Model:
EL34 (6CA7)
Brand:
Tesla
Classification:
Power Pentode
Model:
EL34 (6CA7)
Brand:
CBS
Classification:
Power Pentode
Model:
EL34 (6CA7)
Brand:
Mullard (modern logo)
Classification:
Power Pentode
Model:
6F6G
Brand:
Marconi, Canada
Classification:
Power Pentode
Model:
EL12
Brand:
Telefunken
Classification:
Power Pentode
Model:
813
Brand:
RCA
Classification:
Power Pentode
Model:
6F6
Brand:
RCA
Classification:
Power Pentode
Model:
6DZ7
Brand:
ICC
Classification:
Twin Power Pentode