Brand

• (no filter) 

  CEE (1) CIFTE (1) EI (1) ELECTRO HARMONIX (4) EUROPE (13) GENERAL ELECTRIC (2) JJ Electronic (38) MARQUES DIVERSES / VARIOUS BRANDS (37) MINIWATT DARIO (2) MULLARD (1) PHILIPS (9) PSVANE (1) RADIO TECHNIQUE (1) RCA (5) RTC (1) RUSSIE (5) SAVEMA (1) SFR (1) SOVTEK (2) SYLVANIA (2) TRONAL (1) TUNGSOL (3) USA (21) VALVO (1)

Interests

•  Audiophiles (147)
•  Collectors (131)
•  Guitarists (48)
•  Radio hams (127)

Socket

•  B4 - Europa 4 Pin (1)
•  B7G - Miniatur (7 pins) (5)
•  B8A - Rimlock (8 Pins) (1)
•  B9A - Noval (9 pins) (62)
•  B10C - Decal (1)
•  K8A - Octal (8 pins) (46)
•  UX Base (300B type, 4 pins) (1)

Heating parameters

•  4,5V (2)
•  4V (1)
•  5V (1)
•  6.3V (72)
•  6.3V / 12.6V according to series or parallel assembly (23)
•  7.5V (1)
•  9.5V (1)
•  12,6V (14)
•  14V (1)
•  17.5V (1)
•  58V (1)

Décennie

•  1920 (1)
•  1930 (10)
•  1940 (21)
•  1950 (14)
•  1960 (4)
•  1970 (3)
•  2000 (1)

Connection on the top

•  With (5)
•  Without (34)