[CJVx]

Hello, I have a working Crosley 307TA, roughly the same as my RCA 8TS30. The NOS tube I have is a GE black daylight branded 10BP4A. I’ve had the existing CRT out of the set many times and am familiar with aligning its electromagnetic ion trap to get the best picture, however, I get no picture on this new CRT with or without the ion trap. I’m afraid to leave it running very long as I hear you can damage the CRT if the ion trap is not installed correctly. Looking at the neck, the gun looks very different on this new one, it does not have the ion trap flags. The other 10BP4’s have so this leads me to think that this one does not use an ion trap. Would that be possible? Hi attached a picture of the new tube’s gun