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Silver Member Username: CharlesbhsDallas, Tx USA Post Number: 485 Registered: Jan-07 | ok well i want a amp that is very efficeint at 4 ohms. my amp now i found out is only lie 65% efficient and its rated at 1480 rms so im only sending my sub like 800 watts. now i have an rl-s and it likes between 1200-2000 watts.. so what amps do you guys suggest. i have made posts about this before but no ones ever told me one that could put out this sort of power. i have a PG Tantrum 1200.1 right now. |
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Silver Member Username: SomedonniedudeIllinois United States Post Number: 867 Registered: May-07 | What size alternator do you have? Whats your price range? The only thing I can think of off the top of my head is maybe a kicker kx or zx2500.1 You could possibly do a 2ch bridged @ 4 ohms, but you would be taking away the efficiency part. |
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Gold Member Username: JuliobSanto DomingoDominican Re... Post Number: 5162 Registered: Dec-05 | JL 1000/1 It's hard to climb considering you had a very good amp. |
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Silver Member Username: CharlesbhsDallas, Tx USA Post Number: 486 Registered: Jan-07 | Alternater: 180a (bmw 328i '07 so im guessing it uses alot of the alternaters power. and really i wanna stay below like $500 but even thats more then i really wanna spend. how efficeint are the zx2500.1? would i be much happier with the jl amp? |
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Silver Member Username: Drant19DUB-C, TX Post Number: 333 Registered: Aug-07 | why at 4ohms?? whats the vc? |
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Gold Member Username: Nd4spd18Northwest PA Post Number: 5995 Registered: Jul-06 | JL and Kicker are good quality amps but they are not efficient........ I think an alpine PDX is what you're looking for |
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Silver Member Username: CharlesbhsDallas, Tx USA Post Number: 487 Registered: Jan-07 | Its a svc 3ohm to be exact. What about jbl bpx 2200.1? How efficientd the jbl? |
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Gold Member Username: Bnd_rulezPhoenix, AZ USA Post Number: 1409 Registered: Mar-05 | http://www.woofersetc.com/index.cfm?fuseaction=product.display&Product_ID=471 |
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Silver Member Username: KillswitchjdPost Number: 722 Registered: Apr-06 | If thats your sub, then the reason your only getting 800 is because its at 3 ohms, not 2 ohms to get the 1200 ( or 1480 which if thats what on the birth sheet should be true).so its not the 65% efficiency fault so you want something that is around 1800 watts at 4 ohms or 2000 watts at 4 ohms. |
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Gold Member Username: MixmastaspigCanada, Canada Canada Post Number: 1478 Registered: Sep-05 | An amp of that calibur (1,800rms @ 4ohm) is going to cost more than $500, as that's a damn big amp. As what Nate said, your amp is seeing a 3ohm load and not a 4ohm load becuase of your subs VC. An amp that does around 1,000rms @ 4ohm will suit you fine as it would produce around 1,500rms @ 3ohms..... |
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Gold Member Username: MixmastaspigCanada, Canada Canada Post Number: 1480 Registered: Sep-05 | around 1,250*** not 1,500. My bad |
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Gold Member Username: JuliobSanto DomingoDominican Re... Post Number: 5174 Registered: Dec-05 | you can always strap two small amps 1 ohm stable. |