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Topic: Re: Using speakers with a device which is recharging
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| ss55
12-24-2012 10:46:37
173.31.19.80
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It should work with everything powered and recharging from the MP3 player, but it could tax the MP3 players power supply. Try it and see how it works. If you want all the components to recharge faster or if you are concerned about overloading the power supply in your MP3 player, you could use an inexpensive externally powered USB hub to recharge/power just you add-on components. The MP3 player would still run and recharge from it's own power supply, but the speakers would run and recharge on the hub's power. I've had to do that with an older computer that had a small power supply and a power hungry TV video card. Externally powered hubs only cost $10 to $20.
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| Stan in Oly, WA
12-24-2012 11:13:47
174.31.203.167
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Re: Using speakers with a device which is recharging in reply to ss55, 12-24-2012 10:46:37
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| | Thanks. I'm getting lots of good information about this situation, but so far nobody has addressed the specific question I'm asking. (Well, maybe MarkB has and it was too technical for me to recognize that he had answered it---I'm working on that.) The question is, could it hurt the speakers to play them when the MP3 player is plugged in in its recharging mode, taking into consideration that the speakers don't recharge through the MP3 player? They recharge by being plugged into a powered USB outlet, which the MP3 player does not have. Stan
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| MarkB_MI
12-24-2012 19:04:52
75.198.106.214
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Re: Using speakers with a device which is recharging in reply to Stan in Oly, WA, 12-24-2012 11:13:47
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| | Stan, Assuming there's no issue with sourcing enough current to charge and operate both devices, then I think the only concern would be a voltage difference between the ground references of the two devices. These days, engineers know to watch out for these sorts of problems and design interfaces that isolate ground references between devices. I don't think there's anything to worry about.
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