rogue audio m150 owners


I have rogue audio m150 monos that are a little over a year old , today I measured my power tubes on a tube tester and I was suprised that my tubes were barely testing "good" . they seemed to have lost most of there power. the tubes are EH kt88s . is this normal ? how many hours is average for this type of tube ? I am new to the world of tubes and I thought I would get 3-5000 hours of good use before needed replacement. Also, have any m150 owners tried any different brands of tubes? Is there one that stands out from the others? please help ! thanks and happy listening!
chrissain

Showing 2 responses by cyclonicman

Chrissain- Tube testers are notorious for being out of calibration which would give you the wrong readings. If you are confident that your tube tester is up to snuff than just ignore this. You might consider testing a brand new tube to see what reading you get on your tester.
Chrissain, when I had my Rogue Stereo 90, I switched from EH KT88's to SED KT88's. While the EH is a good sounding tube, I think the SED betters it from top to bottom and especially in the midrange. They are also more expensive than the EH KT88's I have also tried Svetlana's but preferred the SED's overall.