Multimedia dock charger data

[marcovrv]

I've inherited a used multimedia dock but it came without the charger. ¿Can someone please post the volts, amps and plug polarity so I can find a replacement?

Thanks in advance.

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[andresrivas]

12 volts, 1.5 amp. I don't have a multimeter to check polarity, but this things usually have the negative on the outside

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