Due to the russian attack on Ukraine and the outbreak of war

normal logistics disrupted. 

As a result, the delivery time of parcels may be increased.


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4 pc NOS or Lightly used tube

Audiophile pentode 4P1L (4П1Л) with direct heating is equivalent of tubes 4L1S / 4LS1 

and a copy of the Wehrmacht tubes RL2 / 4P6. 

These tubes were used in many military radio  R104 R105, R109 etc., 

today they are mostly used in  different AMP projects.

Tested with L3-3 Tube Tester 

For Ua - 150 V  Ug2 - 150 V  Ia - 35 mA

Ug1    - 5.8 -5.8 - 5.9 - 6.2

Slope -  5.4  5.8   5.5   5.2

See my other tubes

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