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I am trying to modify a 1 tube amp for 6 meters using a 6146. I think the
amp was origionally used for CB though it does tune up on 10 meters. It worked OK before I removed the input circuit and put in one for 6M. The problem is I cant neutralize the damn thing. It makes a great osc.I was thinking of scraping the tuned input and replacing it with a 200 ohm resistor and a 4:1UNUN. I figure this low of an impedance on the grid would swamp out any feedback that might me causing it to osc. I have about 5 watts PEP of drive. Jimmie |
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