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(!!) (~ Recommended ~) EF14 Telefunken NOS 1957 tube was

(!!) (~ Recommended ~) EF14 Telefunken NOS 1957 tube was "FACTORY SEALED" inside original box (17.2ma)

$ 159.99

1 tube) EF14 Telefunken NOS tube was "FACTORY SEALED" inside original box, seal was cut to test tube (ig date code = March 1957) Serial #167

17.2ma

Gm=9250

 

Good NOS Current = 12ma

Good NOS Gm = 7000

 

- Pearlman TM1

- Modified U47 mic

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