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Tweakers' Asylum Tweaks for systems, rooms and Do It Yourself (DIY) help. FAQ. |
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Tweakers' Asylum Tweaks for systems, rooms and Do It Yourself (DIY) help. FAQ. |
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In Reply to: Favorite Silmic II film bypass? Size & Sonics? posted by Barry on December 19, 2016 at 09:05:57:
The size of the bypass capacitor should ideally be based upon the total value of the electrolytic capacitance. I tend to follow the "rule" set out by Morgan Jones in his books on amplifier design, which is to use a value of film capacitor that is about 1% of the total capacitance. For example, for 100uF ELNA Silmic, I would use 1uF, but I might then bypass that with .01uF. (By the way, I like Silmics, too.)
Now, if you are asking the bypass capacitor to dominate the "color" of the sound, as you suggest, then you might need a bigger bypass capacitor (i.e., >>1% of the total), which would be able to operate lower in the audio spectrum. For me, this runs the risk of getting the worst of both worlds, a sonic mishmash. The reason I use Silmics when possible, as opposed to other brands of lytic, (lowish voltage ratings are a limitation) is because I like or can tolerate the basic "sound" of a Silmic, in which case a very large film cap bypass is not necessary or should not be necessary.
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Follow Ups
- RE: Favorite Silmic II film bypass? Size & Sonics? - Lew 10:57:29 12/19/16 (0)
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