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485 National Union used/good 1940's (6.2ma) Image 1
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485 National Union used/good 1940's (6.2ma) Nav Image 1

485 National Union used/good 1940's (6.2ma)

$13.99 $15.99


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1930's 27 485 engraved base preamp tube triode


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Preamp tubes
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  • Description

485 National Union used/good 1940's

6.2ma

Gm=1200

 

NOS Ma = 5.8ma

NOS Ma = 1400-1500

 

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

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