As long as the bias is ok.If it is not auto biasing,keep an eye on it(the bias).Once the new set breaks in there shouldn't be any difference between the pair if they were made the same.After break in,the 30 hour difference won't matter.
Tube matching: 30 hours vs 0
This should be a pretty simple question. If I knew anyone to call for the answer I would.
I have a Cary amp that takes 4 power tubes. Recently, one blew out so I replaced that one and the one next to it with a matched pair. I've determined that it would be better to replace all 4, so I've ordered another pair that matches the first new pair.
While i wait for the second pair to arrive, i've got the first new pair and the old pair in the amp. I would like to play the amp and listen to music, but am wondering/concerned if putting some hours on the new tubes will degrade them enough so that they will not be matched to the second pair when they arrive.
I estimate I will put around 30 hours total on the first new pair before the second pair arrives. Is this significant? or can i safely fire it up and listen to some tunes while i wait? Thanks all..
I have a Cary amp that takes 4 power tubes. Recently, one blew out so I replaced that one and the one next to it with a matched pair. I've determined that it would be better to replace all 4, so I've ordered another pair that matches the first new pair.
While i wait for the second pair to arrive, i've got the first new pair and the old pair in the amp. I would like to play the amp and listen to music, but am wondering/concerned if putting some hours on the new tubes will degrade them enough so that they will not be matched to the second pair when they arrive.
I estimate I will put around 30 hours total on the first new pair before the second pair arrives. Is this significant? or can i safely fire it up and listen to some tunes while i wait? Thanks all..