07mazda3s Posted February 26, 2007 Report Posted February 26, 2007 I have one 12" sub right now in a ported box that I built. I'm thinking about getting two tens and sealing them about 1 ft^3 each. I have a 2 channel amp. Its 500wrms X 1 channel at 4 ohms but the sub I have now is wired at 8 ohms. It can do 250wrms X 2 @2 ohms. It is only 2 ohm stable for 2 subs. Will two tens sealed at 250wrms X 2 @ 2 ohms be as loud but tighter than one twelve ported at ?wrms X 1 @ 8 ohms? Power Acoustik fubar 12 sony xploding amp 2 ft^3 box @ 35hz
sean 371 Posted February 26, 2007 Report Posted February 26, 2007 Well at 8 ohms youre only getting around 250 watts anyway. So yes it would be significantly louder. Twice the power and some added cone area. Actually, its a sony amp. So you'll get around 200 watts per sub. But either way I'd go with 2 subs at 2 ohms rather than 1 sub at 8. A couple links to some box builds: Tahoe Box 1, Tahoe Box 2, Nissan Titan, VW GTI, Mini-Bump, Hummer H2, Ford F-150 My own car builds (current setup --- under construction): Overall Thread, Kickpods, Dash, Back Doors Subwoofer Wall
07mazda3s Posted February 27, 2007 Author Report Posted February 27, 2007 Well at 8 ohms youre only getting around 250 watts anyway. So yes it would be significantly louder. Twice the power and some added cone area. Actually, its a sony amp. So you'll get around 200 watts per sub. But either way I'd go with 2 subs at 2 ohms rather than 1 sub at 8. Could I wire each of my voice coils to a channel on my amp to make 200wrms x 2 channels @ 4 ohms? Seems like it would work. Power Acoustik fubar 12 sony xploding amp 2 ft^3 box @ 35hz
sean 371 Posted February 27, 2007 Report Posted February 27, 2007 I dunno about the specs on the sub or amp. But if the amp puts out 200w at 4 ohms x2, and the sub is dvc 4 ohm, then yes you can do that. It's not the preferred method, but it'll work fine. Should sound a hell of a lot better. A couple links to some box builds: Tahoe Box 1, Tahoe Box 2, Nissan Titan, VW GTI, Mini-Bump, Hummer H2, Ford F-150 My own car builds (current setup --- under construction): Overall Thread, Kickpods, Dash, Back Doors Subwoofer Wall
Slinky Posted February 27, 2007 Report Posted February 27, 2007 i have wired a sub up like this before and it worked fine. DD M4 Rockford Fosgate P500-4 SoundQubed HDC415 w carbon fiber cap 2 Rockford Fosagate T1675-S XS Power D3400 Under Hood XS Power D5100 in rear Michael Singer 200A Alt Build Log: http://www.stevemeadedesigns.com/board/topic/153901-2012-veloster-update-842013-wall-build-4-15s/
07mazda3s Posted February 27, 2007 Author Report Posted February 27, 2007 i have wired a sub up like this before and it worked fine. So the amp will never send a different signal to each of the channels pulling the voice coils in two different directions at once? Power Acoustik fubar 12 sony xploding amp 2 ft^3 box @ 35hz
Chris Posted February 27, 2007 Report Posted February 27, 2007 No, not unless you're listening to some wierd techno of something that switches back a forth between chanels like the sometimes do using stereo but even then you shouldnt have a problem. 4 15" FI Q D2's in 12 cubes tuned to 32hz 1- T1000.1bd's 3 Maxx 29 deep cycles 4 runs of 1/0 gauge -Big 3 -Trunk sealed off from the cabin Custom 15.8 dual-volt switching MLA module All in a CAR.
07mazda3s Posted February 28, 2007 Author Report Posted February 28, 2007 I rewired it this way today. Its a little more clear and maybe a little louder. It def doesnt sound like an extra 150 watts. Overall it was worth the 15 minutes or so of work. Power Acoustik fubar 12 sony xploding amp 2 ft^3 box @ 35hz
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