<< 12AX7/ECC83 S Vacuum Tube

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.

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.

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