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Old 10-06-2012, 07:06 PM   #1
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Default Anyone have a 24volt setup?

Iv got a really nice, extremely loud air horn, but it needs 24v 3amps to run. I hooked up two batteries in series to test the horn but I don't want to install 2 more batteries in my truck. Does anyone have a 24 volt set up for something like this? How did you do it?
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Old 10-06-2012, 07:56 PM   #2
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Just get something like this:
http://www.ebay.com/itm/Waterproof-D...item43ae4f5722

12v-24v step up converter.

Much cheaper than a 2 battery set up.
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Old 10-06-2012, 08:35 PM   #3
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that looks like a great option but im not sure what the diff is between a step up converter and a step up transformer. and if the horn needs 3a do i need a converter that goes above that for the initial surge? im not to electronically savy
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Old 10-06-2012, 08:48 PM   #4
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Generally speaking, they're two words for the same thing.

It depends on if the 3a is the rated or peak draw. If you want to be safe, get a step up converter with a larger capacity
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Old 10-06-2012, 08:57 PM   #5
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that wont mess up the horn will it? something like this http://www.ebay.com/itm/DC-12V-to-24...#ht_3155wt_932
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Old 10-06-2012, 09:04 PM   #6
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The way amperage works is that a device will demand a certain amount of power in amps, and the power supply will either be able to meet it, or not.

Think of it in truck terms. Lets say you have a 4,000lb trailer. You can tow it with a Ranger, maxing it out; or you can tow it with a F350 and have plenty of power to spare. It doesn't hurt anything to have the extra capacity, you just dont need it.
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Old 10-06-2012, 09:34 PM   #7
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okay, i was thinking of it in terms of a bull dozer. if i have a high amp converter pushing into a lower amp device it will over power it.
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