🔊What is a 6N2P Amplifier Tube?
The 6N2P, (Russian: 6Н2П), also sometimes spelled in English “6N2Pi”, is a miniature 9-pin dual triode vacuum tube manufactured in USSR, Russia and China with characteristics similar to the RCA 12AX7.
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📈6N2P Plate-grid and plate curves
💡6N2P VS 12AX7
Please note, that 6n2p is NOT DIRECTLY replacement for ECC83 or 12AX7 etc, it is necessary to modify your amplifier, because 6N2P has difference between analogue tubes (ECC83, 12AX7 etc): it has 6.3v of filament voltage (other connection of filament wires)
🎼12AX7 VS ECC83
The 12AX7 and ECC83 tubes are practically identical, although, in practice, a genuine ECC83 typically features a low-noise spiral-wound heater. On the other hand, while not guaranteed, many 12AX7 tubes do possess this characteristic.
🎚️12AX7 Tube Equivalent
- 6N2P (Most affordable one)
- ECC83
- 7025
- 12AD7
- 12DT7
- 12DF7
- 12DW7
🏭6N2P Tube Manufacturers:
Voskhod Factory (the most common)
Novosibirsk Factory 
Reflector Factory (considered to be of higher quality)
Svetlana Factory
The manufacturers such as Voskhod, Reflector, and Svetlana are known for producing reliable and high-quality vacuum tubes.
💸Average prices:
6N2P tube average price ranges from about $5 to $20
12AX7 Tube Price could range from approximately $10 to $50 USD
ECC83 Tube price ranges in average from about $10 to $50
📊6N2P Tube Datasheet:
| The filament voltage | 6,3 ± 0,6 In |
| The filament current | 340 ± 25 mA |
| The anode voltage nominal (constant) | 250 In |
| The anode voltage limit (constant) …… | 300 In |
| The anode current of each triode | 2,3 ± 0,9 mA |
| The current of the cathode of each triode limit | 10 mA |
| Voltage grid (constant) | -1.5 V |
| Return the current grid of each triode | 0,2 µa |
| The power dissipated by each anode, the limit | 1 W |
| The voltage between cathode and heater limit (DC) | 100 In |
| The voltage between the anodes | no more than 2 In |
| The steepness of the characteristics of each triode | 2,1 ± 0,5 mA/V |
| The gain of each triode | 97,5 ± 17,5 |
| The resistance in the circuit grid limit | 0.5 Mω |
| The input capacitance of each triode | 2,35 ± 0,35 pF |
| The capacity output of the first triode | 2,5 ± 0,5 pF |
| The capacity output of the second triode | 2,5 ± 0,5 pF |
| The gate capacitance of each triode | 0,8 pF |
| The capacitance between the anodes | not more than 0.15 pF |
| Capacitance cathode-heater | no more than 5 pF |
| Making | glass miniature. |
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