A recording head is the physical interface between a recording apparatus and a moving recording medium. Recording heads are generally classified according to the physical principle that allows them to impress their data upon their medium. A recording head is often mechanically paired with a playback head, which, though proximal to, is often discrete from the record head.
The two most common forms of recording head are:
Earlier systems, such as phonograph records, used mechanical heads known as styli to physically cut grooves in the recording medium, in a configuration (of size, width, depth and position) recoverable as sound.
D6 HDTV VTR Scanner and video head, removed
Type B videotape video Scanner Head
Quadruplex videotape Ampex AVR-2 Video Head
Sony U-Matic Video head
Ampex audio recorder
Nagra audio heads: erase, record and play
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