2550w output with an L4B power supply is surprising. Makes one wonder if
that is actual power being generated or perhaps a bad rf load that lets the
power reading equal forward plus reflected power.
Maybe the other tube is not soft after all.
73,
Gerald K5GW
In a message dated 4/30/2013 7:58:09 A.M. Pacific Daylight Time,
k8leewmm@aol.com writes:
Gentlemen
I took a nice HB amp in that uses a pair of 3cx1200a7,s.
along with the amp came 3 3cx1200d7,s
My question is what are the SOFT tubes worth?
The pair of A7,s will produce 1200w out,with a drake L4hv supply.
1 of the D7,s will show 1400 out the other 2 550w
All the tubes work,they don't blow any thing up just SOFT!
your thoughts?
Wayne k8lee
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