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12F

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ID = 46507
       
Country:
Japan
Brand: Common type Japan tube/semicond.
Tube type:  Half-Wave Vacuum Rectifier   Power-supply 
Identical to 12F
Successor Tubes 5MK9  

Was used by Radio/TV-reception etc.
Filament Vf 5 Volts / Direct

k_4etc.gif
12F: Typische Schaltundsschema Netzteil mit SiebWiderstand, 12F
Anonymous 1038 Collector
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12f.png 12F: Röhre ist 3Pin Sockel 4stift UX Sockel Verwenden
Anonymous 1038 Collector

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hitachi_receiving_tube_ct_578~~8.png
12F: Hitachi Receiving Tube ct 578
Anonymous 1038 Collector

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Usage in Models 1= 1938?? ; 1= 1938? ; 1= 1940 ; 1= 1948 ; 1= 1949 ; 2= 1952??

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):7

Collection of

Collection of a member from CH
 
bild_des12f_toshiba_roehre.jpg

 

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