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Newbie question. Where to start? |
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Majestic 
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Joined: 16 March 2011 Location: Durham Status: Offline Points: 305 |
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 Topic: Newbie question. Where to start?Posted: 14 January 2012 at 11:11am |
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This will be my first build of a 12v system.
I'm using a leisure battery to power 3 amplifiers, one for sub, one for mids and one for tops. Not sure how to start wiring this thing up. What can you guys recommend for connecting 3 amplifiers, a crossover and stereo to one battery? Should i make a little fuse box? Also, on the amplifiers there is only one battery connection, the others are remote and ground. How should i connect positive and negative terminals of the battery? Thanks in advance!
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Falun Dafa Hao!
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portapartyman
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Joined: 19 April 2010 Location: Norfolk Status: Offline Points: 135 |
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Posted: 20 January 2012 at 11:05am |
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67 views and no-ones helped you!!!
I'll just quickly skip over this. GND = Negative Remote = positive feed for switching on eg. you can fit a switch from positive to remote to switch amps on and off Fuses - if the amps are fused there's no need to fuse them again although you could fit a large fuse for the whole system at the battery to protect everything in the event of positive and gnd coming in contact (this shouldn't happen with sensible cable runs) 3 amps and one Battery. In my opinion that sounds like it wont last very long! I would personally use one amp and crossover passively but others on here may think differently. By all means crossing over seperatley will get a much better sound but with one battery you're not gonna get many hours out of it!! Hope this helps |
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4 Wheels, 2 Decks, 1 mixer and 12 Volts. The Porta Party entertaining festival crowds since 2007 www.theportaparty.co.uk
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Majestic
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Joined: 16 March 2011 Location: Durham Status: Offline Points: 305 |
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Posted: 20 January 2012 at 2:55pm |
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Thanks alot
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Falun Dafa Hao!
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MessTek
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Joined: 27 January 2012 Location: andover hants Status: Offline Points: 67 |
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Posted: 31 January 2012 at 3:30pm |
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im at work at the mo but ive done nearly what you are talking about nearly but with two speakers once i get home il set it up and post a quick snap, once you see how to wire it its obvs and your never forget it,
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rich_gale
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Joined: 18 February 2008 Status: Offline Points: 2662 |
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Posted: 31 January 2012 at 4:43pm |
it might be worth looking at a passive crossover for your mid/high point, instead of using 3 amps you can then use just 2. car amps use a lot of idle current (sometimes more than 1A per amplifier). certainly add a fuse near the (+) battery terminal! maybe put some spade connectors onto the ends of your power wires so you can daisy chain the amps. finally, if your amps have built in high/low pass filters see if you can use them instead of adding an active crossover.
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REFLEX ALL THE WAY.... (however, im playing with horns again...) That ok Mister Valiant? :)
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Majestic wrote: