>Hello everybody,
>
>First, I'm looking for a good source in USA for 50 ohms non-inductive power
>resistors, the kind used in grounded-cathode tetrode PA. Max. power 50 or
>100W. To be used with a pair of GU74B (4CX800A) tetrodes.
>
>Second, I'd like to ask if somebody could let me know the component values
>of the tank circuit of Alpha 91b or other PA using a pair of 4CX800A (is it
>QRO or Command?). I realize that L values can be hard to get, but Tune and
>Load variable capacitors, along with the respective padders should have
>values on the schematic diagram. AG6K has a good spreadsheet to calculate
>those on his Web site, but I would like to have an independent confirmation.
>
>Any information will be appreciated. Thank you.
>
>By the way, the AMPS reflector seems pretty quiet these days. Why?
>
? Maybe because the amplifier "experts" abandoned ship. (p. 71, 9-94 *QST*).
cheers
Rich...
R. L. Measures, 805-386-3734, AG6K
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