GAtes Sa-39 which tube is the detector tube?

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Between metal and glass versions there is no difference. Yes, metal can look a little strange in comparison with others.
 
korneev said:
Between metal and glass versions there is no difference. Yes, metal can look a little strange in comparison with others.
  Yes I did some research ...and 1 thing I found is depending on the vintage of the piece you may have to add extra grounding when you use a glass tube because the metal tube has a grounding pin built as part of it. So I ordered an N.O.S. 6h6 RCA metal body..I'll post if that gets the Gates working again.
 

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