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Modifying Philharmonic 3 crossovers

Hi, everyone I'm new to modding so I'm going to need a bit of help. I have a pair of Philharmonic 3 speakers and I see that they have Claritycap PX capacitors and I'd like to  change them out with Claritycap's new CMR line up although I'm not sure how to start. I see that two of the capacitors are rated at 20uf & 250Vdc although there aren't any CMR caps that are rated at 20uf only 18 and 22uf and 400Vdc. I'd like to upgrade the capacitors although I'm not sure how I would proceed. I would very much appreciate advice on this topic. Thanks!
128x128jonny1080
erik_squires
16,051 posts
 
So long as you replace caps with new of equal or higher V that's usually fine.

100V is pretty high for most speakers, but a lot of film caps only come in 400V or higher. That's fine.
As for the 20uF, try an 18uF and 2.2uF in parallel.
erik_squires
16,051 posts
 
Just looked, there IS a 20uF model....

https://www.partsconnexion.com/CLARITY-82513.html
What is the cap used for in the circuit?
jonny1080's avatar
jonny1080 OP
11 posts
 
Wow, Thanks for finding the CMR 20uF model Erik, You're a life saver! I'll definitely make a note of the advice regarding the capacitor. I have a few more questions. I heard the CSA caps from claritycap sounds phenominal with bass. Would anyone say that there are better caps for bass than the Clarity CSA?
erik_squires
16,051 posts
 
Well, I don't know about bass. In the pass through, they tend to be a little dark.

However ... as shunts in a woofer, film caps absolutely rule, and CSA caps have a very nice price point. Several modders have been impressed by how changing the woofer caps improves.
Mind you, this is a dangerous place. If you are replacing an electrolytic you really need to know the ESR and compensate for changes.
erik_squires
16,051 posts
 
Please look at the sizes and weights though, CMR caps are effing huge and heavy! :)

Make sure to plan for that.
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