[HBR] HBR-11 IF xformer critcal coupling?

WA5VGO hbrnut at suddenlink.net
Mon Mar 23 18:02:33 EDT 2009


Ted pretty much sums it up in his article. If you plan on using the 
receiver on the higher frequency bands, especially 15 and 10 meters, it 
makes a big difference. On 20 meters it helps somewhat, and on 80 and 40 
meters it makes little if any difference.

73,
Darrell, WA5VGO



>By the way, there was
>an April '64 QST article in which Crosby suggests replacing
>the
>existing HBR-11 oscillator triode section with an additional 6BH6 tube.
>
>I think I may have just enough room to squeeze in another
>tube (vertically).
>
>Would you know if this is a worthwhile
>addition?


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