The Philips V 2000 cassette also uses 12.5 mm (1/2in) tape and coplanar spools. It looks very similar to VHS cassette. The tape runs at a speed of 2.44 cm (0.95 in) per second. The major difference between V2000 and the VHS and Beta formats is that only half of a V 2000 tape width is used on each pass through the recorder; the cassette is then taken out, flipped over and put back in the recorder; the tape then passes through the machine in the opposite direction with the other half of its width used. This exactly parallels the situation for audio cassettes where only half the tape width is used on each pass. This approach doubles the playing time but it also means that twice as much video information has to be put onto that ...

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