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TUBES

Hello 1&All i  have not had any tube equipment since the 90s with that said i just upgraded my PreAmp  with a  NAT - Symmelical  All Tube PreAmp just purchased on Audiogon  not knowing  the age of this unit or who manny hours  i have been playin since 10;00am when it arrived till 6;00pm i am very happy with this preAmp Replacing  my Plinius 16 which now goes  4 sale soon asking 1.400 .00  any way i need advise on buying / replacing  all the tubes such as 6n30p-dr ,6n2p-ev,6n1p-vi , 6x4wa, oA2Wa Looking for Really good QTLY Tubes any Help PLEASE & thank you G
geleary123

Showing 2 responses by ghdprentice

ghdprentice
6,445 posts
 
Also, channels need to matched… so pairs, quads, need to be matched. There is a small charge to make sure the output is matched.
ghdprentice
6,445 posts
 
Elliot is correct. These tubes are small, they last multiple thousands of hours. Particularly when you first get into tubes it is a little disconcerting. It is power amps that have shorter a tube life. But with modern equipment even these are getting longer. It is likely you will not face any tube problems soon. Personally, I would either not worry about it and just order a full complement if something fails or order a full complement and put in the closet. I have quite a pile of tubes I ordered just in case and traded the equipment before a tube went out. 
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