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First recap attempt

opossumcrush

opossumcrush

The Central Scrutinizer
I'm going to try to recap a pair of Calrad, Compact 1 speakers. Looks simple enough. But I can't find out anything about the cap. Can anybody tell me what it is and where to get it? They sound good I'm hoping they will sound better.
Thanks
 
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Looks like 4uf, 25V, non-polar, axial leads. Parts Express is where I would look.
 
Yup, though it's labelled a little different than your average cap, it looks like 4uf/25v to me. A modern equivalent is a 4.7uf/50v. Or, you can take two 2.2uf/50v caps and run them in parallel to get closer to the original 4uf value.
 
Careful with the heat on those solder tabs.

For the novice i'd recommend snipping the old leads right at the old cap and soldering to those.

If you overheat the tabs on the drivers themselves you risk freeing a tinsel lead or tweeter lead in turning a good day bad in a hurry.
 
Sam Cogley said:
Don't worry about the voltage, just worry about the capacitance.

This is what I would use:
http://www.parts-express.com/dayton-audio-dmpc-40-40uf-250v-polypropylene-capacitor--027-421

This would also work:
http://www.parts-express.com/40uf-100v-electrolytic-non-polarized-crossover-capacitor--027-330

I'd go for the film caps. They're not as cheap as the NP electrolytics, but they're still cheap.
Click to expand...

Those are both good choices. 4.0uf isn't as common to find in your local radio shack as a 4.7uf cap is, so an online order might be the best option for an exact replacement.
 
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