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485 Sparton engraved base used/good 1936 (5.5ma) Image 1
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485 Sparton engraved base used/good 1936 (5.5ma) Nav Image 1

485 Sparton engraved base used/good 1936 (5.5ma)

$15.00 $17.99


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1930's 27 485 preamp tube Sparton triode


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Preamp tubes
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  • Description

485 Sparton engraved base used/good 1936

5.5ma

Gm=1300

  

 

(485 is a variant of Type 27 with 3V @ 1.25A filament)


(Sparton=The Sparks-Withington Co., Jackson, MI)

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