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RE: Question about recapping a Dynaco ST70

Just a guess here - it may be that the 30uF is used in front because it has a higher AC current capability. Using the 20uF may save the tube but cause the capacitor to die early. The tube is more easily replaced, and has a less messy failure mode!

Here's another possibility worth remembering - we may know things now that were not known 50 years ago, but it's also possible that the designers of vintage gear knew things that none of us on this forum know. If you can't see why something was done, there was still probably a reason.


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  • RE: Question about recapping a Dynaco ST70 - Paul Joppa 17:03:37 07/10/14 (0)

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