Having problems with your Boston Acoustics BA745 Computer Speakers ?

Need polarity chart for ac power adapter 12v 2amp


Answers :

Almost without exception, the polarity of power packs is; the centre is positive (+) outside (-) In very rare cases the opposi=te is the case, but this means the outer contact is able to "short" on any metal it touches.
Repair Help & Product Troubleshooting for Boston Acoustics BA745 Computer Speakers

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Thanx for the advice


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Need polarity chart for ac power adapter 12v 2amp


Almost without exception, the polarity of power packs is; the centre is positive (+) outside (-) In very rare cases the opposi=te is the case, but this means the outer contact is able to "short" on any metal it touches. ... Boston Acoustics BA745 Computer Speakers

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According to several sites this monitor needs a 12-volt 4-amp adapter. Virtually every laptop that uses a coaxial power plug has the center pin positive and the outside shell ground. A Google search for "ct1810 replacement adapter" turned up several ... PC Desktops

I have a KDS 15" LCD monitor. It has not plug and on the specification plaque on the bottom says 12V 2Amp power source. I have a plug with an output of 12V 2000MA but both are female and the power supply has the negative polarity on the outter part of the plug. So does it matter what the polarity is on the monitor and is 2amps the same as 2000 milli amps? Assuming I can find an adapter.


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Video upload.... I uploaded a video with everything I think you needed to FINALLY help me get these speakers connected. Hopefully it helps. I showed the back and all like you asked. Thanks....


Well, the connector that comes from the 2nd speaker goes into the speaker port in the back of the first speaker.\015\012\015\012The wierd cord possibly fits into the 12v dc slot in the back.. and the other end would go to a power adapter. ... HP JBL Platinum Computer Speakers

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I know what you're trying to do, and I don't recommend it. I've done some splicing, and had a few that burned up the machine, so I recommend buying a new power supply. Check Ebay, you can generally find one at a reasonable price. Here check this link ... EliteGroup ECS A535 Notebook

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Make sure that you got 12v 1.0 A adapter. Not .01 A. They have one at newegg.com atrix DVCPA1AA power adapter-12v 1.0 A. you should not need drivers for speakers. Make sure you got it pluged into right port if you got the adapter. Also make sure un ... HP JBL Platinum Computer Speakers

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I have a Toshiba Satellite Laptop Model A15-S129 - The unit shut down and never would restart. I Checked the AC Adapter and it has no DC output voltage. I do have a 15VDC 2A Adapter connected to it now, the little yellow light in the front blinks on and off but when I press the Power On Button nothing happens. The Original Power adapter is rated 15VDC @ 5A - I am trying to avoid buying another Power Adapter if I am having a computer problem that might blow a new adapter. Please help, Jim


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Hi, the mA rating for this power adapter is 1500 mA !! I'm gonna give you all the specs. you need to order a new one, and I'm gonna tell you where you can order a new one at; at your preference ?POWER SUPPLY/POWER ADAPTER TRANSFORMER FOR:(WAL ... Boston Acoustics MicroMedia Computer Speakers
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