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doffo's latest activity

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    doffo replied to the thread Magnum 2000 resistor repair..
    Pretty neat you also just have it set to Medium. My 2 pill Magnum 2000 I just keep it at medium. with yours having the four MRF455, its...
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    doffo replied to the thread 11 meter is very quiet?.
    The ALC will set your SSB watts overall. I just put my wife's 980SSB to 10 watts on SSB, then put the AMC so it was doing the 8 watts on...
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    doffo reacted to FlyBoy50's post in the thread 11 meter is very quiet? with Like Like.
    Now that you mentioned it I think I need to crank up the ALC. You might be right about extreme temp swings and failed displays because...
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    doffo reacted to c316buckeye's post in the thread Magnum 2000 resistor repair. with Like Like.
    had to look inside.. mrf455, straight 4. i was told it was a 2 pill and it has a magnum 4000 sticker looks to have been peeled off and...
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    doffo replied to the thread 11 meter is very quiet?.
    You are doing great. SSB should be doing its 10+ watts. AM I think it was doing the 4 watts deadkey swinging up to 10. I think bringing...
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    doffo reacted to FlyBoy50's post in the thread 11 meter is very quiet? with Like Like.
    Thanks I have to laugh because I have too much on my plate at the moment to open the radio up but the solar site said DX was good for...
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    doffo reacted to G-Golly Wally's post in the thread My latest project. with Like Like.
    I've had a wood stove that belonged to my dad for about 5 years. I finally decided to hook it up and get some heat going in the shop...
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    doffo replied to the thread Uniden pc68xl help.
    I suppose you can get a resistor and a capacitor to help with that, but I felt that the audio was distorted after doing it. What worked...
    • Diode AM PC68XL.jpg
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    doffo replied to the thread Magnum 2000 resistor repair..
    Looking at the fuse, it went through some heat stress.... Can those Toshiba finals take a beating like that?!?! I figured they would of...
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    doffo reacted to c316buckeye's post in the thread Magnum 2000 resistor repair. with Like Like.
    a souped up cobra 29 can burn up an amp and a dual final radio swinging 3w ssb can talk on a magnum 4000 all day. i wonder if it made a...
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    doffo replied to the thread Magnum 2000 resistor repair..
    Thanks to your advice in the past, that was my guess that it was driven wayyyy too hot. Maybe feeding it with 30+ watts? I will go to...
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    doffo reacted to nomadradio's post in the thread Magnum 2000 resistor repair. with Wow Wow.
    Screw should be an american thread #4-40 thread pitch. Looks like it was driven with a radio almost as big as the amplifier. 73
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    doffo replied to the thread Magnum 2000 resistor repair..
    Going to order some. The two that are nuked are 100 ohms, and the two top ones closer are 33 ohms. (For some reason on the right-top on...
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    doffo replied to the thread Magnum 2000 resistor repair..
    Took my time and it worked out... :) (Please ignore the nasty bits of dust/crumbs/flux splatter from the amp. I cleaned it all up...
    • Magnum 2000 Broken Screw 2.jpg
    • Magnum 2000 Broken Screw 1.jpg
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    doffo reacted to Crawdad's post in the thread Interesting radio application with Like Like.
    Tis OceanGate. They used it for comms with the mothership while on the surface. Just one of several rinky-dink work arounds that Rush...