Forums https://www.decware.com/cgi-bin/yabb22/YaBB.pl AUDIO FORUMS >> General Discussion and Support >> The SV 83 Test Bed: https://www.decware.com/cgi-bin/yabb22/YaBB.pl?num=1370614864 Message started by Mark on 06/07/13 at 15:21:03

Title: The SV 83 Test Bed: Post by Mark on 06/07/13 at 15:21:03 OK... So I've had my Zen Triode on at least 12 hrs. a day, every day, since early Sept. 2012... I figure a total of about 4000 hrs., since some days I had it on 16 hrs. I can't imagine a more rigorous test for these tubes, since I also turned them off when I went to bed... I popped in a new set [exactly same], and I did notice a certain lift in the definition... So I'm guessing that the 5000 hr. limit is practical. Note: OK, so you now know that I'm a recluse... (m.)

Title: Re: The SV 83 Test Bed: Post by Rivieraranch on 06/07/13 at 21:02:36 At that point they lose drive and punch. I had a pair with similar hours and switched it out for a pair of new 6P15P-EV and what a difference! Much livelier and strong.

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