second one is tuned to 32hz, and is quoted as saying there's a two week lead time to be built. Is...

Thanks. What's your opinion on adding an inline subsonic filter to these boxes?

Looking to get a little more from my sub than my current sealed box is providing. My amp does not have a subsonic filter. Amp and sub are both rated for 500w rms. JL recommends 1.75 cf @ 30hz. I'm in a large sedan, so even though I'm chasing lows, I'd still like a decent amount of volume inside...