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(!!) 5687 Tungsol black plates used/good

(!!) 5687 Tungsol black plates used/good "U" getter halo 1950's branded FEDERAL (28/28.5ma)

$ 32.99

1 tube) 5687 Tungsol black plates used/good "U" getter halo 1950's branded FEDERAL

28.0ma Gm=8500

28.5ma Gm=9900

 

Good used Ma range 28-32ma

Good used Gm range 9000-10,000

 

 

  

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