In a message dated 7/24/2007 10:08:57 P.M. Eastern Daylight Time,
PlanerGuy@aol.com writes:
Or is my premise incorrect, and ALL Chinese tubes are junk?
Kevin
Kevin, I have been buying and using RF Parts 3-500Z tubes for the last 7
years in my SB-220 6 meter conversions. Must have bought 20 sets of them and
never had a problem. They are stable and make as much output on 6 meters as
they do on 80 meters. Don't know the long run on them, but they do perform
well. In an SB-220 it is really hard to kill 3-500's because they really
don't
run them up all the way. the average SB-220 does about 1100 to 1200 watts
out with 100 in. They can do 25% more output as shown by Henry and Ameritron,
so in an SB-220 they last along time. Many SB-220's still have original
tubes still making maximum power output. Lou
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