Brand

•  ACTURUS
•  AEG
•  AMPEREX
•  BROWN BOVERI
•  CBS
•  CHINE
•  DARIO
•  EDISWAN
•  EIMAC
•  ELECTRO HARMONIX
•  EUROPE
•  FIVRE
•  GENERAL ELECTRIC
•  JJ Electronic
•  KENRAD
•  KR AUDIO
•  M.P.Pedersen
•  MARQUES DIVERSES / VARIOUS BRANDS
•  MAZDA
•  NATIONAL UNION
•  NEOTRON
•  PHILIPS
•  PSVANE
•  RADIOTECHNIQUE
•  RAF
•  RAYTHEON
•  RCA
•  REFLECTOR
•  ROGERS
•  RPC
•  RSD
•  RTC
•  RUSSIE
•  SFR
•  SHUGUANG
•  SIEMENS
•  SIF
•  SYLVANIA
•  TELEFUNKEN
•  THOMSON
•  THOMSON CSF
•  TUNG-SOL
•  USA
•  VALVO
•  VARIAN
•  VISSEAUX
•  WESTERN ELECTRIC

Interests

•  Audiophiles
•  Collectors
•  Guitarists
•  Radio hams

Socket

•  5AA - Acorn 5 pins
•  B4 - Europa 4 Pin
•  B5 - Europe (5 pins)
•  B9A - Noval (9 pins)
•  B9D - Magnoval / Novar (9 pins)
•  B9E - Novar
•  B10C - Decal
•  G5K - EU-Telephone 5-pins
•  Jumbo (845 type, 4 pins)
•  K8A - Octal (8 pins)
•  P8A - Transcontinental (8 pins)
•  S5G (Geant Special Support 5 Stifte - for 3-500Z)
•  UX Base (300B type, 4 pins)
•  UY-Base (807 type, 5 pins)
•  Y8A - German Steel

Heating parameters

•  1.2 to 1.4V
•  1.5V
•  2.5V
•  2V
•  3.5V
•  3.8V
•  3V
•  4.8V
•  4V
•  5.5V
•  5V
•  6.3V
•  6V
•  7.3V
•  7.5V
•  10V
•  11V
•  12,6V
•  12V
•  13V
•  15V
•  16V
•  17.5V
•  25V
•  38V
•  58V
•  60V

Décennie

•  1920
•  1930
•  1940
•  1950
•  1960
•  1970
•  1980

Connection on the top

•  With
•  Without