As you can see on the tube base is written "036" and "A.25.52" "F8.0". The anodes are big and flat... The base is like on AZ1, but I cant't find similar AZ1 to this...
Looks like German socket.
AZ36?
I never heard of such tube. May be AZ11?
Edit:
Here is some interesting document:
http://www.radiomuseum.org/forumdata/upload/RCRcmpl.PDF
AZ36?
I never heard of such tube. May be AZ11?
An externally hosted image should be here but it was not working when we last tested it.
Edit:
Here is some interesting document:
http://www.radiomuseum.org/forumdata/upload/RCRcmpl.PDF
I am almost sure it is an AZ4. This one has a P-socket and has abot the same ratings as a RGN2004.
BR
Rob
BR
Rob
to be even more specific: I think it is a Tungsram AZ4. The plates are placed really close together, almost in the center of the glass-bulb. I only have seen Tungsram tubes having this structure..
BR
Rob
BR
Rob
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