12 volt boombox cigarette power cord help - AVS Forum | Home Theater Discussions And Reviews
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post #1 of 9 Old 06-07-2015, 05:57 AM - Thread Starter
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12 volt boombox cigarette power cord help

I lost my 12 volt power cord cigarette power cord , and I was wondering if anyone knew the specs on it. To replace it, they want almost $30. I'm sure there must be a cheaper off shore one I could find someplace . Thanks
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post #2 of 9 Old 06-08-2015, 08:07 PM
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Gonna need more info than that. WHAT boombox? Model number, please. Once you have that, search Amazon or Monoprice using the model number, "12v" and "power cord."

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post #3 of 9 Old 06-09-2015, 07:32 AM
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Quote:
Originally Posted by Leeboy View Post
I lost my 12 volt power cord cigarette power cord , and I was wondering if anyone knew the specs on it. To replace it, they want almost $30. I'm sure there must be a cheaper off shore one I could find someplace . Thanks
Very likely, on the back of the boombox, there is a sticker or embossed plastic detailing the details of the power requirement.

The four things you need to line up are:
- size of power adapter (I don't know official sizes and usually it's just a "does it fit" sort of thing)
- voltage, which you know: 12V
- amperage, which should be printed on the sticker/plastic. You need AT LEAST that amount of amperage delivered by the power source
- polarity - which should be printed on the sticker/plastic. Normally the inside is positive but it's not guaranteed.
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post #4 of 9 Old 06-13-2015, 07:42 AM - Thread Starter
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Hi Gang, all the back says is DC power and the model number is SUBX1C
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post #5 of 9 Old 06-13-2015, 07:47 AM
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google is your friend (when it isn't spying on you)

http://www.less4gadget.com/replaceme...y-p-27126.html

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post #6 of 9 Old 06-13-2015, 07:51 AM
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Except that the OP wants the car cord for the boombox. At ten bucks, it's a far better deal than trying to make one.

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post #7 of 9 Old 06-14-2015, 08:47 AM - Thread Starter
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$10 works perfect , thanks for the find
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post #8 of 9 Old 06-15-2015, 07:54 AM
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I wasn't saying make one. I was just saying that you'd need to know the specs to get a suitable replacement.
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post #9 of 9 Old 06-29-2015, 11:38 AM
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You should always check the "output" Voltage (and mA rate) of your replacement power supply as so many Radio's, GPS' etc. now operate at 5 or 6 Volts and connecting them straight to your auto's 12 Volt system will surely fry them. They will usually incorporate protection from reverse polarity, but not over-voltage.

The cigarette liter plugs for my SkyFi and GPS had 'transformers' inside them to convert the 12 Volts input into the lower voltage output necessary. A six volt (input) SkyFi works fine on the 5 Volts DC output from a USB one amp or greater power Jack.

I was further able to find (in auto's fuse-box) circuits which remained 'hot' for 20-30 minutes after the car was shut off, this was handy for gas stops etc. enabling continuing trip without re-initiating GPS or for having the XM play on while unloading the car. I just soldered wires from the +/- of cig plug to the "Add-a-Circuit" or "mini-Add-a-Circuit's" sold at Auto-Parts in their Auto Fuse display's, which just insert into fuse receptacles and add a fuse and + connections.
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