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OTK-...

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ID = 66433
       
Country:
Soviet Union
Brand: Common type USSR (SU) tube/semicond.
Tube type:  LOCKED OFF PART (CODE 9) - see in Notes 
Identical to OTK-...

Description

OTK ... is not a tube designation, it's the control stamp of the inspection body for Soviet tubes

 
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su_odk83.jpg

 

You reach this tube or valve page from a search after clicking the "tubes" tab or by clicking a tube on a radio model page. You will find thousands of tubes or valves with interesting links. You even can look up radio models with a certain tube line up. [rmxtube-en]
  

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