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485 Sylvania engraved base used/good 1934 (8.3ma) Image 1
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485 Sylvania engraved base used/good 1934 (8.3ma) Nav Image 1

485 Sylvania engraved base used/good 1934 (8.3ma)

$16.99 $19.99


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1930's 1934 27 485 engraved base preamp tube triode


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Preamp tubes
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  • Description

485 Sylvania engraved base used/good 1934 

8.3ma

Gm=1500

 

(variant of Type 27 with 3V @ 1.25A filament)
(Sparton=The Sparks-Withington Co., Jackson, MI)

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