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-   -   Putting serial number on tubes (http://www.diyaudio.com/forums/tubes-valves/122311-putting-serial-number-tubes.html)

d1camero 1st May 2008 07:02 PM

Putting serial number on tubes
 
I have a ton of tubes for my amps. I now have a nice new tube tester and want to record the test results for each tube. I figure I'll keep the results on a spreadsheet and reference the tube by a number. It is easy for me to label the base of an 8 pin tube, but how can I put on something semi permanent onto a little 9 pin preamp tube, that won't screw with the tube or get mucked up by heat?

thanks
d1

HollowState 1st May 2008 07:39 PM

2 Attachment(s)
Tektronix used a simple paper label on their tubes that seems to hold up under the heat. I thought it might be metal foil, but close inspection confirms that it's just paper.

d1camero 1st May 2008 07:56 PM

duh? I feel silly. Your reply made me think of the label maker I have in the office. I just checked - they say the labels can handle "extreme tempaeratures"

http://www.brother.ca/en/p-touch/civ...nated_tape.asp

Not quite sure what "extreme" means, but I'll test it on a few (old) power tubes and find out!

thanks

Sherman 2nd May 2008 01:13 PM

Let us know how it works! I've got a Brother label maker and labeling various tubes makes a lot of sense.


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