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The Sams tube substitution handbooks have a CRT section. The latest one I have is Volume 16 and it's last copyright date is 1973, so it's probably going to cover most anything we're concerned with. It shows the 25 to 23V numbers ie. 25XP22 to a 23VALP22 etc but I don't see any 19V round numbers, as you said that was very late and Volume 16 may be a little old to show it.
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KAØSCR
Last edited by Randy Bassham; 07-28-2007 at 09:14 AM.
Reason: Addition
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