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Nakamichi was the first to use a three-head recording technique in a cassette deck. [citation needed] Separate tape heads were used for playback, recording, and erase.. Previously the playback and recording functions were combined in a single tap
Two basic systems were developed to drive the tape across the recording head: spool drive and capstan-drive. [11] [12] Most tape recorders move the tape by pinching and pulling it between a motorized capstan, a rotating metal shaft or spindle, and a larger rubber idler roller, called a pinch wheel or pinch roller. This ensures tape speed ...
[2] [3] [4] This became the most common type, used in many applications from high-quality recording and lavalier use to built-in microphones in small sound recording devices and telephones. Modern electret microphones use PTFE plastic, either in film or solute form, to form the electret.
Record and replay heads are traditionally made of soft iron (the softness is an essential requisite for good record and replay characteristics). This material features extremely good electro-acoustical properties, but wears away fairly rapidly with a consequent deterioration of performance.
The following is a list of defunct microphone manufacturers with articles. Aiwa; Altec Lansing; American Microphone; Ampex; Astatic; Brush Development Company; Dynaco ...
A stereo microphone is often used for broadcast applications or field recording where it would be impractical to configure two separate condenser microphones in a classic X-Y configuration (see microphone practice) for stereophonic recording. Some such microphones have an adjustable angle of coverage between the two channels.
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 ...
DASH is capable of recording two channels of audio on a quarter-inch tape, and 24 or 48 tracks on 1 ⁄ 2-inch-wide (13 mm) tape [1] [2] [3] on open reels of up to 14 inches. The data is recorded on the tape linearly, [ 4 ] with a stationary recording head , [ 5 ] as opposed to the DAT format, where data is recorded helically with a rotating ...