Just a thought I had the other day. I know in home audio when you put your speakers on spikes it "tightens" up your sound. In theory would this not help in car audio as well with, say, the sub? Not going to try it due to obvious safety reasons and space, but just curious.

thats a good question, but are there any down firing sub boxes for car`s?.

^ Yes there are.

Don’t isolate the woofer, accept it and welcome it as part of the family... [img]tongue.gif[/img]

Actually the concept of vibration control/ resonance control is essential to SQ in the car. The spikes in the home system focus the weight of the speakers and effectively increase the mass of the speakers so they and the floor will not go into sympathetic vibration. The concept in the car is to mount the sub box (in this case) so that it does not rattle/ shake/ against the car and the car effectively anchors the sub sonically and physically. These are big words but car installers have been doing it forever, it is common sense.

I am sure the sub could be made in a cabinet that floats while being anchored (a box in a box concept) but why? I have found the sub bass in merely above average SQ cars to be the match to $20,000 home speakers in intensity and frequency extension.

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I don't know what your problem is, but I'll bet it's hard to pronounce.

Johns right... If you could weld the enclosure to the car, that'd work for me.