• WARNING: Tube/Valve amplifiers use potentially LETHAL HIGH VOLTAGES.
    Building, troubleshooting and testing of these amplifiers should only be
    performed by someone who is thoroughly familiar with
    the safety precautions around high voltages.

Question about PIV rating of diodes...

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mr mojo

Member
Joined 2005
Hey Kevin,

Here's a link to the wire I used:

http://www.radiodaze.com/wire-600.htm

Good stuff!

Here's a link to a previous post with more pix of the amp if you're curious:

http://www.diyaudio.com/forums/showthread.php?s=&threadid=64164&perpage=10&pagenumber=1

Hope you don't think I'm just fishing for compliments-I am proud of it; especially since it's my first and a huge project right out of the gate-but I just enjoy sharing it with like-minded folks. Not a whole lotta guys doing this kind of thing in Des Moines Iowa...;)

And I sure appreciate the help-I keep reading my books, asking questions and hoping someday it'll all make some kind of sense!

Best,
mr mojo
 
T

Tweeker

Member
Joined 2004
It isnt strictly film vs foil that the matter hinges on. A generic foil cap will do better than a generic metallized cap. However, there are some metallized film and hybrid capacitors that will handle as much or more current than foil types, and have self healing properties. The build is much heavier than typical capacitors. These capacitors are mostly used in IGBT snubbers and the like. Be sure to check current and pulse ratings.

The capacitors I listed are popular choices in particularly brutal high current hobbyist applications too, often run at RMS AC= 70% VDC rating.
 
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