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Tweaks for systems, rooms and Do It Yourself (DIY) help. FAQ.

RE: Input coupling caps as high-pass filter

Thanks for the encouraging answers!
Online calculator gives me a 7,96pF for a 400Hz -3dB point at 50k impedance.
I'm unsure about the calculator. Does this sound like the right value?
I guess if it is, I need to hunt for 8pF caps.
Would non-audiophile silver-mica 5% tolerance caps be worthwhile? Or do I need to aim at exotic vintage Russian rarities?

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