Rob B
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Registered: 8th Jan 04
Location: Area Motorsport Drives: Race EP3
User status: Offline
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hi guys, i have got the VIBE CBR12TWIN subs for those of you who dont know what they are there 2 x 12" vibe subs in a ported box, all together rated at around 500 w rms (250 w from each sub)
now, i have bought an amp which is made by an american company called insazze ( dont know how its spelt ) the amp is rated at 600 w rms,
cant remember what the guy said on the phone but he said that it will work ! (i hope so)
i need to know if ,,1 sub = 4 Ohm's 2 subs = 2 Ohms
is that right ? and will this all sound good because i have been told by the guy it will sound brilliant but there just there to sell you things, any help is much appricated
cheers Rob
also , has anyone got one of these amps in there car ?
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AdiSRI
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Registered: 1st May 02
Location: Berkshire
User status: Offline
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it shud be fine m8, if wat u have been telling me is right.
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Rob B
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Registered: 8th Jan 04
Location: Area Motorsport Drives: Race EP3
User status: Offline
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ok, well i found out that its in a ported box but there wired up as two seperate subs ... ? does that help you ?
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AdiSRI
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Registered: 1st May 02
Location: Berkshire
User status: Offline
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your gonna find out when it arrives.....
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Rob B
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Registered: 8th Jan 04
Location: Area Motorsport Drives: Race EP3
User status: Offline
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yeh lol cheers adrian  thanks for the help mate
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Richie
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Registered: 3rd Dec 02
Location: Newport, Wales
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All you gotta do is run 2 sets of wires from the amp, 1 set to one post on the sub, and the other set to the other post.
Voila, parallel wiring.
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Ric_Cav
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Registered: 10th Mar 03
Location: Darkest Sheffield
User status: Offline
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the cbr12 vibe twin sub box is 350watts RMS per sub so that makes 700 total watts of RMS power.
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Richie
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Registered: 3rd Dec 02
Location: Newport, Wales
User status: Offline
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The new box isnt though, the subs in the new type box are rated at 250wRMS a shot.
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tainboy
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Registered: 13th Apr 04
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There's a difference when wiring it up tha tmakes the amp run at either 2 ohm's (if the amp is stable to run at 2 ohms) or 4ohms.
To run 4 ohms (usually standard) all you do is wire up each sub to it's own channel on the amp.
To run 2 ohms (as I said if the amp can do it) is to wire up the amps in series. To do this, wire one sub up as usual (the amp shouls have stickers hsowing which terminals to use for single channel) then wire up the other sub from No1 sub (i.e. positive to positive, neg to neg) this will run your system at 2 ohms, and theoretically double you RMS output (but be careful).
I did notice your subs are 250 W, but your amp is 600 W. If you go full pelt a lot, you could risk blowing subs!
Hope this helps gadge.
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AdiSRI
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Registered: 1st May 02
Location: Berkshire
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the box is already wired and has 2 sets of terminals on the side, each with a 4 ohm load.
And overpowering the subs by 50w aint gonna be a problem at all, much better than underpowering them.
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Rob B
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Registered: 8th Jan 04
Location: Area Motorsport Drives: Race EP3
User status: Offline
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its a 2 channel amp by the way,
600 w rms x 1 @ 4 Ohms
300 w rms x 2 @ 2 Ohms
150 w rms x 2 @ 4 Ohms
i think thats right.
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Ally
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Registered: 2nd Jul 03
Location: Pontypool Drives: a Skoda
User status: Offline
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Thats no good, you will be under running both subs by 100wRMS a piece.
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AdiSRI
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Registered: 1st May 02
Location: Berkshire
User status: Offline
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thats wat i told him
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Rob B
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Registered: 8th Jan 04
Location: Area Motorsport Drives: Race EP3
User status: Offline
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yeh cheers , i have got a mono amp on its way now 1 x 400 w rms @ 2 ohm's which should sort the subs out
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Richie
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Registered: 3rd Dec 02
Location: Newport, Wales
User status: Offline
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Still gonna be under running the subs each by 50wRMS, may not seem like a great amount but it will make a difference.....
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AdiSRI
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Registered: 1st May 02
Location: Berkshire
User status: Offline
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i told him this too, but he wont listen to me LOL
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Ally
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Registered: 2nd Jul 03
Location: Pontypool Drives: a Skoda
User status: Offline
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 men never do 
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AdiSRI
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Registered: 1st May 02
Location: Berkshire
User status: Offline
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thanks.....
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Rob B
Member
Registered: 8th Jan 04
Location: Area Motorsport Drives: Race EP3
User status: Offline
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oi oi , lol i did listen but its my first ever install and atleast im not getting a 10" sony sub and amp deal like what every1 else gets first
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