Spehro Pefhany wrote

.>The rated life is usually only 2-3K hours for the
> cheaper caps, which is only a few months of 24/7 operation-- not
> acceptable in most applications, so derating is virtually always required.

Yes I saw that while I was looking for replacements and worked out at 8 
hours a day they should only last about a year, so to get 7 years was 
probably pretty good.


> And there's no free lunch, if you can find caps rated at 5,000 hours or
> more they will usually be a lot bigger as well as maybe 10-15dB more
> expensive.


And thats a problem because there is no spare space now. They are crammed 
side by side already. Looks like I'd better hope the ones I fitted were a 
good choice and last at least as long as the originals. Thanks.

Regards,  Roger 

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