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Radios131 of 1397RCA VICTORGRUNDIG CONCERT-BOY TRANSISTOR 4000 (#2)
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    Posted 4 years ago

    were
    (229 items)

    This large tube weighs 1 1/4 lbs and has a circumference 14.5 inches marks on it are hard to see ,but show v--- N.J,, any idea as to what and for usage?

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    Comments

    1. AnythingObscure AnythingObscure, 4 years ago
      My guess (only!) would be some variety of radio broadcast transmitter tube, given its very large size and most unique configuration of pins/etc. If not that, perhaps something which was part of another kind of otherwise 'huge and very heavy duty' industrial equipment.

      One thing it certainly *isn't* is something that ultimately plugged into somewhere in back of anybody's household radio/TV set...?! ;-) ;-) ;-)

      A VERY COOL (not to mention no doubt *unusual*) ITEM!!! :-) :-) :-) :-)
    2. were, 4 years ago
      someone said it's an 833a tube?

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