When I was a kid, I can the vacuum tube tester at the local Radio Shack.  It 
was as self-service machine with a bunch of tube sockets on the top.  

My parents had an old David Bogen pre-amp with tubes (as part of a mono system) 
and I used to find it frustrating to wait for the thing to warm up.  I now 
experience similar frustration every workday when I restart or shutdown my 
work-issued Windows laptop.

Scott




________________________________
From: Roger D. Parish <[email protected]>


I'm surprised that vacuum tubes are still being manufactured! I know 
people collect them from going to estate auctions.




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