Globe King 500 Question

john johnmb at NC.RR.COM
Fri Jun 6 06:44:13 EDT 2003


Hi George,

I'd second what Garey reports....my 500C pegs right at 325 watts
loaded to spec.

73
John K5MO



At 11:35 PM 6/5/03 -0400, Garey Barrell wrote:
>
>George -
>
>A Globe King should put out about 325 W at 330 mA Plate current on
>80M.  I have heard people claim 400W, but I suspect wattmeter problems
>there!  I have also heard that a particular brand of 4-250 (I think
>the old [real] Amperex, but not sure) would put out 350-375, but I
>have never actually seen one do it.
>
>Do you have the three position loading switch of the 500, or the six
>position switch of the 500A and up?  Assuming your GK is unmodified,
>and the Plate and Screen voltages are correct, I would suspect that
>your loading capacitors have gotten leaky.
>
>Let us know what you find!
>
>73, Garey - K4OAH
>Atlanta
>
>----- Original Message -----
>From: "George Maier" <George at MAIERGROUP.COM>
>
>> Just wondering what you GK-500 owners are seeing for power out.
>> I can't seem to get more than 250W, with either a 6156 or a 4-400AX
>in the
>> PA socket.
>> The Power supplies have been recapped, voltages & currents look OK,
>except
>> can't load plate any higher than 290mA into a 50 Ohm load.  All of
>the meter
>> shunts have been replaced also. What am I missing ?
>> Thanks for the read!
>> George - K1GXT
>>
>
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