[R-390] Need tubes and help on a R-392

[Thomas Guest]

Hello,

I have a R-392 that I picked up a little while ago. After a couple of minor repairs the set works well.

I got around to checking the tubes and I have found that some of them are weak. I would like to try swap in some new tubes to see if I can get it to work better.

Would anyone have these tubes for sale or know of where to find them?

4-26A6 
2-26C6 
1-26D6 

Also when I got the set working it seems to be off on the frequency display by about 10 kHz. The counter seems correct from fully clockwise to fully counter clockwise. Does this mean the cams in the gear train need to be aligned or is there something else I should be looking into?


Thanks in advance.
Tom Guest

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