Subs that can hit 150+ Db off this amp!!!
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Silver Member Username: MixmastaspigOkanagan, B.C Canada Post Number: 142 Registered: Sep-05 | I will be running this amp: (1000.2) http://www.audissy.com/db_amps.html Cont. Power 4 Ohm 2 x 500 Watts Cont. Power 2 Ohm 2 x 800 Watts Cont. Power 1 ohm 2 x 1000 Watts Cont. Power Bridged 4 Ohm 1 x 1600 Watts Cont. Power Bridged 2 ohm 1 x 1950 Watts its underrated and its a Dark Blue 1000.2 amp I want to compete in STREET B and I just want 2 12" subs that can get in the high 150's for DB off that amp! What would 2 12" L7's do SQ is not too important! every one says RE what would they get? |
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Bronze Member Username: BrandonmoodyRushville, Indiana United States Post Number: 23 Registered: Sep-05 | It's hard to say because there is way more things that play a role than just the subs and amp. You have to have the right enclosure, and what car is it going to be in? |
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Silver Member Username: MixmastaspigOkanagan, B.C Canada Post Number: 143 Registered: Sep-05 | 89 ford Escort, I will get custom enclosure to the subs specs ported of course! |
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Bronze Member Username: BrandonmoodyRushville, Indiana United States Post Number: 24 Registered: Sep-05 | Go with 2 12" RE SX. Each sub is 1000 watts rms. Thats plenty for your amp if not more. I wouldnt go with any subs with more power than that unless u have enough money for new alternator and batteries. The RE SX will hit outrageously hard, and has SQ too. You will be happy with these subs. They are around $275 per sub w/o shipping. |
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Silver Member Username: MixmastaspigOkanagan, B.C Canada Post Number: 144 Registered: Sep-05 | whats OHM is the 1000 rms at? |
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Silver Member Username: CenusHicksville, Ohio Usa Post Number: 534 Registered: Jan-05 | well if you can find them get some shocker sigs, you'll under power them some with that amp but in the right enclouser you could easily get in the 155db range. |
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Gold Member Username: SouthernrebelMonroe, Louisiana USA Post Number: 1276 Registered: Mar-04 | your not just going to stick a 2000w amp and 2 1000wrms subs in a car and magically do 150dB+. even if you do a the recomended enclosure for those subs, you prolly wont get 150dB...You would have to do an SPL enclosure. (tune the box to peak at your car's resonance frequency) Plus, SPL enclosures are usually not ment for daily driving...they are usually tuned too high. In an SPL install, 2 SX12's w/ 2000wrms+ are very capible of 150dB...but getting it that loud is going to require alot of testing and building. But in a RE recommended enclosure, 2 SX's would sound good and get loud....just not 150dB. SX's are DVC 2ohm...so that amp would work well on a pair of them. |
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Silver Member Username: Big_osoPost Number: 481 Registered: Jun-05 | Obviously none of you have ever competed in db drag it is hard as he11 to make it into 150's. First I don't want to sh1t in your corn flakes but there are people running over 10kw to 2 12" woofers and are barely hitting 153. I hope you are planning on bringing a lot more to the table than that. I am running 2 RE MT's off of 4 IA 20.1 and I am barely over 150. That is including a Hawker 2150 battery and around 20 runs of 1/0 wire to the buss bars in the back. |
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Gold Member Username: SouthernrebelMonroe, Louisiana USA Post Number: 1280 Registered: Mar-04 | oso... what size MT's? stock class? by the way...i only do 144 legal(TL) w/ a bp1200.1 and 1 SX15 (yea...i'm not loud...i know) |
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Silver Member Username: Big_osoPost Number: 483 Registered: Jun-05 | 12" dual 1ohm coils Street b setup in a 4dr trunk car single battery car off sealed legal on the dash. Next year a lil more wire and a new box (Impedence rise is a b1tch) |
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Gold Member Username: SouthernrebelMonroe, Louisiana USA Post Number: 1286 Registered: Mar-04 | i know what ya mean Oso...my box rise a burp frequency is ~3.3ohms. |
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Silver Member Username: MixmastaspigOkanagan, B.C Canada Post Number: 146 Registered: Sep-05 | Well I hit 139.6db with 2 type R 12" running of a XPLOD amp in a STORE bought sub box..I assumed 150 wouldnt be that hard to get (10db more) as the amp I am getting is 4000 MAX as all those specs above are RMS the current one is 1400 max(its sony so more like 800 max) So RE SX are my best bet then? I just want LOUD SPL with a tad o SPL some guys hit 150 somthing using 2 DD subs off a 4000 watt amp...and Im pretty sure the amp im looking at is ALOT better. not some Visonik piece. |
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Silver Member Username: RhasslerGilford, NH Post Number: 402 Registered: Dec-04 | Don't go by max on anything, There are amps out there that say 2000 watt MAX and are really like ~275 watt rms |
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Silver Member Username: MixmastaspigOkanagan, B.C Canada Post Number: 147 Registered: Sep-05 | the amp is $1,800 plus taxes 4000 MAX made by Helix and the RMS specs are underrated so bridged it gives out 2000+ RMS at 2 OHMs..its a HUGE amp man. |
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Anonymous | 10db is A LOT! |
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Silver Member Username: CenusHicksville, Ohio Usa Post Number: 535 Registered: Jan-05 | damn $1800, for that amount i would get a kicker kx 2500.1 which puts out around 2800 watts and it only costs around $1000. |
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Silver Member Username: Big_osoPost Number: 485 Registered: Jun-05 | Trust me you think your going to hit 10db higher with just new equipment, will not happen. Be prepared to run around 300 ft of 1/0 wire, a decent battery (I'll let you figure out which to go with) around 25-50 sheets of 3/4" MDF for lots of diffrent boxes (Impedence rise is a b1tch) countless hours of building, testing, tuning (for that part better buy a termlab). Oh and just out of curiousity what kind of car is the equipment going in (believe me that has a lot to do with what it will take to hit 150) |
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Bronze Member Username: Eprussian07Post Number: 20 Registered: Oct-05 | Isnt +10db like somewhere in the "twice as loud" region? |
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Silver Member Username: Robert_dMIA, FL USA Post Number: 211 Registered: Sep-05 | i think by theory every 6db is twice as loud |
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Gold Member Username: InvainMichigan United States Post Number: 3865 Registered: Aug-04 | "Well I hit 139.6db with 2 type R 12" running of a XPLOD amp in a STORE bought sub box..I assumed 150 wouldnt be that hard to get (10db more) as the amp I am getting is 4000 MAX as all those specs above are RMS the current one is 1400 max(its sony so more like 800 max) So RE SX are my best bet then? I just want LOUD SPL with a tad o SPL some guys hit 150 somthing using 2 DD subs off a 4000 watt amp...and Im pretty sure the amp im looking at is ALOT better. not some Visonik piece" What mic did you get taht 139 off of, and where was it placed, and were your windows down? I love it when people think they're gonna go out and buy a 2000 watt amp and get a couple big subs and expect to hit 150+ db's. It's actually somewhat hard to hit in the 140's if your working with minimul cash. I don't think many people have actually heard 140 or 150 db's either, so they can't even comprehend how loud it is. There's probably quite a few people that are hitting like 10 db's less than what they actually think they are. |
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Silver Member Username: FandimReno, Nevada United State... Post Number: 308 Registered: Jun-05 | I can hit 150 - and people straight STARE if I actually have it on.. I get flipped off a lot, and a lot of people start dancing, lol, it's crazy. And I dont even play it at 150.. Trust me - if you're even hitting 140-145...driving down the road...you WILL get a LOT of people that just plain gawk at you. Seth |
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Silver Member Username: SpyderEglin AFB, Florida USA Post Number: 151 Registered: Jun-05 | well i hit 141db off a 1101.1 zapco reference amp in a 01 firebird on a single w7 12. funny thing was the box was sealed!!!! i have hit close to 150 and i was throwing 600 watts times at at each of my 2 W3 12's. that was in a 3.5 cubic foot box ported tuned to 52hz. and i can honestly say that i will not do that again.....all the other things i had done was i completly dynomatted the car floorboards and all....upgraded to a stinger red top....had a 3fared cap just for the hell of it.....and had my alternator rewound for a 200amp output at 2 grand! getting a vehicle up to 150db is hard.....after all that i still didn't reach 150....i was close but didn't hit it! |
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Anonymous | No by theory 3db is twice as loud. |
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Gold Member Username: Basshead86Ocala, FL USA Post Number: 2310 Registered: Aug-05 | no, by theory, every 6-10db is twice as loud. -you gain 3db from doubling the power -going from sealed to ported -adding another sub with the same RMS wattage.  |
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Bronze Member Username: Moondog1212New York United States Post Number: 12 Registered: Oct-05 | a friend of mine has four MA Audio 12s in a ext. cab ranger. 1000 watt amp. he says that it is hitting about 152db. i dont know if it is or not, but i know it will take your breath away. |
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Silver Member Username: MixmastaspigOkanagan, B.C Canada Post Number: 153 Registered: Sep-05 | :Joe SMOE: It was DB DRAG (5th place)Windows UP, placed on front windshield on passenger side. It was the western Finals for USACI in Kelowna Andreas Held it 2x point. It says 139.2 as thats the inital round,I got beaten in finals but I hit 139.6 lost to 140.6db clairon subs in a sunfire. http://www.termpro.com/asp/eventresults3.asp?Event_ID=7980 5th place STREET B Im MIKE. My set up is cheap and crappy, and I did it my self thats why I thought get everything done professioanly with huge amp and subs, and box built to specs I could get in the 150's. :Dustin Petit: And im sure the Kicker KX2500.1 is $1000 is in U.S. funds? the $1800 amp is Canadian and Im being sponsored from Helix, so I pay ALOT less, and im sure the 1000.2 amp will give out cleaner power as its a better overall AMP, and differnt brand Sinfoni has insane sound quality amps and they run at $14,00. sure you can get a amp with more power but for quality heck no, so Kicker amp is out. |
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Silver Member Username: MixmastaspigOkanagan, B.C Canada Post Number: 154 Registered: Sep-05 | car is 89 ford escort |
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Silver Member Username: CenusHicksville, Ohio Usa Post Number: 538 Registered: Jan-05 | ya im sure |
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Silver Member Username: ZacdavisBeloit, Wi Post Number: 294 Registered: Dec-03 | Wow, so many many things to correct in this thread. First off 10db is twice as loud. Second, it takes a doubling in power to gain 3db (given there is a 100% efficiency, impedence rise, woofers already met full excursion, current draw, bla bla bla) example: 100 watts at 130db 200 watts at 133db 400 watts at 136db 800 watts at 139db 1600watts at 142db 3200watts at 145db 6400watts at 148db 12800watts at 151db 25600watts at 154db Thirdly, Marshall, Pavel, Richard, Joe, spot on in your posts Fourth, Oso, your correct on alot of your statements but there a few that are just way off. 1, you dont need 300ft of power wire, lol, I've got only 2 runs going to back of my car and I do 161+'s in the kick and 157+'s on the dash. 2, You must not have very much confidence if you think it takes 10,000watts to do 153 legal lol. I've seen 154 on the dash with only 2 L7 12's and 2 Kx1200.1's. Take a look at the other things Oso and Marshall has metioned, they speak the truth, geting over the 150 mark is harder to do than people think, the imp rise, the hours upon hours of testing, rebuilding over n over, finding the right battery/ies, ect., its all true. As for you Mike, yeah, 150 isnt going to happen with that amp in my opinion. I mean I may be wrong, never heard one before so i could be wrong, but what a few here have mentioned is completly true, it takes more than just a bigger amp to jump from 139 to 150. But i wish you luck and we're all here to try and help you get there. |
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Silver Member Username: MixmastaspigOkanagan, B.C Canada Post Number: 158 Registered: Sep-05 | Yeah too many people bashing me over it! Just a simple question as Im not to familiar with the whole car stereo just yet! Yeah I just wanted to know if it was possible to hit 150db. how many amps can you get and stay in STREET B? I could get 2 of those amps and daisy chain them together.haha The Sinfoni amp I was describing is class A/B not for subs. And from the specs the Kicker can't be wired down to 1 OHM? As I said the Dark blue is underated as bridged It gives out 2000+ RMS @ 2 ohms and 2x1000 RMS @ 1 Ohm (not bridged) and its costing me LESS than the Kicker is, and Helix/Brax/Sinfoni are HIGH end companys with great sound so IMO I cannot compare the 2 as kicker is geared towards SPL. |
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Gold Member Username: InsearchofbassPost Number: 3544 Registered: Jun-04 | You can buy alot of amps for 1800 bucks please please reconsider. I would buy a couple harrison labs amps. (with harrison labs install kits) |
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Gold Member Username: InsearchofbassPost Number: 3545 Registered: Jun-04 | heres an exaple of what you can get (you can get two of these and have alot left over) 1600 rms each amp. http://cgi.ebay.com/1600-Watt-Harrison-Labs-Amplifier-NEW-IN-BOX_W0QQitemZ572610 7019QQcategoryZ18797QQssPageNameZWD1VQQrdZ1QQcmdZViewItem |
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Silver Member Username: MixmastaspigOkanagan, B.C Canada Post Number: 159 Registered: Sep-05 | Im getting SPONSORED By Audissy distrobution and they sell Helx/Brax/Sinfoni, so I get good deals. I have heard there stuff and am impressed with it, Its crazy good SQ. Guys at comps dont use 4 600 dollar amps they use 2 or 3 $2,000 amps. High end beats low end...I may just go out and buy 5 4000 watt PYRAMID amps..yee haw. Brax is like extremly high end Helix is way up there too and they make the Dark Blue. I will just go with what I am going with and after next seasons comp Ill see how well I do..no harm in that! thanks for all the input (postitive input was appreciated more though) |
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Bronze Member Username: RideredderCornell, IL USA Post Number: 50 Registered: Sep-05 | http://cgi.ebay.com/2-JL-W7-12-Subs-w-box-and-Rockford-Fosgate-1500bd-amp_W0QQit emZ5818096226QQcategoryZ39776QQssPageNameZWDVWQQrdZ1QQcmdZViewItem This guy says this system hits 150+db. |
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Anonymous | this might help some people to understand dB... 2 times the power= +3dB 10 times the power= +10dB (it is not a +30dB gain like some people think) 1 million times the power= +60dB |
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Gold Member Username: James1115Wilton, Ct Post Number: 4033 Registered: Dec-04 | exactly! if you have 100 watts going to a sub in a sealed enclosure, in order to double the audible volume it would need 1000 watts. If you were to go from sealed to ported enclosure going from the orig 100 watts it would be 500 watts. Like Zac said there are many other factors to include as well because not all subs are capable of handling 1000 watts so you reach a end point with all subs. Tuning frequency is a huge factor, MOST subs dont hit their highest SPL under 40htz( with the exception of a few) so your box must be tuned high which makes it not reasonable for a daily driver system. The reason for that is because you will cause serious damage when running a sub under its enclosure tuning freq. Zac said it pretty good here. "Second, it takes a doubling in power to gain 3db (given there is a 100% efficiency, impedence rise, woofers already met full excursion, current draw, bla bla bla) example: 100 watts at 130db 200 watts at 133db 400 watts at 136db 800 watts at 139db 1600watts at 142db 3200watts at 145db 6400watts at 148db 12800watts at 151db 25600watts at 154db " It takes a whole lot of patience and time to reach those ultimate goals not a sony amp and some power acoustic subs with a 8 guage wal-mart wiring kit. |
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