DIYbanter - Power connection polarity for JBL Platinum PC spkrs??

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LB	April 27th 05 06:11 PM

Power connection polarity for JBL Platinum PC spkrs??

I have pr JBL Platinum PC speakers but no power supply. Power conn shows
12.0 volts, 1.0 amp.

No polarity shown for barrel connector. Which one is +? Inside or barrel?

LB

Franc Zabkar

April 27th 05 10:45 PM

On Wed, 27 Apr 2005 12:11:34 -0500, "LB" lb put finger to keyboard
and composed:

I have pr JBL Platinum PC speakers but no power supply. Power conn shows
12.0 volts, 1.0 amp.

No polarity shown for barrel connector. Which one is +? Inside or barrel?

Open up the speaker and look for a filter capacitor. The polarity of
the cap should tell you what you need to know.

- Franc Zabkar
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