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fmedina

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Posts posted by fmedina

  8. help wit a box?

    in Subwoofers / Enclosures

    Posted

    IM up in Marysville, if you ever come up this way i could help you out. I have a 02 Monte Carlo that i have tried a couple box designs with different subs.

    12"s sealed facing back

    15"s sealed forward

    15"s ported subs up port forward

    18" sub up port forward

    15"s subs and port forward @ about 42 hertz

    15"s subs back(inverted) ports forward(tube ports) @35 hertz

    This is my current setup, and was a HUGE gain(by ear) over any other setup.

    15"s subs and port(tubes) forward @35 hertz

    2.jpg

    But i think i need to cut my amp rack down some. :pardon:

    dam dude that sht looks sexy. thanks man ill hit u up if i ever hit up marysville forsure. i only have one 12 tho. wat u suggest for that?

  9. help wit a box?

    in Subwoofers / Enclosures

    Posted · Edited by fmedina

    so im wanting to build a new box for my aq hdc3 12" in a 98 olds intrigue goin in the trunk. is there anyone out there with experience that would like to give up some time for a fellow smd member and draw out or tell me bout a nice ported enclosure design? this will be my first box build so all help would be greatly appreciated. and once i start on the build i will post pics and updates in all credit to my designer lol.

  13. alts vs batts

    in Electrical-battery- Alternators- Wiring

    Posted

    1200w / 14v = 85.7amps / 70%efficiency = 122amps that your car needs to supply your sub amp.

    your car should be using 70-80% of your stock alts output so add that number to the amount of power you need.

    if you got a 250 amp alt you probably wouldnt need extra batteries.

    so is that 122amps that u got from the alt? so ur sayin for a 1200w system i need at least 122amps from the alt depending on the amp

  21. volt drop

    in Electrical-battery- Alternators- Wiring

    Posted

    so i got a new yellow top optima batt and done the big 3 and it reads 14.1. my old stock batt and with no big 3 it read 14.4. y is it lower when the upgrade was suppose to make it better. did i do somethin wrong? or do i need to charge the battery more? i would like some advice and suggestions please.

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