I just bought an adapter for my speakers so I can hook it up to my computer. The instructions with the adapter said I need to know the polarity of the speakers. are the LCW-0120 speakers negative or positive polarity
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Re: LCW-0120 Labtec speaker polarity
I am assuming that you already
know which wires go to which speaker and all you need to know is which
one is negative and which one is positive. Here is one way to find out.
If you can access the speakers at all or at least see the cones, it will be easy. Take
a small 1.5v battery and connect it to the wires in question, connect
one end to the positive(+) and the other to the negative (-) side of
the battery, don't do it for a long time, just enough to observe
movement on the speaker cones. Observe the cones of the speakers, if
the cones get pushed or moves out, take note of the polarity of the
battery because now you know which is which. Now if the cones, move
inward or it gets sucked in when you apply voltage, then it's
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6V DC 200 MA; plus shell, minus center pin aka, Panasonic AC Adapter Model No. RP-65A or equiv..
You want to make sure the plug at the speaker end is wired properly: + on the outer barrel and minus on the center pin (the adapter will have a little graphic for verification purposes). If so, your 500ma adapter should work fine. The voltage might be a little high but nothing the speakers cannot handle I would think.
The speakers may have a label that has the voltage printed on it. You can check the Bose WEB site for the specs of your model speakers. You need to know the polarity of the connector, if you get it wrong you could destroy your speakers. You may need to contact Bose support if the specs do not help you.
Should it be a power supply that outputs AC and converts to DC inside the speaker case, or is it a wall adapter the outputs DC straight to the built in amplifier? Some speakers have the voltage and polarity for the plug on the back of the speaker where the power lead plugs in. As they are only small speakers of probably a couple of watts it may only need about 2 Amps or less. Higher current is fine as the amp will only use what it needs to work correctly but I would'nt go below 2 Amps.
Hi there , You need to insert the Green Labled Cable from the Speakers into the green labeled Input jack in the Motherboard...Make sure you have installed your Drivers that came with your Sound Card or motherboard...Hope this helps bud Happy new Year
Speakers don't really have Polarity ... they have Phase. The audiophile wants the speaker cone acting in the same direction not opposite directions. So, watch your wire - one conductor will have a rib on it, the other smooth. You pick which you want to hook to the red or the + or what the mark is on your devices pick the other conductor for the other side, black or - or what ever matches.
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check whether the output plug is connected properly or not.... if it is then check out whether the adapter is giving the power output.... if it is then the speakers are spoilt otherwise u can just replace the adapter...