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Multi-Way Conventional loudspeakers with crossovers

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Old 3rd March 2007, 04:59 PM   #1
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Location: Berlin
Default Cerwin Vega D-7

Hi, I just got a pair of these on Craigslist. They sound amazing but I don't think the tone controls on the left speaker are working. The knobs feel scratchy and turn a lot easier than the right speaker's. The crossover looks OK (no busted caps) but I do see a few electrolytics. I was just wondering if anyone had experience recapping/tweaking the crossover. It also seems that the upper midrange driver on the same speaker isn't putting out much sound. Should I check for continuity, or is it more likely to be an issue with the crossover? Thanks!
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Old 3rd March 2007, 06:15 PM   #2
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The "knobs" may be damaged or may have a static build up. First thing you try is squirting some WD 40 in the back of the pot. Oops, did I say WD 40? I meant anti-static spray.

If that doesn't work do a resistance sweep and compare them.
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Old 3rd March 2007, 07:16 PM   #3
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OK, that sounds pretty doable. I anticipate rebuilding the whole crossover network in the future but for now I'd just like to enjoy them..
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