Mot Posted August 10, 2014 Report Share Posted August 10, 2014 I am two years into my love affair with my restored Model Eight! I was able to do much of the restoration myself with the kind assistance of Kent! I benefited directly from Kent's vast knowledge and generous nature... Thank You Kent!My questions for @JKent and other KLH experts is... Has anyone used an inrush current limiter (ie. CL80) in a KLH Model Eight? Would this addition be helpful as a way to extend the life of the on/off switch?Many Thanks! Link to comment Share on other sites More sharing options...
JKent Posted August 10, 2014 Report Share Posted August 10, 2014 Hey MotThanks for the kind words and I'm glad you're enjoying the Eight.First a disclaimer: I'm a retired guy with absolutely no technical training. I'm indebted to CSP member John O'Hanlon and my favorite audio technician, Tim Schwartz, for anything I've learned about electronic circuits.I don't know about inrush current limiters but I can tell you that several years ago John sent me a replacement on/off switch along with an "arc suppressor." This was a small value capacitor, about 0.047uF. But a word of warning: The cap MUST MUST MUST be rated for 250 volts AC. I address this in the latest version of my restoration manual, which I hope to have up on this site soon: http://www.classicspeakerpages.net/IP.Board/index.php?showtopic=6387Trouble is, it's way too big so I have to get Gene to work his magic on it and compress the file size.FWIW, I now use type “X1/Y2 safety cap” for this purpose. Here's an explanation: http://www.justradios.com/safetytips.htmlThe attached photo shows a replacement on/off switch with a blue disc safety cap across the 2 poles. This shot also shows several other upgrades to this "Rev A" Model Eight": Addition of a fuse, new 4-part can cap with new resistors and diode, replacement of old paper caps with new yellow axial caps or blue or orange gum drops, a few new metal oxide resistors.If you want an advance copy of version 5 of my booklet send me a PM with your email address.Kent Link to comment Share on other sites More sharing options...
Mot Posted August 13, 2014 Author Report Share Posted August 13, 2014 Kent, Thank you for the kind offer. A PM has been sent. Link to comment Share on other sites More sharing options...
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