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TJ Fullmusic 12AX7 Data Sheet

Classification- It is a nine golden pins tube. Oxide coated cathode of indirect heated. It is a Twin triode.

Application -It intended for use a NF voltage amplifier or Phase inuerter. It is Low noise tube.

Dimensions -Dimensions, outline diagrams of the tube and bases, and the arrangement of electrode connections to the base terminals are shown in Figures 1, and 2.

12AX7_01

Fig 1                                                                                               Fig 2

Nominal operating conditions and parameters
Heater voltage ……………………………………………………………… 12.6V
Heater current ……………………………………………………………… 0.15A
Plate voltage ………………………………………………………………… 250V
Grid voltage ………………………………………………………………… -2V
Plate resistance …………………………………………………………… 62.5kohms
Plate current ………………………………………………………………… 1.2mA
Amplification factor …………………………………………………………… 100

Characteristics-Average characteristics
Figure 3. shown typical curves of plate currents of grid voltage for several values of plate voltages. It is alternating-current filament supply.

12AX7_02

Fig 3

Limiting Operation Conditions for Safe Nor simultaneous ratings
Maximum plate voltage …………………………………………………………… 300 V
Maximum negative Grid voltage ………………………………………………… -50V
Maximum positive Grid voltage …………………………………………………… 0V
Maximum Power of plate ………………………………………………………… 1.0W

 

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