cnate777 Posted July 12, 2008 Report Posted July 12, 2008 Steve, Just wondering if you ever determined the resonant frequency of the Tahoe? If you did what did you come up with? Did you do a sine sweep? Also, what size is the port in the Tahoe and what frequency is it tuned to? Competetion and on the You Tube videos. Rockford Fosgate Sundown Audio DC Power Inc XS Autometer Pioneer
EricM9104 Posted July 12, 2008 Report Posted July 12, 2008 you don't use a sine sweep to find res freq it's tuned to 30-ish daily 2015 Honda Civic LX 4dr | 110k miles | Stock 1996 GMC Yukon SLT 4dr 4wd | 260k miles | JVC Head-unit
cnate777 Posted July 12, 2008 Author Report Posted July 12, 2008 Are you saying the Tahoe is tuned to 30 hertz or the box is tuned to 30 hertz. Why cant you use a sine sweep to find res freq? Rockford Fosgate Sundown Audio DC Power Inc XS Autometer Pioneer
kingsuv Posted July 12, 2008 Report Posted July 12, 2008 you can use a sweap to get your freq It will have two peaks, one for the box tuning and the other will be the car. Designing, building, and shipping boxes. Yahoo IM - kingsuv00If the listening level is too loud, please inform the driver, so he can promptly pull over, and let you out. not many cars can get me to pluggin my ears but this one.......damn. I mean the first minute is ok but that thing just really starts digging deeper and deeper in your earhole till you cant stand it no more. Seems like it does it with relative ease....16 12's on 8 amps.........gotta love it.
kingsuv Posted July 12, 2008 Report Posted July 12, 2008 I would say his box is tuned to mid 30's Designing, building, and shipping boxes. Yahoo IM - kingsuv00If the listening level is too loud, please inform the driver, so he can promptly pull over, and let you out. not many cars can get me to pluggin my ears but this one.......damn. I mean the first minute is ok but that thing just really starts digging deeper and deeper in your earhole till you cant stand it no more. Seems like it does it with relative ease....16 12's on 8 amps.........gotta love it.
EricM9104 Posted July 12, 2008 Report Posted July 12, 2008 Are you saying the Tahoe is tuned to 30 hertz or the box is tuned to 30 hertz. Why cant you use a sine sweep to find res freq?single sub in sealed boxplay tones NOT a sweep at moderate volume take note of what freq is loudest make sure voltage and volume are consistant throughout testing for finding res freq 2015 Honda Civic LX 4dr | 110k miles | Stock 1996 GMC Yukon SLT 4dr 4wd | 260k miles | JVC Head-unit
kingsuv Posted July 12, 2008 Report Posted July 12, 2008 ^^^^^ Proper way to do it. Designing, building, and shipping boxes. Yahoo IM - kingsuv00If the listening level is too loud, please inform the driver, so he can promptly pull over, and let you out. not many cars can get me to pluggin my ears but this one.......damn. I mean the first minute is ok but that thing just really starts digging deeper and deeper in your earhole till you cant stand it no more. Seems like it does it with relative ease....16 12's on 8 amps.........gotta love it.
ISO Posted July 12, 2008 Report Posted July 12, 2008 X3 Isobaric - Refers to the practice of coupling two drivers together to make them act as one. "Giving up doesn't always mean you are weak; sometimes it means that you are strong enough to let go." Insanity: doing the same thing over and over again and expecting different results. The Destruction of a person builds character.
banginAltima Posted July 12, 2008 Report Posted July 12, 2008 ^^^^I disagree^^^^ Your frequency will change depending on the size of the sealed box. If you build it, db's will come... NSPL World Record Holder Trunk 0-1800 watts---147.9 with 1722 clamped watts @ 40Hz(9-20-09). Competition Only Record Holder Trunk 0-500 watts---148.1 2006 Nissan Altima 3.5 SE Currently Rebuilding.... My 150db Plus Trunk Build I do box designs. [benH] 6:24 pm: clipping doesn't really hurt subs [benH] 6:24 pm: being an idiot is what blows subs
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