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(!) EL5 Tungsram UK NOS 1940's in Philips Miniwatt box (71ma)

$ 49.99

EL5 Tungsram UK NOS 1940's in Philips Miniwatt box - small section of top getter faded from glass - does not effect tube performance 

71ma

Gm=8400

 

Tested on Amplitrex: (data sheet specifications)

Vplate=250V

Vscreen=275V

Vgrid=-14V

Good Ma range 65-72ma

Good Gm = 8000-8500

 

 

 

(EL5=18 watt pentode, Vfil=6.3V @ 1.35A, Vplate max=250V)

- transco base

- some paint is faded on each tube from old age and storage conditions

 

 

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