56 Philco by Sylvania used/good 1940”s (5.2ma)

Category: SKU: TOY393755

$3.00 $9.99

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56 Philco by Sylvania used/good 1940”s

5.2ma

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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