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In Reply to: Is this a fake Amperex? posted by ceveland@gmail.com on July 12, 2014 at 08:49:15:
So I just put this tube under our Vision Mantis Stereo Microscope.
There is absolutely no date code on this tube in the form of etching. Maybe one was stamped on and then worn off but nothing was etched into the glass. There are some spots of white on the side of the tube where there may have been lettering that is long gone. Under the microscope I can clearly tell the logo and lettering is a sort of paint but whatever it is it is strong. My finger nail cannot get any of that paint off. I'd have to use a metal pick or something (which I'm not willing to do). If this paint is so strong why was the date code not stamped with the same material?
I dropped the tube off today with a guy I recently met locally. He feels after looking at the tube that it is indeed a legit vintage tube that is a amperex badged Philips tube. He thinks this could have been used by amperex in a sale and that it was common practice. I left the tube with him and should get some more input soon.
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Follow Ups
- RE: Is this a fake Amperex? - Amish 22:25:09 07/15/14 (0)