Neal82 Posted February 26, 2012 Report Posted February 26, 2012 so idk what keeps happening... i keep loosing my posts.. comes up with some kinda error crap..... anyway.... Building a 4th order box for a 15" Sub... well actually 2 of them for my boat. what info ive gotten from last thread that disapeared was that i need to keep the box as close to 1:1 as possible should be ported to 45-55Hz These will actually be the rear seats so my measurements (rough to cold to go get actuals) Box 20"W x 20"H x 25"D Port 18.5"W x 4"H Tuned to 52Hz says i need a 13"D port Does that sound about right? Or should i tune it lower? 48Hz = 16.5"D Truck Polk 4x6 Plates Polk 4x6 Polk PA660 4Channel amp JVC USB Deck Wifes Car (under construction) Polk MoMo 6.5" Components Polk 6x9s Polk Pa660 4Channel amp Still trying to talk her into a sub or 2 Boat (under construction) Polk 5.25" Components Polk 6.5" Components 2x American Bass DX15s Polk PA660 4Channel 2x Polk PA880 Sub Amps (hopefully)
LoudBimmer Posted February 26, 2012 Report Posted February 26, 2012 wrong section. Go down to enclosures section.
n8ball2013 Posted February 26, 2012 Report Posted February 26, 2012 stop posting it in the wrong section. THERE IS NO BUILD LOG! 1998 Chevy Silverado ext cab Alpine CDA-9887 4 Team Fi 15s 2 Ampere Audio TFE 8.0 2 Ampere Audio 150.4 3 Digital Designs CS6.5 component sets Dual Mechman 370XP Elite alternators inbound! 8 XS Power d3400 6 XS power d680 Second Skin Stinger Tsunami Wiring Sky High A Real Voltmeter not a piece of shit stinger.
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