.
BF960 - N-CHANNEL DUAL GATE MOS-FIELDEFFECT TETRODE
EL519 - High Performance Beam Power Tetrode
6P3S - Tetrode
6P1P - Tetrode
BF964 - N-Channel Dual Gate MOS-Fieldeffect Tetrode
KT66 - Beam Tetrode
BF961 - N-Channel Dual Gate MOS-Fieldeffect Tetrode
ECL81 - Triode - Endtetrode
EL509 - High Performance Beam Power Tetrode
BF963 - Silicon N-Channel MOSFET Tetrode
ECL11 - Triode - Endtetrode
BF965 - Silicon N-Channel MOSFET Tetrode
ECL113 - Triode - Endtetrode
BF964S - N-Channel Dual Gate MOS-Fieldeffect Tetrode
6P3SZ - Tetrode
KT77 - Beam Tetrode
TT22 - (TT21 / TT22) BEAM TETRODES
PCL81 - Triode - Endtetrode
BG3123R - DUAL N-Channel MOSFET Tetrode
