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The Apple II moved the cassette interface onto the motherboard and made several changes to the format. The mark and space signals remained the same as in the original version, but the header was now ten seconds at 770 Hz followed by a new "sync tone" of one half cycle of 2500 Hz and one half cycle of 2000 Hz.
Dual began producing turntables under that name the same year. [1] [2] After World War II, Dual became the biggest manufacturer of turntables in Europe, with more than 3,000 employees working in several factories. Throughout the 1970s, 1980s, and 1990s, Dual introduced audio cassette players, VCRs, CD players, and other consumer electronics.
The IBM 7340 Hypertape drive, introduced in 1961, used a dual reel cassette with a 1-inch-wide (2.5 cm) tape capable of holding 2 million six-bit characters per cassette. [ citation needed ] In the 1970s and 1980s, audio Compact Cassettes were frequently used as an inexpensive data storage system for home computers , [ b ] or in some cases for ...
Cassette decks reached their pinnacle of performance and complexity by the mid-1980s. [citation needed] Cassette decks from companies such as Nakamichi, Revox, and Tandberg incorporated advanced features such as multiple tape heads and dual capstan drive with separate reel motors. Auto-reversing decks became popular and were standard on most ...
The Dragon cassette deck used a special circuit for azimuth adjustment called "Nakamichi Automatic Azimuth Correction" (NAAC) to find the best sound for each recorded cassette tape, however because it was both expensive to manufacture and more complex as well as difficult to both service and maintain, Nakamichi sought to produce a new deck with ...
The first boombox was developed by the inventor of the audio compact cassette, Philips of the Netherlands.Their first 'Radiorecorder' was released in 1966. The Philips innovation was the first time that radio broadcasts could be recorded onto cassette tapes without the cables or microphones that previous stand-alone cassette tape recorders required.
The Compact Cassette, also commonly called a cassette tape, [2] audio cassette, or simply tape or cassette, is an analog magnetic tape recording format for audio recording and playback. Invented by Lou Ottens and his team at the Dutch company Philips , the Compact Cassette was released in August 1963.
The system lacked any sort of defined file format for general purpose files, but it did define a file format for bootable cassettes. This consisted of six bytes at the start of the file. The first of these bytes was unused filler. The second byte held the number of packets in the file, allowing up to 255 packets, or 32 kB of data.