Brand

• (no filter) 

  EUROPE (35) CEE (1) CHINE (1) DIVERSES MARQUES (3) ELECTRO HARMONIX (1) GENERAL ELECTRIC (3) INTERNATIONAL (34) JJ Electronic (18) MACHLETT (1) MAZDA (1) MULLARD (1) NEOTRON (1) REPUBLIQUE POPULAIRE CHINE (2) RUSSIE (3) SB (1) SYLVANIA (1) TELEFUNKEN (1) TUNGSOL (1) USA (42) PSVANE (2)

Interests

•  Audiophiles (125)
•  Collectors (136)
•  Guitarists (17)
•  Radio hams (137)

Socket

•  B7G - Miniatur (7 pins) (2)
•  B8A - Rimlock (8 Pins) (3)
•  B9A - Noval (9 pins) (4)
•  Dekar 12 Pins (1)
•  K8A - Octal (8 pins) (19)
•  P8A - Transcontinental (8 pins) (1)
•  SEPTAR (1)
•  U6A (6 Pins) (1)
•  UX Base (300B type, 4 pins) (3)
•  Y8A - German Steel (1)

Heating parameters

•  A - 4V (1)
•  E - 6.3V (26)
•  G - 5V (2)
•  I - 50V - 150mA (1)
•  J - 45V (3)
•  L - 2.5V (3)
•  M - 26.5V (1)
•  O - 12,6V (1)

Décennie

•  1930 (3)
•  1940 (4)
•  1950 (2)
•  1960 (1)