#1496594 - 22/09/08 08:55 PM
Need help gettin new system 2 12's
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DougyG
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Registered: 22/09/08
Posts: 7
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hey.. im tryin 2 get a new system in my truck.. gonna put 2 12's on the back seat need sum imput.. right now im thinkin 2x jl audio w3v2 or alpine type r's.. not sure on wut i want yet want sumthin that hits hard.. but good sound quality 2.. any input would be nice thank you
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#1497156 - 23/09/08 01:23 PM
Re: Need help gettin new system 2 12's
[Re: DougyG]
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Critical Audio
Critical Acclaim
SD Ralph Wiggum
Registered: 07/06/08
Posts: 43
Loc: Waco, TX
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JL Audio is a great choice for loud and clear! And Alpine is great too. I would pick JL
I have 2 12in' Rockford Fosgate P1 and am very happy! Look at Rockford Fosgate P2 or P3!
What enclosure are you going to put the subs in?
_________________________
Wanting to be quick and in a rush has cost me, my past is now catching up, do it right the first time! - 'R.I.P Alpine 9884'
1991 Plymouth Acclaim - "Critical Acclaim"
HU - Alpine 9874 Door Amp - Kenwood 2ch Sub Amp - Hifonics Bxi 16006 Front Doors- Memphis PR 6'1/2 Subs - 2 15in. RE 08 SED4 Sub box - Custom Sealed Sound Deading - Peel N Seal + Polyfill
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#1497171 - 23/09/08 01:52 PM
Re: Need help gettin new system 2 12's
[Re: Critical Audio]
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JDAccord
SQ Rookie
Team SoundDomain
   
Registered: 09/07/08
Posts: 201
Loc: Chattanooga, TN
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I've heard issues with Rockford P3's, from the coating on the cones cracking.
To me, a Type R is a great beginner sub. They get plenty loud, are durable, and don't sound bad at all. I'd personally go with JL if you could afford it, but that's more SQ oriented. You might get more output from the Alpine's.
It's been a long time since I've heard either sub, and they weren't in the same install, so I can't really comment on which would be louder, although I'd lean towards the Alpine.
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#1497229 - 23/09/08 03:33 PM
Re: Need help gettin new system 2 12's
[Re: JDAccord]
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DougyG
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Registered: 22/09/08
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the box im gettin is from a local store alot of my friends have them n they sound really good its vented its made out of a different material i honestly couldnt tell u wut but ya..
and right now i jus have a "10 phoenix gold under the seat its aiight but i want sumthin thats loud! im plannin on gettin all this stuff on ebay n my limit is about $1000 so if yal have any ideas on wut amp i need 2 get for the 2 12's or like.. if their r better 12's that arent insanely exspensive that would be nice
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#1497244 - 23/09/08 04:08 PM
Re: Need help gettin new system 2 12's
[Re: DougyG]
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JDAccord
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i believe those subs are rated around 500 watts each, so you'll want an amp that does 1,000 watts rms. alpine, kicker, rf, jl, etc will all do their rated power and would match up really well. an alpine mrd-m1005 is an older model that is solid that you could find on ebay for cheap.
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#1497251 - 23/09/08 04:19 PM
Re: Need help gettin new system 2 12's
[Re: JDAccord]
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DougyG
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Registered: 22/09/08
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so would i need to get 2 12 type r's 4 ohm each? and then get a 1000 1 ohm stable amp or w\e? or 2 ohm subs with wut type of amp?
Edited by DougyG (23/09/08 06:11 PM)
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#1497300 - 23/09/08 06:22 PM
Re: Need help gettin new system 2 12's
[Re: DougyG]
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DougyG
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Registered: 22/09/08
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^
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#1497338 - 23/09/08 07:38 PM
Re: Need help gettin new system 2 12's
[Re: DougyG]
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keep_hope_alive
Snooch to the Nooch
SD I chew on Mike Tyson's ear
  
Registered: 24/04/07
Posts: 8816
Loc: Quad Cities, IL
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the type-r subs will be dual voice coil. try to get an amp that can do 1000W at 2 ohms - Alpine has the MRD-M1000. With that, their SWR-1222D will give you four two ohm coils (two per sub) that can be wired like this:

if you decide that you need a 1000W at 1 ohm amplifier then get the SWR-1242D to get four four ohm coils and wire them like this:

notice that your sub selection influences your amp selection - they form a system and must be coordinated. It goes like this:
1. Choose your sub(s) 2. Decide how much power you want to give each sub 3. Find an amp that can make the total RMS power desired 4. Determine at what impedance load the amp makes that power 5. Choose the voice coil impedance that allows you to wire to that impedance.
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#1497462 - 24/09/08 05:08 AM
Re: Need help gettin new system 2 12's
[Re: keep_hope_alive]
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DougyG
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Registered: 22/09/08
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would the 1000w 1 ohm stable amp wit the 4 ohms or the 1000w2 ohm stable amp wit 2 ohm subs be better? or is their no difference?
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#1497518 - 24/09/08 06:23 AM
Re: Need help gettin new system 2 12's
[Re: MA585]
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keep_hope_alive
Snooch to the Nooch
SD I chew on Mike Tyson's ear
  
Registered: 24/04/07
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the cost may be the same. a lot of cheap amps don't get to their 1 ohm rating or their 1 ohm rating is the same as their 2 ohm rating.
to get 1000W at 1 ohm reliably is going to be more expensive than 1000W at 2 ohm.
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#1498051 - 24/09/08 05:24 PM
Re: Need help gettin new system 2 12's
[Re: keep_hope_alive]
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DougyG
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Registered: 22/09/08
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so it would be better to get 2x 12 alpines 2 ohm and a 2 ohm 1000 watt amp instead of the 1000 1 ohm stable amp wit 4 ohm subs?
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#1498125 - 24/09/08 08:52 PM
Re: Need help gettin new system 2 12's
[Re: DougyG]
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gibby
gibby
SD First guy voted off Survivor
Registered: 17/02/08
Posts: 360
Loc: Pittsburgh, PA
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[Yes] It would be better for longevity of the amp and sub. If you could find a 1000W 4Ohm stable amp in your price range I would look at that too.
You could wire 2 4Ohm DVC subs to 4Ohms to make that setup work.
Edited by gibby (24/09/08 08:53 PM)
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#1498815 - 25/09/08 05:12 PM
Re: Need help gettin new system 2 12's
[Re: gibby]
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DougyG
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Registered: 22/09/08
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aight thx
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