Originally Posted by
lone racer
Do you by chance have car audio input,I'm putting a "system" in a dodge magnum.I have never done a suv type or open cabin,only trunks.I will be using a ported enclosure with 2 10" subs that I will build.I want to understand more about things like cabin gain,quarter wave and so on.I need to find my resonant frequency of the magnum there is my first goal, but have no tools to get this info.Usually I start with a tuned hz enclosure then try a box above and below starting frequency and go from there,THE HARD WAY but I like building enclosures and have a few on hand, but these will not help in this case.From my experience trunk sub to port placement is key,they are usually facing the back of car sub and port on same baffle with port on passenger side giving driver seat best sound.From checking car audio web sites they don't work best facing back because the waves don't mesh. and cause cancellation.So hopefully you have an idea of what I'm trying to get help with. I know there's no real answers or explanation specific to this but there are a million formulas and theories to answer theoreatic questions and I'm open to hear any thoughts you may have.I have waited years to use my equipment for a build.
Soundstream USA 10" subwoofers x2
Soundstream USA 180 amplifiers x2
If needed I will use AudioControl eqx to get stupid adjustment for sq
Hi/mid amp will be a Alphasonik pma-4050 sp (can not find specs for this amp) have never seen another pma 4050 SP.
The 2 USA subs will be my main subs but will be swapped out on occasion for other sound treats.I will also build 2 other enclosures for my other babies,A single soundsstream exact 10" more likely in a sealed for sq and a tantric md 12" in a bp for spl these will be powered by old planet audio amps.
Do you have a db meter or means to measure db and hz by laptop for in car response.Using online programs help but in car response is usually different so trusting and building to what they say is a shot in the dark.I'm rambling on so if you wanna shoot the shit about it I'm listening.
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