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UN-30M

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ID = 87236
       
Country:
Japan
Brand: Common type Japan tube/semicond.
Developer: Common type Japan tube/semicond. 
Tube type:  Triode, vacuum   Text 
Identical to UN-30M

Base UX-Base (4 Pins (2 thick, USA 1924, UX)
Was used by Radio/TV-reception etc.
Filament Vf 2 Volts / If 0.06 Ampere / Direct
Description

This tube was used as a Detector and Amlifier. Maker unknown

 
Information source -- Collector info (Sammler)   Dawn of Tube Production in Japan - Ohtsuka.

4_04~~1.png UN-30M: Fin Stewart
Fin Stewart


Just Qvigstad
 
un30m_toshiba_1933_uecm.jpg

 

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