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.