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#1
Posted to rec.audio.tubes
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fa tubes tester from drug store
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#2
Posted to rec.audio.tubes
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fa tubes tester from drug store
hydebee wrote: http://cgi.ebay.com/tube-tester-u-te...QQcmdZViewItem Oh my God memories of childhood. When I was a wee lad of 10 years old, my dad would send me walking to the drugstore with a bag of tubes from the TV (which was always on the fritz), and 3 dollars. He'd say, "go test em and buy the one that's bad". When I returned he'd replace them all, spray the tuner till it dripped, swear a lot, move the antenna a lot, etc. Fun stuff for me in those days. These days we just throw out the TV and buy a new one. The cabinet speaker area always had a stack of tube boxes in it with phrases like "might still be good" written on them. That was an Admiral console around 1965. We also had a Magnavox "portable" in the kitchen that used to explode 5U4 low voltage rectifiers a lot, we just replaced them until it exploded again. What would cause a 5u4 to pop it's glass, upon power up? A defective job lot from the factory? |
#3
Posted to rec.audio.tubes
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fa tubes tester from drug store
"RickH" said:
What would cause a 5u4 to pop it's glass, upon power up? A defective job lot from the factory? Possibly. Might be a faulty electrolytic at the cathode as well. -- - Never argue with idiots, they drag you down their level and beat you with experience. - |
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