Originally Posted by dave a
"crt marked as 490hb22."
Quote:
Originally Posted by NewVista
= 19"?
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I believe so, in this time frame IIRC, the number represented the exterior diagonal of the CRT bottle in mm, so 490 would be 19.29 inches... likely the screen display diagonal was about 18.5 inches.
Example: an early 12 inch Trinitron CRT was the 330ab22. 330 divided by 25.4 equals 12.99 inches... the screen display diagonal was slightly less than 12 inches.
jr