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My boxes for 2 Sundown SD-2 12's too small?


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I have OFC 4 AWG power and grounds. Amp is the Rockford Fosgate R1000.1D. Prime series. Don't even know if it is putting out true wattage really. It came with a birthsheet of 1083 watts RMS @ 2 ohms. I don't get any movement or output of the subs unless the gain is at 9 out of 11 either.

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you can't really expect much sound out of a 0.65 cu ft prefab box..

Didn't even subtract woofer displacement. Probably sitting on 0.50 cu feet.

so true..he is going experience such a drastic difference with a custom made box.

If you have any questions relating to nutrition, lifting, or health in general, feel free to give me a PM and I will give you straight forward advice with no BS involved.

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I have OFC 4 AWG power and grounds. Amp is the Rockford Fosgate R1000.1D. Prime series. Don't even know if it is putting out true wattage really. It came with a birthsheet of 1083 watts RMS @ 2 ohms. I don't get any movement or output of the subs unless the gain is at 9 out of 11 either.

If the birthsheet says it is putting out that much I would trust it coming from Rockford. If you aren't sure then you can always test it yourself if you have the tools. The subs not moving could have also resulted in the lack of air space, not sure but might have been it.

For you to get it to wire to 2 ohm you need to buy (two) 2 ohm subwoofers and wire it down like this.

2DVC_2-ohm_mono.jpg

b_350_20_692108_381007_FFFFFF_000000.png

Krakin's Home Dipole Project

http://www.stevemeadedesigns.com/board/topic/186153-krakins-dipole-project-new-reciever-in-rockford-science/#entry2772370

Krakin, are you some sort of mad scientist?

I would have replied earlier, but I was measuring the output of my amp with a yardstick . . .

What you hear is not the air pressure variation in itself

but what has drawn your attention

in the two streams of superimposed air pressure variations at your eardrums

An acoustic event has dimensions of Time, Tone, Loudness and Space

Everyone learns to render the 3-dimensional localization of sound based on the individual shape of their ears,

thus no formula can achieve a definite effect for every listener.

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That is probably the reason behind almost all of your problems. Get the SD-2 12's or SA-12's. Depending on where you get your subs the SA's aren't that much more and are a level higher up on the line.

Edited by Chase Rowlett
b_350_20_692108_381007_FFFFFF_000000.png

Krakin's Home Dipole Project

http://www.stevemeadedesigns.com/board/topic/186153-krakins-dipole-project-new-reciever-in-rockford-science/#entry2772370

Krakin, are you some sort of mad scientist?

I would have replied earlier, but I was measuring the output of my amp with a yardstick . . .

What you hear is not the air pressure variation in itself

but what has drawn your attention

in the two streams of superimposed air pressure variations at your eardrums

An acoustic event has dimensions of Time, Tone, Loudness and Space

Everyone learns to render the 3-dimensional localization of sound based on the individual shape of their ears,

thus no formula can achieve a definite effect for every listener.

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