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Very rare valves or unknown (not in RMorg)

Forum » Valves / tubes - Semiconductors » Very rare valves or unknown (not in RMorg)
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Topics: 1 to 50 from 214
  Topic Rating Hits Answ. Author Last text   Language
  Interesting tube   1978 10 Jancsek, Ottó Selyem-Tóth, S. 20.Feb.24 english  
  Tube VT120/1800   505 1 Banach, Paweł Jung, Otmar 27.Aug.23 english  
  Tube W1-01/30   455 2 Banach, Paweł Banach, Paweł 25.Aug.23 english  
  MH45 Traveling wave tube   372 1 Jancsek, Ottó Holtmann, W. 21.Aug.23 english  
  YB9 Travelling wave tube   431 2 Jancsek, Ottó Jancsek, Ottó 21.Aug.23 english  
  Fehlender Eisenwasserstoff W...   699 1 Lasser, Gregor Roschy, Jacob 03.Jul.23 deutsch  
  6BH5A datasheet or specs   544 4 Wheeler, Geoff Wheeler, Geoff 11.Feb.23 english  
  4C111 Tube   577 2 Jancsek, Ottó Jancsek, Ottó 27.Jan.23 english  
  unbekannter Halbleiter WN820   998 3 Löwe, Nikolaus Steinmetz, A. 11.Sep.22 deutsch  
  2X63 tube   1088 2 Jancsek, Ottó Jancsek, Ottó 10.Apr.22 english  
  RADIAN 1167   755 2 Laureti, Biagio Laureti, Biagio 07.Jan.22 italiano  
  Help identifying a large tub...   686 2 Boughen, Max Boughen, Max 09.Nov.21 english  
  Unknown Tube?   847 2 Hill, Jeffrey Hill, Jeffrey 06.Sep.21 english  
  Not listed in RM AAH-55 GM D...   536 0 Trybuchowic..., P. Trybuchowic..., P. 04.Jun.21 english  
  Radioactive Valve? Uranium D...   1132 2 Smyrnis, Iordanis Steinmetz, A. 31.May.21 english  
  Mystery tube   827 2 Lumme, Harri Lumme, Harri 29.Apr.21 english  
  Help to identify valve tube   880 1 Maseda, J. Jung, Otmar 16.Nov.20 english  
  Unbekannte Röhre   1542 4 Heigl, Gerhard Heigl, Gerhard 18.Aug.20 deutsch  
  Soviet 1539   1099 3 Shellberg, Ken Shellberg, Ken 11.Jun.20 english  
  Brimar 13D1 / CV423   1240 4 Shellberg, Ken Shellberg, Ken 08.Jun.20 english  
  Novis FW125*, 4-volt rectifier   984 5 Shellberg, Ken Roschy, Jacob 04.Jun.20 english  
  Cossor 45IU   1312 7 Shellberg, Ken Shellberg, Ken 01.Jun.20 english  
  Unknown 4-volt rectifier   1183 11 Shellberg, Ken Shellberg, Ken 01.Jun.20 english  
  Tungsram 1500R   1093 3 Jancsek, Ottó Jancsek, Ottó 18.Mar.20 english  
  Tungsram OS66   1417 3 Jancsek, Ottó Jancsek, Ottó 11.Mar.20 english  
  Röhre 5881WXT   1122 2 Schaufelber..., C. Schaufelber..., C. 07.Nov.19 deutsch  
  A tube which is not known by...   1331 6 Jancsek, Ottó Jancsek, Ottó 04.Nov.19 english  
  Unknown tube   1489 2 Selyem-Tóth, S. Selyem-Tóth, S. 09.May.19 english  
  Please help me to identify t...   1384 2 Jancsek, Ottó Jancsek, Ottó 19.Apr.19 english  
  Beantwortet !! (Wer kennt di...   1378 3 Lidschreibe..., W. Lidschreibe..., W. 06.Mar.19 deutsch  
  Wer kennt diese Röhre, bitte...   1723 2 Haindorfer, Josef Haindorfer, Josef 11.Jan.19 deutsch  
  Unbekannte russische Elektro...   1401 2 Mahrholz, Uwe Mahrholz, Uwe 26.Dec.18 deutsch  
  blaue Röhren   1822 2 Haas, Joachim Roschy, Jacob 17.Sep.18 deutsch  
  unbekannte Röhre   1270 1 Haas, Joachim Nagel, Bernhard 17.Sep.18 deutsch  
  PL81 and PL81A wich is the d...   2097 2 Feniello, G. Feniello, G. 27.Jul.18 english  
  Do you have an Acme brand tu...   1326 2 Anderson, Larry Hippenstiel, Mark 09.Jun.18 english  
  Wer kennt Glühfa GmbH?   1376 1 Löwe, Nikolaus Löwe, Nikolaus 01.Jun.18 deutsch  
  Unknown Telefunken Röhren   1662 2 Selyem-Tóth, S. Selyem-Tóth, S. 20.Nov.17 deutsch  
  Prüfkarte Funke W19   1767 4 Klöckner, Alfred Klöckner, Alfred 10.Sep.17 deutsch  
  Unknown metal-mazda valve   1472 2 van Dijk, N. van Dijk, N. 17.Jul.17 english  
  Unbekannte OSRAM-Röhre 10K. ...   1954 2 Eckardt, Wolfgang Eckardt, Wolfgang 07.Jul.17 deutsch  
  Marconi tube ID   5265 3 Nikolic, Dragan Nikolic, Dragan 11.Jun.17 english  
  Which tube is this   1801 2 van Dijk, N. van Dijk, N. 04.Jun.17 english  
  Barkhausen-Kurz-Röhre neu im... 9 Rating Ø 4.5 3334 0 Eckardt, Wolfgang Eckardt, Wolfgang 14.Nov.16 deutsch  
  Unknown tube of peculiar des...   2023 2 Rada, Peep Jung, Otmar 03.Oct.16 english  
  Unknown RCA tube   2346 1 Nagel, Bernhard Nagel, Bernhard 18.Aug.16 english  
  Unbekannte RCA Röhre   2700 2 Nagel, Bernhard Nagel, Bernhard 18.Aug.16 deutsch  
  Röhren RGL4002 und RGL7002   2310 2 Eckardt, Wolfgang Eckardt, Wolfgang 15.Jun.16 deutsch  
  Unidentified tube   2855 5 Momirov, Dejan Verheijen, Gidi 26.May.16 english  
  DR2000   2464 1 Schaufelber..., C. Jung, Otmar 06.May.16 deutsch  
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