Sovtek 6N1-P Vacuum Tube

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SKU: 1002120
Weight: 0.2 lb
Sale Unit: Piece

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The Sovtek 6N1-P is used as the driver tube by Audio Research in their VS55 and VS110 amps. They are similar to the 6DJ8 except that the 6N1P has a higher heater current. May be a suitable replacement for 6DJ8 / 6922 variants. 

30-day warranty against manufacturing defects.

The 6N1-P (Russian: 6Н1П) is a Russian-made miniature 9-pin medium gain double triode vacuum tube intended for use as a line audio amplifier and cathode driver.

Basic data:
  • Uf = 6.3 V, If = 600 mA
  • µ = 35
  • Ia = 7.5 mA
  • S = 4.35 mA/V
  • Pa = 2.2 W

The 6N1-P has similar ratings to the 6DJ8 and in the past was sometimes rebranded as such, however differences between the two types (the 6N1-P requires double the filament current and has only one third the S value) mean they are not directly interchangeable. The S is about 4.35 ma/V, the 6DJ8/ECC88 has a S of 12.5 ma/V and a gain of 33 and a lower internal resistance. However, the 6N1P is typically more linear for a given load. It is therefore inaccurate to say that these two tubes are identical.

The closest western equivalent to the 6N1P is the well known 6BQ7A. A ruggedized/extended ratings version of the tube is designated 6N1P-EV (Russian: 6Н1П-ЕВ). It has currently found a use as a driver tube in hi-fi tube amplifiers (such as Audio Research models VS55 and VS110) because of its excellent low distortion and low noise characteristics. The tube is manufactured by the "Voskhod" plant in Kaluga, Russia and is distributed in the West under the Sovtek and Svetlana brand names.

For further information on this product, please feel free to view the datasheet here.

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