[GMCnet] Need an Electronics education

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Larry Davick

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Dec 15, 2009, 4:10:38 PM12/15/09
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I've just ordered some replacement speakers for the front cap. They came with picture instructions (totally worthless) and two capacitors (my guess). The printing on the capacitor says that they are bipolar and rated at 50V 100uF.
I have no idea what they are for, but I'm guessing that they will block the lower frequencies, since these little 3.5 inch speakers won't be used as sub-woofers!
Anyone care to hold class and let me know what to do with these, or should I toss them?
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Larry Davick
The Mystery Machine
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Chris Choffat

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Dec 15, 2009, 5:02:09 PM12/15/09
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They are there as crossovers, as you thought. To block the bass. Polarity does not matter.

Capacitors block DC, which bass is very low freq, and close to a DC signal as far as the voice coil is concerned.

A place to start your edjumacayshun...

http://www.passivecrossovers.com/
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-Chr$: Perpetual SmartAss
77 Ex-Kingsley 455: The Engineer's Motorhome
Scottsdale, AZ

Larry Davick

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Dec 15, 2009, 6:32:38 PM12/15/09
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Good edumacayshun place!

Thanks,

Larry Davick
The Mystery Machine

John R. Lebetski

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Dec 15, 2009, 10:52:46 PM12/15/09
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If so you would wire them in series with the speaker to roll off the low freqs. Probably just provided to prevent overexcurding the small drivers with freqs below their usable range.
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John Lebetski
Chicago, IL
77 Eleganza II

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