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Robertson R-Super 2S

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Uploaded by on Sep 6, 2011

Robertson tube reveiver, mainly made for maritime usage.

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Science & Technology

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Standard YouTube License

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Uploader Comments (johansoldradios)

  • Well, it could be a dyna, but in this case it's only the buzz from the trafo. It transform 12 volt to higer voltage with the help of a trafo and two OC26 transistors!

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  • Was that a dynamotor I heard start up when you flipped the switch on?

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