Quote:
Originally Posted by jr_tech
I found a few tubes in my unsorted box that did not have the usual locator bump on the side of the metal base. These were mostly labeled Zenith and GM, with one Admiral tube in the mix.... any idea who made them? 
jr |
If there is a 3-4 digit EIA code on them anywhere then it should be easy to tell...I've done that on some Silvertone badged CRTs I've had that I was curious about.