open reel


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open reel

A reel of magnetic tape. It typically refers to half-inch open reels that still remain in the archives of many data libraries. In the 1950s, before the 8-bit byte, 7-track tapes (seven parallel tracks) were used to accommodate a 6-bit character plus parity. Starting in the 1960s, 9-track tapes were used to support the byte. See half-inch tape and magnetic tape.


The Venerable Open Reel
Practically extinct today, open reels were the common means of computer storage from the 1950s to the 1970s. The earlier drives required manual threading of the tape onto the empty takeup reel.
References in periodicals archive ?
com) Bargain open reel device with four sockets plus safety reset button.
In another instance, one of my long-time audiophile friends who has collected classical music in both the LP and open reel tape formats has said many times that his two-track reels leave the LP version in the dust when it comes to dynamic range.
Most of the footage was shot in black and white by a college student who was experimenting with open reel video recording at the time.
With its entry into HD DVD, Pony Canyon continues a long tradition of launching package video software for consumer market that dates back as far as the days of open reel tape.