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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.
The typical professional audio tape recorder of the early 1950s used 1 ⁄ 4 in (6 mm) wide tape on 10 + 1 ⁄ 2 in (27 cm) reels, with a capacity of 2,400 ft (730 m). Typical speeds were initially 15 in/s (38.1 cm/s) yielding 30 minutes' recording time on a 2,400 ft (730 m) reel.
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 ...
The Ampex 601 was a portable, analog, reel-to-reel tape recorder produced by The Ampex Corporation from the mid-1950s through the 1960s. Ampex manufactured a single-channel model (the 601) and dual-channel version (the 601-2). The suitcase-sized, 26 lb. unit was designed for the professional recording applications.
George H. Eash (May 11, 1911 – July 6, 1980) [1] [2] was an American inventor of several magnetic tape audio cartridges having a single tape reel.In 1950s he worked next desk to Bernard Cousino, who invented the endless tape loop, using it at first on an open reel.
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.
Wollensak Optical was an American manufacturer of audio-visual products located in Rochester, New York. At the height of their popularity in the 1950s and 1960s, many brands of movie cameras came with a Wollensak Velostigmat lens. Wollensak reel-to-reel tape recorders were prized for their robust construction and value.
Multitracking became possible in the mid-1950s when the idea of simultaneously recording different audio channels to separate discrete tracks on the same reel-to-reel tape was developed. A track was simply a different channel recorded to its own discrete area on the tape whereby their relative sequence of recorded events would be preserved, and ...
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