2E22 tube
2E22 is 300B for poor man
Tube type: Transmitting Tube, Pentode, air cooled Power/Output
30W plate dissipation; quick heating filament.
Vf 6.3 Volts / If 1.5 Ampere
Neotron made in France maybe the best sounding 2e22
Tungsol also very good
Aikido diy 2e22 very impressive
Aikido Diy 2e22 SE