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(!!!) (BEST PAIR) EF184=6EJ7 Siemens rebranded Telefunken NOS 1963 same date codes (11.8ma and 12.5ma) 1-3% matched

(!!!) (BEST PAIR) EF184=6EJ7 Siemens rebranded Telefunken NOS 1963 same date codes (11.8ma and 12.5ma) 1-3% matched

$ 59.99

1 pair) EF184 Siemens rebranded Telefunken NOS 1963 same date codes

1 tube) 12.5ma Gm=16,400 

1 tube) 11.8ma Gm=16,800 

 

Matched on Amplitrex

Vplate=200V

Vscreen=200V

Vgrid= -2.5V

Good Ma range 9-11ma

Good Gm range = 15,000

 

 

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