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History of the manufacturer  

Unknown - CUSTOM BUILT: Europe - see text

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Name: Unknown - CUSTOM BUILT: Europe - see text    (EU)  
Abbreviation: unknown9
Products: Model types Tube manufacturer

We put all unknown Europe models together, Custom built or not. Experience was, that a clear separation was not feasible.


This manufacturer was suggested by Konrad Birkner † 12.08.2014.

Some models:
Country Year Name 1st Tube Notes
EU  50 Radex Unknown 12SA7   
EU  63 Hearing aid M G S/77   Hearing aid. Internal magnetic microphone. Output for earphones. 
EU  99 Wegavox Monaco 3 TX   Wegavox Monaco 3 TX 21" VHF/UHF PAL/Secam B/G color system. Made in Turkey, probab... 
EU  60 Generatore d'onda sinusoidale EF40  Strumento generatore d'onda sinusoidale regolabile. La regolazione della frequenza avvi... 
EU  70 Reader's Digest - All Transistors 404   Hersteller unklar, Italien oder Schweiz. Manufacturer unclear, Italy or Switzerland ... 
EU  78 Yendi FM/AM Radio U.K. Design Reg. No 983206   Yendi FM/AM Radio - volume control - telescopic antenna - transport handle. See also si... 
EU  27 Record Kristallmottagare - Crystal Receiver - Detektorempäng   Detektor-Empfänger mit Marke/Hersteller-Bezeichnung Record. Ursprungsland derzeit nicht be... 
EU  78 Solid State TV   Schwarz -weiss Fernseh-Empfänger für VHF Band I, III und UHF-Empfang eingerichtet. 4 Prog... 
EU  91 Multi-Band Receiver CTX 4600   7 Kurzwellen-Bänder vorhanden. 
EU  65 Samuray 7 Trs. AF170  Has 6 Transistors and one diode starting with AA.., so the front reads 7 trs. Manufacture...