Model:
KT88
Brand:
J.J.- clear
Classification:
Beam Power (=6550A)
Model:
KT88
Brand:
Sovtek
Classification:
Beam Power (=6550A)
Model:
KT88
Brand:
Svetlana
Classification:
Beam Power (=6550A)
Model:
KT88S
Brand:
Tesla (Special Version)
Classification:
Beam Power (=6550A)
Model:
KT88S
Brand:
Tesla (blue)
Classification:
Beam Power (=6550A)
Model:
KT90
Brand:
EI
Classification:
Beam Power
Model:
6AQ5/6HG5
Brand:
General Electric
Classification:
Beam Power
Model:
6AQ5/6HG5
Brand:
Telefunken
Classification:
Beam Power