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Tungsram APP4120 Tested Pentode Tube Radio Amplifier
Tungsram APP4120 Tested Pentode Tube Radio Amplifier
Tungsram APP4120 Tested Pentode Tube Radio Amplifier
Tungsram APP4120 Tested Pentode Tube Radio Amplifier
Tungsram APP4120 Tested Pentode Tube Radio Amplifier
Tungsram APP4120 Tested Pentode Tube Radio Amplifier
Tungsram APP4120 Tested Pentode Tube Radio Amplifier
Tungsram APP4120 Tested Pentode Tube Radio Amplifier
Tungsram APP4120 Tested Pentode Tube Radio Amplifier

Tungsram APP4120 Tested Pentode Tube Radio Amplifier

$ 10.04

  • Brand: Tungsram
  • Country/Region of Manufacture: United Kingdom
  • Model: APP4120
  • Type: Power Tubes

Description

For Sale Tungsram APP4120 Vacuum Pentode Power Output Tube. Europe 5 Pin (O5A, B5) + Sidecontact Date Code: H Description: This is the 4 volts AC version of the former B2043 / RENS1823d DC-mains tube. Simultaneously it was the first indirectly heated output tube for AC- mains operation in continental Europe. It was available in 3 base versions. Tested on Funke W18N with: Uf: 4 V~ Ua: 150 V Ug1: 0 & -4.5 V Ug2: 100 V Results: Ia = 19 mA S = 8 mA/V 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.