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By SpeakerBoy
I'm having trouble getting the right mass to tune a PR enclosure
I got ~1200 grams when I used a calculator online but 158 grams when I used the mass of the air in the port as my starting point. I feel like i'm missing something.
i'm aiming for 8cu @ 26hz with a single 18" and two 18" PR's
What do I need to do to get the correct calculation? The reading seems straightforward but I keep getting these two opposing answers.
Thanks,
-Chris
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By bassthrashin
I would like some input on building an enclosure for 2 ZCON 15D2's. The max cubes available for the box is 7(3.5 per sub) after displacements. I want to tune at 31hz. I have seen the recommendations SSA's site for enclosures but would like to have some outside information on how well these will do in 7 cubes . They will be running off a SAZ3500 at .5ohms. Thanks.
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By 10rogerd
Hello all, I'm new to this forum, but not to car audio. I am however new to the Sundown woofers. I'm hoping you all can lend some help and thank you in advance on my enclosure design. What I have is an 05 Acura TL I'm doin a pair of Sundown SA12s in the trunk. Subs to be fired foward and a 6in Aero either out the back or side. I have tried several enclosures with foward fired subs & port, but the car just did not really like it. Last setup was a single CV Stroker12, power was supplied by an O.S. USamps VLX400 1ohm mono. I had good results with two 4in PVC ports fired back, Sub obviously foward. Then tried a 6in Aero out the drivers side of box. The Aero was slightly better. Anyway, my questions are... I have roughly 31in wide/26in deep and 13.5in tall to work with. I have an enclosure drawn up already with a net volume of 4.05 ft>3 and Torres is telling me with the 6in Aero @ 17in long this will yield me a tune of 29.64htz. Does this sound rite? I do want it to play very low!! I Only play music. Rap/Hip Hop/R&B/Funk/lil bit of rock/metal. My other concern is how will these subs like this size enclosure with the brutal power of the VLX? Amp is "rated" @ 2400 wrms @12.5v. Charging system is decent with a total of 4 large batteries and a 50farad Stinger Cap. All power/ground wire is 1/0 Monster Cable. Voltage playing it hard stays in the mid to high 13 volt range. Any input on if this will work fine would be great! Thanks again everyone.
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By handman84
I set my sub amp gains with my hu eq flat. It sounds ok, but I seem to be wanting a little more. Is it bad or potentially harmful to tune the eq on my head unit with the amp gains set as is, or is it wise to reset the gains after messing with the eq? I learned my lesson the hard way about bass boost by frying my last sub. My sub and amp are matched as far as RMS goes, so I dont want to take any chances and risk damaging my sub. Advice? And how reliable/accurate is the clipping light on an amp sub remote?
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