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Author wiring a 12v dc sub car vibe to mains (house power - 230v dc)
FAZ
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Registered: 24th Nov 07
Location: Coventry
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5th Sep 12 at 21:29   View Garage View User's Profile U2U Member Reply With Quote
can it be done? any links to equipment needed?

ideally to run off a laptop, so usb / headphone output

[Edited on 05-09-2012 by FAZ]
Gary
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5th Sep 12 at 21:34   View Garage View User's Profile U2U Member Reply With Quote
You'll need a high output 12v transformer tonpower the amp.

Your looking at fifty quid plus really for decent output
FAZ
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5th Sep 12 at 21:39   View Garage View User's Profile U2U Member Reply With Quote
:/hmm ok so something along the lines of -
http://www.towsure.com/product/Coolbox_Power_Supply_Transformer_230V_AC_to_12V_DC

im no uk ac mains electrician btw
Gary
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5th Sep 12 at 22:15   View Garage View User's Profile U2U Member Reply With Quote
That would work but not at any decent volume. What watt is your amp/sub rated at?
tom130691
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6th Sep 12 at 09:47   View Garage View User's Profile U2U Member Reply With Quote
FAZ
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6th Sep 12 at 14:17   View Garage View User's Profile U2U Member Reply With Quote
450 rms

1300 peak off the top of my head
Gary
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6th Sep 12 at 15:06   View Garage View User's Profile U2U Member Reply With Quote
@ rms wattage your drawing nearly 40 amp, your gonna need a hefty transformer to give you that sort of power.

your best bet is to use a 240v amp and use that to power your sub.
Johnjourno
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12th Sep 12 at 19:41   View User's Profile U2U Member Reply With Quote
I really wouldn't bother, as much as you might think it's cool, you'd be better off with a passive sub and using a designated amp with a crossover, or, replace the amp in your Vibe sub with a 240v amp from a stand alone home cinema sub

EG - I have a KEF PSW1000, buy one and swap the amp over to your Vibe (if it would fit)

 
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