Name: 12AX7 Use: Miniature type used as phase inverter or amplifier in ac/dc radio equipment and in many diversified applications such a multivibrators or oscillators in industrial control devices. Notes: Requires a miniature 9-pin socket. |
12AX7 High-Mu Twin Triode Characteristics Data Source. . . . . . . . . GE-73 Heater or Filament Voltage . 6.3/12.6 volts Heater or Filament Current . 0.3/0.15 amperes EIA Base . . . . . . . . . . 9A Outline. . . . . . . . . . . 6-2 Substitutes. . . . . . . . . 12DF7 12DM7 12AD7 For Characteristics and Typical Operation, See 12AX7A |
Capacitances and Design Maximum Values: Section. . . . . . . . . Each Triode C/in . . . . . . . . . . . 1.8 pf C/out. . . . . . . . . . . 1.9 pf C/gp . . . . . . . . . . . 1.7 pf Plate Dissipation. . . . . 1.2 watts Maximum Plate Voltage. . . 330 volts |
Typical Operation as a Receiving Tube Description Ep Eg EgMax Es Is IsMax Ip IpMax Rp TC AF Zl PO ================================================================== Class A Amp 250 -2 - - - - 1.2 - 62.5K 1600 100 - - |