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What might a good to great 20uF film/foil capacitor for a woofer.

I’m building Type B-2 crossover for Klipsch Cornwall’s. I’ve done a couple of pairs so far and they sound great. So much better than the stock B crossovers. I would like to build even better type B-2’s using different caps for the lower frequencies. I’ve come across some B-2 crossovers online for sale yet they use low-grade bobbin Inductor coils. I have been using 2.50mH 16 ga EQ Perfect Lay Hollow Air inductor coils by Erse, great coils, lately I haven’t been able to get them. The longest backorder time ever, several months now. I switched to Jantzen Audio’s Litz Wire Wax coils, offering 0,15 Ω | 3% | 15 awg. I have been using Jantzens Supreme Z 3uf, and 4uf capacitors and will continue using them. I like them better than Mundorfs Supreme S/O oil caps as good as they are. Too spendy for what you get compared to the Jantzen Supreme Z caps. I’ve been using Erse’s 20uf 400v caps. I would like to try something else (20uF caps) for the lower frequency. Any suggestions on good 20-22uF caps that would improve the lower frequencies and not cost a whole bunch? Thank you.

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Showing 1 response by petg60

petg60
1,486 posts
 

Tough question, have not tried it but my guess is why don’t you check Jantzen Standard Z cap, Clarity Cap ESA, Audyn cap Plus. Maybe more than enough for bass region but can handle extreme pulse, are low loss, and not so expensive for the required value.

Only the Jantzen comes in 400v, the other two in 630v but their values are in 22mf or 18 mf not 20mf.

You can check Humble Homemade HFi and HFi Collective for more info.

 

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