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History of the manufacturer  

Unknown - CUSTOM BUILT: Japan

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Name: Unknown - CUSTOM BUILT: Japan    (J)  
Abbreviation: unknown
Products: Model types Tube manufacturer
Summary:

If you dont know the maker please use UNKNOWN (not Custom built) as the "maker".

If it is surely a homebrew set, please distinguish between HB-contempary for sets done in their times and HOMEBREW - New but not Replica and HOMEBREW-REPLIKA.

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History:
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Some models:
Country Year Name 1st Tube Notes
J  60 Volmax 1,5 V - UM-3A   Made in Japan. 
J  60 Newmax Tubular Extension Speaker TS-25   Made in Japan. 
J  60 Usalite De Luxe Boys Radio 2 Transistors   AM Pocket Boys Radio Model USALITE De Luxe 2 Transistors. Made in Japan. 
J  68 Highwave Hi-Fi Deluxe 8 Transistor 8YR-809   Highwave Pocket AM Radio Model 8YR-809. Leather Case. Made in Japan. 
J  70 Invicta Cassette Recorder 50   Invicta Toploading Solid State Portable Compact Cassette Recorder Model 50. Built-In ... 
J  70 Play-Mate PM-1015   Play-Mate PM-1015 Solid State AC/DC Radio; Earphones jack, made in Japan. 
J  99 Doublet ID = 208351   Pocket AM Alarm Clock Radio Model Alpha Six Transistor. Carrying Case. Made in Japan. 
J  65 Durando Super Deluxe Model-654    
J  70 Cherry KS-208   Cherry KS-208 Dynamic Stereo Phones; 20 ... 15.000 Hz, 8 ohms, 0.2 W max. input, 6 feet c... 
J  60 WALES (wedge) 12BE6  Conelrad Markings (Civil Defense, CD) on the dial at 640 and 1240 kHz. For the US market.... 
J  70 Shaftesbury 12BE6  Conelrad Markings (Civil Defense, CD) on the dial at 640 and 1240 kHz. Nevertheless for th... 
J  70 JEL 12BE6  Conelrad Markings (Civil Defense, CD) on the dial at 640 and 1240 kHz. For the US market 
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