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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: Capacitor upgrade with higher voltage rating. posted by Duster on July 16, 2018 at 15:36:24:
There is nothing inherently wrong with replacing caps with a higher rated voltage, but my opinion is going from a 16V electrolytic cap to a 50V electro cap is too much. I would normally limit a replacement to a 25V cap, if I felt that the same rated cap could use an upgrade in spec.Electrolytic Capacitors need to charge near their rated voltage. 50V is safe, obviously, but too far away from the voltage the circuit will see, especially if the 16V cap already has a generous safety margin built in, and from your description, it seems it does (9V DC).
You can substitute higher voltage caps (assuming you have the room, and the budget) with film types in many circuits or passive devices (X-overs) but electrolytics as they are generally used in active circuits like power supplies or amplifier circuits is a different application.
I would spend more time choosing a higher temperature rated cap, as electrolytic cap life is very closely tied to temperature. A 5 degree C reduction can double the cap's life. So changing a 16V 85C electrolytic for a 16V 105C electrolytic would offer greater benefits in my opinion.
As always, it's circuit and application-dependent.
There are definitely sonic differences in capacitors, so choosing the manufacturer and type (both are important) I would leave to you, Duster. But see if you can find something in a higher temperature rated 16V cap with your preferred type. If you can find a genuine trustworthy source, they even made Black Gates in the values that would be appropriate, IMHO.
Edits: 10/23/18 10/23/18 10/23/18 10/23/18 10/23/18 10/23/18
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Follow Ups
- RE: Capacitor upgrade with higher voltage rating. - gordguide 00:51:13 10/23/18 (0)
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