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The first commonly available increase in tape length resulted from a reduction in backing thickness from 1.5 to 1.0 mil (38 to 25 μm) resulting in a total thickness reduction from 42 to 35 μm (1.7 to 1.4 mils), which allowed 3,600 ft (1,100 m), 1,800 ft (550 m), and 900 ft (270 m) tapes to fit on ten-and-a-half-, seven-, and five-inch reels respectively.
Fidelipac was originally a 1 ⁄ 4-inch-wide (6.4 mm) analog recording tape, two-track format. One of the tracks was used for monaural program audio, and the other being used for a cue track to control the player, where either a primary cue tone was recorded to automatically stop the cart, a secondary tone was recorded to automatically re-cue the cart to the beginning of the cart's program ...
7-inch reel of ¼-inch-wide audio recording tape, typical of consumer use in the 1950s–70s. Magnetic tape is a medium for magnetic storage made of a thin, magnetizable coating on a long, narrow strip of plastic film. It was developed in Germany in 1928, based on the earlier magnetic wire recording from Denmark. Devices that use magnetic tape ...
A reel-to-reel tape recorder (Sony TC-630), typical of a 1970s audiophile device. Reel-to-reel audio tape recording, also called open-reel recording, is magnetic tape audio recording in which the recording tape is spooled between reels. To prepare for use, the supply reel (or feed reel) containing the tape is placed on a spindle or hub.
A comparison of sizes for the Microcassette and Minicassette Analog, 1 ⁄ 8 inch wide tape, used generally for note taking, mostly mono, some stereo (developed in the early '80s). 2.4 cm/s or 1.2 cm/s Minicassette: Analog, 1 ⁄ 8 inch wide tape, used generally for note taking, 1.2 cm / s: 1970 Quadraphonic 8-Track (Quad-8) (Q8)
From 1950 onwards, magnetic tape quickly became the standard medium of audio master recording in the radio and music industries and led to the development of the first hi-fi stereo recordings for the domestic market, the development of multi-track tape recording for music, and the demise of the disc as the primary mastering medium for sound ...
10 + 1 ⁄ 2-inch (270 mm) diameter reel of 9-track tape. IBM computers from the 1950s used ferric-oxide-coated tape similar to that used in audio recording. IBM's technology soon became the de facto industry standard. Magnetic tape dimensions were 0.5-inch (12.7 mm) wide and wound on removable reels.
The TASCAM 85 16B analog tape multitrack recorder can record 16 tracks of audio on 1-inch (2.54cm) magnetic tape. Professional analog units of 24 tracks on 2-inch tape were common, with specialty tape heads providing 8, or even 16 tracks on the same tape width (8 tracks for greater fidelity).