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Recent content by A1dxop

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    Galaxy 600 rf amplifier not working

    Pin #2 on the 6kd6 checks okay. One of the 8908 finals is bad and I don't have another to plug in, however the amp should put out power with one final tube shouldn't it? The filaments are wired in parallel. There seems to be something open in the rf input path.
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    Galaxy 600 rf amplifier not working

    Well guys thanks so far for the help, but nothing is working. The t/r relay was cleaned and still when keyed the radio swr goes high and output signal goes through the amplifier. When the stanby swith is in the off position radio rf goes through the amp fine. When the amp is switched on the...
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    Galaxy 600 rf amplifier not working

    yes...but the tube are different. there is a 6kd6 driver tube and two 8908 tubes in the final stage.
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    Another 29LTD classic problem

    did you check the modulation spike diode near the back of the modulation transformer?
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    Galaxy 600 rf amplifier not working

    I am working on a Galaxy 600 amplifier and am having no luck getting it going. the amp has good plate voltage (850 or so) on the tubes and is keying when excited with RF. The problem is no RF is getting into the driver tube. The RF goes away when keyed and the SWR on the radio goes very high...
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