Please, pay attention to the title: '=' means "fully similar"  our tube can replace this model  without any additional adjustements; '~' means "partially similar"  our tube can replace this model only after some adjustments to your system.
USED 6N1P-EV Double Triode tubes.
Four tubes in one lot.
Matched quad.
The tubes are tested and matched on tester L3-3.
The parameters are attached to each tube.
6Н1П. Расположение выводов

Rated electrical data (for each triode)
Heating voltage,     V 6.3
Anode voltage,        V 250
Resistance in the cathode circuit for automatic bias,     Ohm 600
Heating current,    mA 600±50
Current in the anode circuit,    mA 8±2.4
The steepness of the characteristic,    mA / V 3.2
The steepness of the characteristic at a heating voltage of 5.7 V, not less than,    mA/V 2.7
Internal resistance,    kOhm 11
Gain    35±7

We ship via International Airmail.
Tracking number is provided.

Important notice for buyers from Canada -shipping to central and western provinces of Canada may take up to 2 months! 
Important information for buyers from Australia, Oceania, Central Africa and South America: due to increased shipping cost to these regions, shipping price is calculated individually. 
!!!Dear buyers, despite the treacherous Russion invasion of Ukraine
we are working!!!

Some minor delays in the delivery may happen.