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Drum memory was a magnetic data storage device invented by Gustav Tauschek in 1932 in Austria. [1] [2] Drums were widely used in the 1950s and into the 1960s as computer memory. Many early computers, called drum computers or drum machines, used drum memory as the main working memory of the computer. [3]
At the time of their introduction the storage capacity exceeded any other random access mass storage disk or drum. There were three models of FASTRAND drives: FASTRAND I had a single drum. The large mass of the rotating drum caused gyroscopic precession of the unit, making it tend to spin on the computer room floor as the Earth rotated under it ...
E-mu SP-12. The E-mu SP-12 is a sampling drum machine. [1] Designed in 1984, SP-12 was announced by E-mu Systems in 1985. [2] Expanding on the features of E-mu’s affordable and commercially successful Drumulator, a programmable digital drum machine, SP-12 introduced user sampling, enabling musicians to sample their own drums and other sounds.
The E-mu SP-1200 is a sampling drum machine designed by Dave Rossum and released in August 1987 by E-mu Systems. Like its predecessor, the SP-12 , it was designed as a drum machine featuring user sampling.
The IBM 2301 is a magnetic drum storage device introduced in the late 1960s to "provide large capacity, direct access storage for IBM System/360 Models 65, 67, 75, or 85." The vertically mounted drum rotates at around 3,500 revolutions per minute, and has a head-per-track access mechanism and a capacity of 4 MB.
The Linn 9000 was Roger Linn's first attempt to create an integrated sampling/sequencing/MIDI workstation, but it was plagued with problems from the beginning. [5] [6] On early models, the power supply over-heated the CPU and had to be replaced under warranty, but insurmountable issues with the Linn 9000's operating system forced its eventual demise.
This later device shares the control array and display of the DR-220, with the addition of a MIDI In port. The MkII version had access to 91 16-bit drum sounds, allowing the user to control parameters of each sample such as decay length and filtering. It had 64 preset patterns and room for 64 user-created patterns.
The Forat F9000 (also known as the Forat 9000 or F9000) is a software- and hardware-upgraded version of the ill-fated Linn 9000, an integrated digital sampling drum machine and hardware MIDI sequencer manufactured by Linn Electronics and released in 1984 at a list price of $5,000 ($7,000 fully expanded).