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(!!!!) (Recommended Pair) 6A5G Sylvania rebranded National Union NOS black plates 1940's (98ma and 99ma)

$ 169.99

1 pair) 6A5G Sylvania rebranded National Union NOS 1940's black plates - connected in the middle - same date codes (EU) - in white boxes

1 tube) 99ma Gm=6900

1 tube) 98ma Gm=7000

 

TUBE PLUGGED INTO OCTAL SOCKET IN PICTURE

 

Test Data:

Vplate=225V

Vgrid=-30V

Good Ma range 70-100ma

Good Gm = 52000

 

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