A 1977 RCA VBT-200 playing on a 1954 RCA CT-100

[old_tv_nut]

Originally Posted by Electronic M

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From what I have read betamax was designed in such a way that it couldn't flag wave up top... I've got many beta decks and haven't seen one do it.
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I would like to know how that worked without a time-base corrector. I can't think of a way you could guarantee the horizontal phase to match before and after the vertical head switch. I'd think it would be very sensitive to tape tension.