Many thanks. Those specs made finding replacement candidates MUCH easier.

Will order a few of each and see.
http://www.digikey.com/product-search/e ... 60-1603-nd
http://www.digikey.com/product-search/e ... -3lsby4&WT

Thanks so much for this thread. Timing could not be better! Found a ZX450ti for $20 at the local Goodwill. Works, but pots are very touchy, fan and caps need replacement. Already ordered some Elna Simic caps and plopped a Noctua fan in there I had. LEDs do not burn up that often, so I had suspicions...