(!!!!) (Good Value Pair) CX-301-A Cunningham used/good 1930 era (2.0ma and 2.0ma)

(!!!!) (Good Value Pair) CX-301-A Cunningham used/good 1930 era (2.0ma and 2.0ma)

$59.99
{{option.name}}: {{selected_options[option.position]}}
{{value_obj.value}}

1 pair) CX-301-A Cunningham used/good 1930 era in white boxes 1 tube) 2.0ma Gm=600  1 tube) 2.0ma Gm=550    Good mA range 2-3ma NOS Gm = 700-800 Good used Gm= 500-700     (Filament=5V @ 250ma, Vplate max=135V) - Crosley C5 1926   Class A Amplifier:-----------------Plate Voltage = 90 VGrid No. 1 Voltage -4.5VAmplification Factor (mu) = 8Plate Resistance (approx) 11KohmsTransconductance = 725mhosPlate Current = 2.5 mA

Show More Show Less