FOR SALE

 Gecovalve VMS4B  Pentode Tube.

  • Europe 5 Pin B5

  • From an old military stock

  • NOS test results


Tested on AVO 160 with:  

Uf:  4 V

Ua: 200 V

Ug1: - 1 V

Ug2: 75 V

   Results: Ia = 5 mA (5 = 100 %)

                   S = 2.8 mA/V  (2.4 = 100 %)                             

 

 

  • All our tubes are tested for shorts and gas leak.

  • Items will be carefully packed to ensure save arrival.

  • Thank you for checking the other listings.

  • We ship usually within one day after payment.