[Amps] Grid Vs cathode drive

Peter Chadwick g3rzp at g3rzp.wanadoo.co.uk
Sun Aug 6 02:08:02 EDT 2006


Tom said:
>There were a lot of 10 watt 807's and even a few known 10 
watt pairs of 813's on 160.<
10 watt 807's wewre common over here - we had a 10 watt input limit on 160. One well known DXer had his '10watts' from no less than SIX 813's in push-pull parallel. He lived next door to a ham who worked 80 SSB, and had  TR4 or R4  - a Drake rid. anyway. The second guy had a lot of trouble with the front end of the Drake burning up - it would be working, then a day or two later, the bandswitch was burned or the rx front end coil gone. He came home from the pub one Saturday night, went up to bed but heard this noise from the shack. Had a look, and theere was the bandswitch arcing in rhythem - dah-dit-dah-dit--dah-dah-di-dah.........It was the top band guy! So ham#2 in annoyance nips down the garden, garden shears in hand, cuts the 160m guys hallieards, and down comes the 160m antenna. And the first guy continued to work W's all night on 160.......
The names and callsigns are suppressed to protect the guilty!
73
Peter G3RZP


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