Question about Coby 2.1 Channel Amplified Speaker System Computer Speakers

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I lost power adaptor , needs rating for power supply to speaker

Code; 10225045

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Go to radio Shack thye tend to carry a varity of AC adapters or in amazo. Make sure you get the correct voltage and amp for the speakers.

Posted on Jun 03, 2009

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Posted on Jan 02, 2017

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There is no power supply passing into the device. the green led is not at all lit. the volume controller does not show green light. i feel that the power supply is not getting into the device pls help


Get a multimeter and check its output voltage. it must give 11.5V AC as output. The current output in the multimeter must be 1.6 A .If it is not giving the output, your AC Adaptor has gone bad. there are 4 screws on the adaptor which you can open and inside you will find a single step down transformer. of rating 11.5V AC 111600mA(That is 1.6A) Aand 18.4VA rating. You can try to repair it at a transformer rewinding shop(IF HE DOES IT PROPERLY). or, try to get a new AC ADAPTOR OF THE SAME RATING.

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I brought pair of Dell A215 speakers w/o power source. I tried several power supply cords that fit the outlet. They won't work. Do I need to buy a SPECIFIC power supply cord? Is there such a thing as a...


Don't just randomly plug power supply's in; check and see what it needs.
It should be printed somewhere on the device how many DC volts it needs.
If it needs 9volts, get a 9volt power supply.
If you don't have a power supply the same size as it needs, order one off of Amazon, or eBay.
-Forest

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What voltage are the koss 'older' computer/CD speakers that would take 3 'C' batteries each. I have a variable voltage adapter and am not sure if I should switch it to 9 volt or another setting for AC...


C cells are 1.5 volts each. If the speakers use three of them that means you'll need a 4.5 volt supply. If each speaker needs batteries, you'll need to feed that voltage to each speaker, and the supply should have enough current for the total load. A 1-amp rating is probably fine.

Dec 24, 2010 | Koss HD 50 Computer Speakers

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I lost my GE Ultrasonic 2.1 Speaker power adapter and i need need ones but i dont know what to buy, the voltage it requires..6 or 9 volts?


at most electrical stores you can buy a universal power adaptors with a selection of socents to fit most connections. and which has a selector on it for various voltages settings.
take one of the little connectors and see which one fits. then checking the polarity on your device set the polarity the same when plugging the connector into the power supply cable. adjust voltage as needed.

Warning: when connecting a variable power adaptor alway connect on the lowest voltage setting and work up as too high voltage can distroy your appliance.

Nov 13, 2009 | GE Ultrasonic 2.1 Speaker

1 Answer

I need the power adaptor but harman kardon site is out of stock


we are not a parts provider, but Radio Shack makes universal power adapters that should work.

Sep 27, 2009 | Harman Kardon Harmon Kardon SoundStick II...

2 Answers

Power supply


dear gmonsta

u can buy a 12 volte 1 amp power adaptor....

and normaly on all computer speakers supply requirements are alrady given as instruction....at back side of u r speaker...

for more information on this topic u can mail me too sigma_shiva1@rediff.com
sir
if u r problemis solved then let me know by VOTING me.....
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Nov 12, 2007 | Audio Players & Recorders

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