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1 pair) 420A Western Electric NOS 1979 1-2% matched
1 tube) 1.6/1.9ma Gm=1500/1600
1 tube) 1.6/1.9ma Gm=1400/1500
Matched on Amplitrex
Vplate=180V
Vgrid=-.1V
Good Ma = 1.5-2ma
Good Gm = 1400-1500
Ships within 48 hours · Estimated delivery Jun 24 - Jun 29
US$40
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