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Axel wrote:

I hope I got this right when going through this long thread with LOTS of information. Did you mention for upper-bass cross-overs Elko’s (electrolytic) only to be your preference? If I have it right, any special preference at all as to 'smooth' (Mundorf = Glatt) or 'rough' (Mundorf = Rau)?

I do not know what Elko is and I most likely was not talking about any upperbass crossovers but only about high-pass upperbass crossovers. You shall not worry about it as you do use horns but among certain types of upperbass horns the unloading unused bass is very beneficial and the capacitance volumes in there is very high. Also, I was not taking about any electrolytic but about the actively biased electrolytic

 http://www.GoodSoundClub.com/TreeItem.aspx?PostID=4067

..that in my experiments with upperbass horns any film caps. I did not try Mundorf. Well, I did 10 year back before the Mundorf become the high-end capacitor company. At that time Mundorf caps were dirt cheap and used by people in car audio. They were OK, the actively biased electrolytic (I use only commercial grade Nichicon) were better. Mind you that the channel did not care HF signal…

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