This special natural Mica based capacitor is used in highest quality crossover, parallel to the tweeter capacitor in order to increase the sound quality even more. Due to the low value of 0,01uF it won't affect the crossover data. Mount them parallel to the signal leading capacitor(s).
We also reccommend to use them over the supply capacitors in highest class amplifiers where the quailty of high frequencies will increase, of course only if the rest of the chain is also capable to reproduce it.
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