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5755=420A Raytheon clear top rebranded Tungsol used very good 1960's (1.7/1.8ma)

5755=420A Raytheon clear top rebranded Tungsol used very good 1960's (1.7/1.8ma)

$ 6.99

5755=420A Raytheon clear top rebranded Tungsol used good 1960's

1.8ma Gm=1400

1.7ma Gm=1300

 

Tested on Amplitrex

Vplate=180V

Vgrid=-.1V

Good used Ma = 1.5-2.0ma

Good used Gm = 1300-1400

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