Brand

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  EUROPE (17) BRIMAR (1) CEE (2) CIFTE (1) MARQUES DIVERSES / VARIOUS BRANDS (32) KENRAD (1) MAZDA (1) MINIWATT DARIO (1) ORION (1) PHILIPS (2) RCA (2) RADIO TECHNIQUE (1) RTC (1) SIEMENS (2) SYLVANIA (1) TELEFUNKEN (4) USA (10)

Interests

•  Audiophiles (55)
•  Collectors (79)
•  Radio hams (79)

Socket

•  B7G - Miniatur (7 pins) (4)
•  B8A - Rimlock (8 Pins) (2)
•  B9A - Noval (9 pins) (28)
•  B10C - Decal (5)
•  Dekar 12 Pins (1)
•  K8A - Octal (8 pins) (13)
•  P8A - Transcontinental (8 pins) (1)
•  U6A (6 Pins) (1)
•  U7A (7 Pins) (2)
•  Y8A - German Steel (2)

Heating parameters

•  1.2 to 1.4V (1)
•  4V (1)
•  6.3V (40)
•  6.3V / 12.6V according to series or parallel assembly (7)
•  8V (4)
•  12,6V (1)
•  14V (1)
•  16.8V (1)
•  19V (1)

Décennie

•  1930 (11)
•  1940 (6)
•  1950 (16)
•  1960 (10)
•  1970 (1)