[AMPS] 813 question

[measures]

>
>Is the input impedance of a pair of 813 tubes, grounded grid configuration,
>close enough to the magic 50 ohms to accept power from a modern exciter with
>simply a parallel low-Q circuit shunted from input to ground?  I sure hope I
>do not have to work up a pi-network for each of three bands.  

You don't -- unless you want it to work with ok solid-state radios.  

cheers, James.  

-  Rich..., 805.386.3734, www.vcnet.com/measures.  


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