How do CRT's age?

Paul Koning paulkoning at
Fri Aug 13 13:47:40 CDT 2021

I'm a bit confused by the wording.  Is the question "how well do they age if not used"?

I would say they should last pretty much indefinitely so long as the vacuum seal is correctly made and not cracked, and of course there is no other evidence of mechanical damage.


> On Aug 13, 2021, at 2:43 PM, Zane Healy via cctalk <cctalk at> wrote:
> Odd question, how well do CRT’s age?  Just the CRT, if what I think exists, is actually there, they’ve never been in Oscilloscopes.
> Zane

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