Quote:
Originally Posted by Electronic M
Prone might be a bit harsh. My daily driver sets usually only need tubes replaced every couple of years or more, and usually it's the horizontal output or some other high power tube. Signal tubes seem to be rather long lived.
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I cannot TELL you how many old sets I have seen with most of the power tubes (horiz, vert, video HV rect and audio outs) ALL original, particularly BW "tin can Zenith sets". LV rect tubes--(5u4, 3dg4, etc) NOT as often..