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(!!!) (Recommended Pair) 311B WE used/good 1960-1961 partially faded getters (24.5ma and 26.5ma)

(!!!) (Recommended Pair) 311B WE used/good 1960-1961 partially faded getters (24.5ma and 26.5ma)

$ 109.99

1 pair) 311B WE used/good 1960-1961 in white boxes

1 tube) 26.5ma Gm=2500 (6152=1961)

1 tube) 24.5ma Gm=2400 (6052=1960)

 

Tested on Amplitrex

Vplate=180V

Vscreen=135V

Vgrid=-15V

Good Ma = 30ma

Good Gm = 2900

 

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