From a lot of work done analyzing Focals, if you have one, especially an older one, and want to improve the sound and maybe learn something, try upgrading the tweeter caps.
Usually this is 1 or 2 film caps in series with the tweet. I can recommend Mundorf MKP as well as Clarity CSA as being good improvements.
Of course, you probably wouldn't want to mess with your Utopias, but for the mid to low end, highly recommended.
If you going to do Xover caps a clarity CSA would be minimum I have found best bang for a higher end cap the German Audyn true Copper Max caps . Parts connecxion just started selling them I have used them in higher end builds, and recently put them in my new Lampizater dac , they are very natural with excellent resolution , very close to the Jupiter copper foil ,at half the cost . i compared them extensively.
I like Clarity a great deal and the Audyn Copper line a lot also. However in this particular case, I think you'd be amazed at how much better Mundorf MKP's are to Focal's default.
Still, yeah, Clarity and Audyn is better. Audyn, like all copper caps, are HUGE though.
well, yeah, I guess I could have gone with the Mundof EVO caps, but I wanted to try for the resolution of the Clarity CSA and I didn't want to spend as much on the EVO SGO.
Regarding the vast majority of speakers even at over $10 k many use capacitors which I consider substandard like Solen which are rated a 6 vs 15 for the worlds best Duelund cast caps for example. I upgrade my speakers always . If speaker company will give you the Upgrade options go for it .you can easily gains 15-20% better sounding Loudspeaker.
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