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I see this is a paper cone. Is there any coating on it? C37 lacquer
Used this on my untreated paper cone F-R. Figured I had nothing to loose as the breakups made it un-listenable. Had it shipped from Austria.
Put on 1 coat and still harsh. So took a chance and put on a second coat as Dieter recommended and sound was good. Subjectively, I think prefer it over Nextel as it is lighter in weight and more beautiful tone to it. Although I would had to hear side by side, before and after, to say for sure.
You can coat most anything with it. Except for tubes. Haven’t tried the C37 lacquer ear drops yet, haha. (that is a joke)
Evaporation is a problem and even though I stored it in its original container in the refrigerator, it still evaporated.