Classic Aragon 8008 BB Amplifiers

How many 8008BB amps still in operation?
mine is still use since 1992 with a few tweaks 
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Authorized Service Center for Aragon Amps in Holland, MI
I still have my 8008bb. It was in the shop last year for a 'runaway bias issue'.  Other than that, has been a staple in my main system for over 15 years.