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Very rare valves or unknown (not in RMorg)

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Forum » Valves / tubes - Semiconductors » Very rare valves or unknown (not in RMorg)
Topics: 1 to 50 from 206
  
  Topic Rating Hits Answ. Author Last text   Language
  Old Italian Marconi/Genova t...   91 ? Pexsters, Yves Pexsters, Yves 13.Oct.21 english  
  Unknown Tube?   310 2 Hill, Jeffrey Hill, Jeffrey 06.Sep.21 english  
  Not listed in RM AAH-55 GM D...   131 0 Trybuchowic..., P. Trybuchowic..., P. 04.Jun.21 english  
  Radioactive Valve? Uranium D...   427 2 Smyrnis, Iordanis Steinmetz, A. 31.May.21 english  
  Mystery tube   292 2 Lumme, Harri Lumme, Harri 29.Apr.21 english  
  Interesting tube   717 8 Jancsek, Ottó Jancsek, Ottó 02.Mar.21 english  
  Help to identify valve tube   420 1 Maseda, J. Jung, Otmar 16.Nov.20 english  
  Unbekannte Röhre   1036 4 Heigl, Gerhard Heigl, Gerhard 18.Aug.20 deutsch  
  Soviet 1539   603 3 Shellberg, Ken Shellberg, Ken 11.Jun.20 english  
  Brimar 13D1 / CV423   524 4 Shellberg, Ken Shellberg, Ken 08.Jun.20 english  
  Novis FW125*, 4-volt rectifier   528 5 Shellberg, Ken Roschy, Jacob 04.Jun.20 english  
  Cossor 45IU   590 7 Shellberg, Ken Shellberg, Ken 01.Jun.20 english  
  Unknown 4-volt rectifier   698 11 Shellberg, Ken Shellberg, Ken 01.Jun.20 english  
  Tungsram 1500R   647 3 Jancsek, Ottó Jancsek, Ottó 18.Mar.20 english  
  Tungsram OS66   838 3 Jancsek, Ottó Jancsek, Ottó 11.Mar.20 english  
  Röhre 5881WXT   675 2 Schaufelber..., C. Schaufelber..., C. 07.Nov.19 deutsch  
  A tube which is not known by...   887 6 Jancsek, Ottó Jancsek, Ottó 04.Nov.19 english  
  Unknown tube   996 2 Selyem-Tóth, S. Selyem-Tóth, S. 09.May.19 english  
  Please help me to identify t...   951 2 Jancsek, Ottó Jancsek, Ottó 19.Apr.19 english  
  Beantwortet !! (Wer kennt di...   1000 3 Lidschreibe..., W. Lidschreibe..., W. 06.Mar.19 deutsch  
  Wer kennt diese Röhre, bitte...   1293 2 Haindorfer, Josef Haindorfer, Josef 11.Jan.19 deutsch  
  Unbekannte russische Elektro...   964 2 Mahrholz, Uwe Mahrholz, Uwe 26.Dec.18 deutsch  
  blaue Röhren   1327 2 Haas, Joachim Roschy, Jacob 17.Sep.18 deutsch  
  unbekannte Röhre   899 1 Haas, Joachim Nagel, Bernhard 17.Sep.18 deutsch  
  PL81 and PL81A wich is the d...   1341 2 Feniello, G. Feniello, G. 27.Jul.18 english  
  Do you have an Acme brand tu...   924 2 Anderson, Larry Hippenstiel, Mark 09.Jun.18 english  
  Wer kennt Glühfa GmbH?   967 1 Löwe, Nikolaus Löwe, Nikolaus 01.Jun.18 deutsch  
  Unknown Telefunken Röhren   1221 2 Selyem-Tóth, S. Selyem-Tóth, S. 20.Nov.17 deutsch  
  Prüfkarte Funke W19   1242 4 Klöckner, Alfred Klöckner, Alfred 10.Sep.17 deutsch  
  Unknown metal-mazda valve   1088 2 van Dijk, N. van Dijk, N. 17.Jul.17 english  
  Unbekannte OSRAM-Röhre 10K. ...   1541 2 Eckardt, Wolfgang Eckardt, Wolfgang 07.Jul.17 deutsch  
  Marconi tube ID   4746 3 Nikolic, Dragan Nikolic, Dragan 11.Jun.17 english  
  Which tube is this   1330 2 van Dijk, N. van Dijk, N. 04.Jun.17 english  
  Barkhausen-Kurz-Röhre neu im... 9 Rating Ø 4.5 2616 0 Eckardt, Wolfgang Eckardt, Wolfgang 14.Nov.16 deutsch  
  Unknown tube of peculiar des...   1603 2 Rada, Peep Jung, Otmar 03.Oct.16 english  
  Unknown RCA tube   1843 1 Nagel, Bernhard Nagel, Bernhard 18.Aug.16 english  
  Unbekannte RCA Röhre   2195 2 Nagel, Bernhard Nagel, Bernhard 18.Aug.16 deutsch  
  Röhren RGL4002 und RGL7002   1950 2 Eckardt, Wolfgang Eckardt, Wolfgang 15.Jun.16 deutsch  
  Unidentified tube   2379 5 Momirov, Dejan Verheijen, Gidi 26.May.16 english  
  DR2000   1980 1 Schaufelber..., C. Jung, Otmar 06.May.16 deutsch  
  G257   2038 1 Schaufelber..., C. Jung, Otmar 03.May.16 deutsch  
  gibt es eine DM72 ?   2501 2 Bayer, Klaus Bayer, Klaus 07.Feb.16 deutsch  
  Unknown tube in Rohde & Schw...   3878 4 So, Allan Nagel, Bernhard 31.Jan.16 english  
  EM80 Fehldruck   3157 4 von Bechen ..., P. Knoll, Hans M. 11.Dec.15 deutsch  
  EAF80   3953 6 Borrmann, R. Holtmann, W. 07.Oct.15 deutsch  
  Siemens LS81 ('Hantel')   3690 0 Dassow, Achim Dassow, Achim 21.Jun.15 deutsch  
  Wer kennt die Röhre? Glaskol...   19591 2 Reuther, Andreas Reuther, Andreas 27.Jul.14 deutsch  
  Unknown tube   3288 1 Spic, Jan Roschy, Jacob 30.Jun.14 english  
  Gridless tube from 1938   6857 4 Sousa, Joe Rudolph, Dietmar 30.May.14 english  
  Gitterlose Röhre von 1938 11 Rating Ø 4.5 6464 3 Rudolph, Dietmar Rudolph, Dietmar 29.May.14 deutsch  
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