>
>
>>rapid band switching and tuning are not the priority, though output
>>power is. I have looked at the Henry 8K, but I do not want to keep my
>>SB 221 to drive it. Command claims full output with 80 to 90 watts
>>drive.
>
>With around 13 dB gain, your 100 or so watt barefoot transceiver will
>get the legal 1500 watts out from the 8K. And the tube in the 8K will
>be cool, calm, and last you the rest of your life time!! Everything
>in the 8K is super conservative for legal limit RTTY, etc other high
>duty modes. You certainly do not need to hang onto your SB221
>to run 1500 out.
>
>In fact, with 100 watts into the 8K, and it's 13 dB gain, you will
>get out around 2000 watts, so better cut the drive in back until
>the Bird in the 8K reads no more than 1500 out with the key down,
>SSB peaks.
However, the tank of the Henry 8k is designed for a much lower RL --
i.e., the tank is designed for 2.5a of anode current. In order to
produce this much anode current, c. 400w of drive is needed.
>......
- later, Jim
Rich...
R. L. Measures, 805-386-3734, AG6K, www.vcnet.com/measures
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