that linear power is worth gold man
the company has shuts its doors for a few years, and all the older amps are going for prime money on ebay. Id either pay the cash to get it fixed,and sell it (youll double your money easy) and or sell it broken--youll get $100 or so out of it
go do a search on linear power on ebay complete listings and active youll see
there are tons of amps out, what power do you need at what ohm, mabe I can help out more