56 RCA no name NOS 1940”s made for Radiotelefonica Argentia (5.1ma)

Category: SKU: TOY393751

$4.20 $13.99

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56 RCA no name NOS 1940”s made for Radiotelefonica Argentia in original box

5.1ma

Gm=1300

Tested on Amplitrex:

Vplate=250V

Vgrid=-13.5V

Iplate good range = 4.5-5.5ma

Gm=1400

(Vfilament = 2.5 volts)

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