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Hoffman Amps Forum image Author Topic: Do you "have to" burn in power capacitors  (Read 2543 times)

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Offline TerryD

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Do you "have to" burn in power capacitors
« on: December 20, 2011, 02:13:12 pm »
I have to recap my Sprague atom caps after only ...I think.. about 14 years.  Last time I did it, I made a homemade variac with an in line light bulb/lamp before the amp...I think?

Do you have to do this???  Alternatives??  What "should" I do?

Offline kagliostro

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Re: Do you "have to" burn in power capacitors
« Reply #1 on: December 20, 2011, 02:21:19 pm »
The use of a lamp limiter is a precaution against errors

and is better to use it, read here

http://www.el34world.com/Forum/index.php?topic=12885.0

---

maybe you remember something about reform electrolytic, but that is one other matter

http://www.vmars.org.uk/capacitor_reforming.htm

Kagliostro
The world is a nice place if there is health and there are friends

Offline HotBluePlates

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Re: Do you "have to" burn in power capacitors
« Reply #2 on: December 20, 2011, 04:41:23 pm »
As said, the lightbulb limiter is mostly about catching a wiring error.

I've never burned in caps in a new build. I've only used Gerald Weber's variac suggestion once with a cap replacement, and it conferred no benefit so I never did it again.

Offline LooseChange

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Re: Do you "have to" burn in power capacitors
« Reply #3 on: December 20, 2011, 05:30:39 pm »
I always use the limiter on first start up... I'll usually let it run for about 5 minutes checking all the voltages. Then it's full power and never going back.
Call me Dan
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Offline TerryD

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Re: Do you "have to" burn in power capacitors
« Reply #4 on: December 21, 2011, 11:24:52 am »
Thanks all!

 


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