Brand

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  EUROPE (19) CEE (5) CETRON (1) GENERAL ELECTRIC (1) MARQUES DIVERSES / VARIOUS BRANDS (38) JJ Electronic (4) PHILIPS (2) REPUBLIQUE POPULAIRE CHINE (1) TELEFUNKEN (2) THOMSON (2) ULTRON (1) USA (35) VISSEAUX (1) WESTERN ELECTRIC (1)

Interests

•  Audiophiles (90)
•  Collectors (101)
•  Guitarists (5)
•  Radio hams (98)

Socket

•  B7G - Miniatur (7 pins) (3)
•  B8A - Rimlock (8 Pins) (2)
•  B9A - Noval (9 pins) (6)
•  K8A - Octal (8 pins) (10)
•  P8A - Transcontinental (8 pins) (2)
•  UX Base (300B type, 4 pins) (3)
•  Y8A - German Steel (1)

Heating parameters

•  1.2 to 1.4V (1)
•  4V (1)
•  5V (11)
•  6.3V (7)
•  19V (1)
•  31V (1)
•  35V - 150mA (1)
•  50V - 150mA (1)

Décennie

•  1920 (1)
•  1930 (2)
•  1940 (6)
•  1950 (5)