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(!!!) (4th Best Pair) CK-5755=420A Raytheon clear top NOS 1965 (1.7/1.8ma and 1.8/1.9ma)

(!!!) (4th Best Pair) CK-5755=420A Raytheon clear top NOS 1965 (1.7/1.8ma and 1.8/1.9ma)

$ 37.99

1 pair) CK-5755=420A Raytheon clear top NOS 1965

1 tube) 1.7/1.8ma Gm=1400/1400

1 tube) 1.8/1.9ma Gm=1400/1450

 

Matched on Amplitrex

Vplate=180V

Vgrid=-.1V

Good Ma = 1.5-2.2ma

Good Gm = 1400-1600

See more: vacuum tube
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