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6SQ7GT RCA used/good 1951 strees cracks in base (Gm=1200)

$ 3.89

6SQ7GT RCA used/good 1951 strees cracks in base (35/19) on TV-7

.7ma

Gm=1200

 

Tested on Amplitrex

Vplate=250V

Vgrid=-2V

Good used Ma = .5-.8ma

Good used Gm = 800-900

 

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