JJ Electronics 12AX7/ECC83 Preamp Tube | Palen Music Guitar Accessories $19.95 JJ Tubes

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JJ Electronics 12AX7/ECC83 Preamp Tube

Item ID: T12AX7JJX

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JJ Electronics 12AX7/ECC83 Preamp Tube


JJ Electronics has become the name to know when it comes to amplifier tubes, and their 12AX7 is no exception. It's a reliable tube at a reasonable price, and is used in many different amplifiers.


Body Height: 49.2 mm
Cathode Current (Ik):
≤ 8 mA
Filament Current (If): 300 / 150 mA
Filament Voltage (Uf): 6.3 / 12.6 V
Gain (μ): 100
Grid Circuit Resistance (Rg): 2.2 M
Grid Voltage (Ug): ≥ -50 V, -2 V typical
Heater to cathode resistance (Rk/f): 150 kΩ
Heater to cathode voltage (Uk/f): ≤ 180 V
Internal Resistance (Ri): 62.5 kΩ
Item Diameter: 22 mm
Item Height: 56.3 mm
Plate Current (Ia):  1.2 mA
Plate Dissipation (Wa):  ≤ 1 W
Plate Voltage (Ua):  ≤ 300 V, 250 V typical
Transconductance (S): 1.6 mA/V