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(!!) (~ Recommended Pair ~) 12B4A RCA NOS 1960's (38ma and 42ma)

(!!) (~ Recommended Pair ~) 12B4A RCA NOS 1960's (38ma and 42ma)

$ 14.99

1 pair) 12B4A RCA NOS 1960's same build
1 tube) 38ma Gm=7100 
1 tube) 42ma Gm=6900 

 

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