Stereo Raven

I had restored my AU-11000 and the only thing remaining was the power supply filter caps.  There are 4 10000uf, 63v screw terminal capacitors.  I could find a few on manufacturers sites but no venders selling them.  The ones I found available were $56 each plus shipping and the terminal spacing wasn’t correct but I am sure they could have been made to work.  The real thing stopping me was I had 2 Chemi-Con KMH capacitors of the correct value sitting in my drawer and 2 more could be bought for $10.  Then I remembered a few years ago considering rebuilding some multi-section capacitors for a tube amp I had.  It involves cutting the bottom off the can, removing the insides and replacing it with a new capacitor.  Since the new capacitors are smaller, they fit easily.  Here is what I did. Continue reading →