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I just got a copy of a heathkit sb200. Uses (2) 572B tubes. Was thinking about trying to start with that schematic maybe. Maybe use less voltage and use 811A's. then again seen 572B's operating at 2500V and getting about 1000PEP.
Hello gentlemen and Ladies. I have the dreaded RCI-2990 receive issue where my radio gets distorted when people get close to my location. I found the C90 Capacitor, but I can not for the life of me find the C89 capacitor. Can or does anyone have a picture of the exact location of C89 ? Thank you in advance, Wes
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