RAM_Designs
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Posts posted by RAM_Designs
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Never charge your batteries overnight unless that charger will stop when the battery is 100%.
Any charger worth a damn is going to be microprocessor controlled an shut off automatically...I'd never buy one that isn't. I use vector chargers, they made the ones for kinetik(maybe still do?). I have three of them now, love 'em. My newest one is the big 4/10/20/40, and it has wet/gel/AGM modes.
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I need to get some more underground hip-hop tracks to add...
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Sick box, sick song. I love Muse, and dubstep, so it's meant to be.
Thanks! Everyone else has been hatin' on the dub.
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Lots of low-end output was the request, so a large ratio box tuned down to 42hz is what we came up with. The subs being used at DC Level 4 18's with Level 5 coils. Power on hand is 8-10k.
Vehicle: Chevy Tahoe
Sealed Volume: 4.75ft^3 per chamber
Ported Volume: 25ft^3
Port Area: 384in^2
Tuning: 42hz
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Thanks guys, can't wait to see the end product either.
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This is a box design for Jimmy Greaves, a Sundown Dealer, and his 2001 Blazer. The box is 13ft^3 tuned to 33hz. Everything is double layered except for the bottom. Please excuse the random black flashes, I'll be trying a new recorder next time to see if it helps any.
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Just like any kind of box, it deepends on how it's designed. They(bandpass boxes) can be made to do any of the things you listed...
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And to imagine I used to do everything by hand a few years ago.
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I'm still playing around with this new video setup with the intro and such...trying to use some sped up video to catch more of the designing without making the video overly long and boring.
Triple 18" DC Audio XL's
Vehicle: 1995 Jeep Grand Cherokee
Chamber Volume: 16.5ft^3
Port Area: 225in^2
Tuning: 34hz
Dimensions: 42" wide x 24" tall x 48" deep
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thanks for showing how to do that round over thing! i've got a lot to learn with sketchup.
No problem. There are lots of little techniques and shortcuts that you kinda stumble upon.
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Let me guess...Michael J. Fox is your neighbor and he insisted on doing the cutout for you.
I couldn't help myself...
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love that mortal kombat music and love the design as always was it hard to find port volume on that? in that strange shape?
Not hard at all. I just kinda guess and then see what the port area is by using the "text" tool. Click on any closed in space and it'll give you the area of it. Then I'll alter it a little to get the area I need.
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damn that sucks, im doing 149s on less than 3k with a ported box and 2 sa15s
Is that the SA-15 box I did for you?
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Here's a quick vid of a complete design process...sped it up a little to save some time. This is a very simple one, just trying it out for the first time. I may do something like this for a more complex design so you can see all the little things that are done to achieve a desired look.
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What vehicle is this going in?
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With the power you have available, 3.5ft^3 per sub will be fine. I'd personally shrink the port area a tad so you can get a little lower tuning and have the same port displacement...up to you though.
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4x AQ 18" HDC's in a 4th order BP with adjustable port. Each sub is seeing 2.75ft^3 sealed and 5ft^3 ported. The port is removable and can easily be rebuilt for other tunings and port sizes if desired. This would make it easy to have a higher spl tuning for burps and a smaller, lower tuned port for some ferocious low-end output. The box is picture with a 46hz port.
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With that volume, you're going to be better off going with some aero/round ports instead of taking up a ton of volume with a slot port and lowering the efficiency of the box. Up the height to 20" and use a double baffle, brace the hell out of the rest of the box, and you'll be good.
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What kind of power are you running to each sub?
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This 4th order bandpass will be going in the bed of a 2008 single cab Chevy. Inside will be two of the new model Orion HCCA 15's. Each sealed chamber is 2.25ft^3 with a common 10ft^3 ported chamber tuned to 46hz. As you can see, there is a removable panel at the top of the box to access the subs, and the port is removable as well so that tunings and port size can be altered to custom tune the box.
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2.5 tuned to 35hz or would you go lower tuning? This is for daily. Just looking for good output. The vehicle is an f250 so im trying to gather as much space I can and still keep it looking stock.
I prefer a lower tuned box, but it's up to you. I like having that low-end extension and despise having an obvious peak in the 45-55hz area.
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2ft^3 for a pair is the absolute lowest I'd go. Once you start going too small with them you really sacrifice your low-end output. Ideally, you're want about 2.5-2.75ft^3 for the pair in a common chamber box.
aq 15 in a 4th
in Subwoofers / Enclosures
Posted
With that power I'd do a larger sealed chamber, but I'm looking forward to see what happens. But I imagine it'd be hard to fit 2.5-3 cubes sealed and 3.5-4 cubes ported in a trunk.