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1 low noise pair) 6FQ7/6CG7 GE NOS series filaments
1 tube) 9.8/8.8ma Gm=2800/2800 faded printing
1 tube) 8.5/9.6ma Gm=2600/2800 green printing
Matched on Amplitrex
Vplate=250V
Vgrid=-8V
Good Ma = 7-8ma
Good Gm = 2300-2500
Conrad Johnson
Audio Research
Ampeg
Stax
Marantz
Ships within 48 hours · Estimated delivery Aug 12 - Aug 17
US$40
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