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The "301" bookshelf speakers were released in 1975. The Bose 301 Series II is a direct/reflecting speaker system. It includes “bass effects” through a 8-inch woofer and surround sound effects through its asymmetrical design. Dual frequency crossover network in the Bose 301 Series II improves sound clarity by optimizing output frequencies. [30]
Bose store in Century City Bose store at the Hong Kong International Airport. The company was founded in Massachusetts in 1964 by Amar Bose with angel investor funding, including Amar's thesis advisor and professor, Y. W. Lee. [9] Bose's interest in speaker systems had begun in 1956 when he purchased an audio system and was disappointed with its performance. [10]
From about 1900 to the 1950s, the "lowest frequency in practical use" in recordings, broadcasting and music playback was 100 Hz. [9] When sound was developed for motion pictures, the basic RCA sound system was a single 8-inch (20 cm) speaker mounted in straight horn, an approach which was deemed unsatisfactory by Hollywood decisionmakers, who hired Western Electric engineers to develop a ...
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5 years J. S. Verma: 1997: Krishan Kant: 7 Pratibha Patil (born 1934) Maharashtra: Governor of Rajasthan: 25 July 2007 25 July 2012 5 years K. G. Balakrishnan [355] 2007: M. Hamid Ansari: 8 Pranab Mukherjee (1935–2020) West Bengal: Minister of Defence. Minister of Finance. Minister of External Affairs. 25 July 2012 25 July 2017 5 years S. H ...
The non-redox roles of NAD(P) were discovered later. [5] The first to be identified was the use of NAD + as the ADP-ribose donor in ADP-ribosylation reactions, observed in the early 1960s. [ 122 ] Studies in the 1980s and 1990s revealed the activities of NAD + and NADP + metabolites in cell signaling – such as the action of cyclic ADP-ribose ...
Dhaka (/ ˈ d ɑː k ə / DAH-kə or / ˈ d æ k ə / DAK-ə; Bengali: ঢাকা, romanized: Ḍhākā, pronounced ⓘ), formerly known as Dacca, [20] is the capital and largest city of Bangladesh.