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    Building, troubleshooting and testing of these amplifiers should only be
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    the safety precautions around high voltages.

Unknown vaccumtubes

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Hi

I bought some boxes full of tubes a couple of days ago and found some I cant find any complete info about.

These are the tubes:

P2020N - A goldcovered tube with five-pin socket

RENS1274 - Found some info about this but not much

RE114 - ???

UY2 - ???

UL11 - ???

RE084k - ???

Anyone has any datasheets for these?
 
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