Beijing 797 Audio Co. Ltd was originally founded in 1952 with the help of Germany. The company not only produces professional electric-acoustic equipments but also develops, manufactures and sells the electric-acoustic systems. The distinguished business culture was formed by the long history and a team of excellent technicians and the managers are growing with it.
The company has the biggest anechoic chamber in Asia and first-class testing laboratory and audition room. She is one of new technique research and development centers of Beijing city and has dozens of B&K electric-acoustic testing equipments and digital DASS testing systems. The company has passed the authentication of ISO 9001 Quality System; many products of the company have passed CE authentication of Europe and 3C authentication of China. She has been designated as the high-tech enterprise of Beijing city in 1999.
The products of the company include condenser microphone, dynamic microphone, electret microphone, standard measurement microphone, loudspeaker system, common electric-acoustic equipments, power amplifier series and audio frequency subsidiary equipments (assistant equipment of audio) etc. At the same time, the company has also been engaged in expanding sound, video frequency and digital network projects. Some products were listed on the national plans of new products and many patent rights of products have been obtained. Products are selling well in Europe, U.S.A, Australia etc.
In recent years, more than 150 electric-acoustic projects have been completed by the company, such as the 50th Anniversary Celebration of PRC, The Asian Games, the World Conference of Women and Universiade etc. The abundant experience and technology accumulation have been obtained in the aid foreign construction to more than 50 foreign countries from China.
The tenet of the company is: faith, respect, innovation, services. We will serve customers wholeheartedly.
product overview:
Microphones Condenser, Microphone,
Dynamic Microphone,
Electret Condenser Microphone,
Measuring Condenser Microphone,
Mic Cartridge,
Power Amplifier:
Pre-amplifier Series,
Professional power amplifier Series,
Wired broadcast Series,
Peripheral Equipment,
Congress Series,
Community Professional Loudspeakers has been a leading supplier of professional sound systems since 1968. Headquartered in Chester, Pennsylvania, Community distributes its products worldwide in over fifty countries.
In the mid 1960s music was on the move. The growing "rock revolution," and the need to bring its explosion of new musical styles and messages to audiences around the world, demanded an evolution in the technology of touring sound: lightweight, mobile systems able to reproduce the depth and complexity of the music with absolute impact and clarity. Communication had become the critical factor in live sound.
Bruce Howze, a creatively inclined loudspeaker designer working in Pennsylvania with influential bands such as Jefferson Airplane, was keenly aware that 2-way sound systems based on equipment from movie theaters were no longer viable. These had unacceptable limitations in coverage, clarity, and portability, largely due to their massive size, weight, and the lack of midrange output of their loudspeakers, a result of their limited 2-way design ...
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Apogee is a leading manufacturer of high-quality digital audio conversion systems.apogee, apogee electronics, apogee digital, digital audio, converters, digital, audio, quality, A/D, D/A, ADC, DAC, professional
Andy Lawrence Microphones - Home Page.
Studio/broadcast large diaphragm microphones. Great vintage sound. Professional microphones hand made in the UK. We make the lot, diaphragms, capsules, electronics and cases. No Chinese capsules here!
Gold Vacuum evaporated Melonex membrains, critically tensioned & heat treated to ensure extreme stability over many years. Each hand-built Capsule has over 250 matching operations.
Valve (tubes for you people in the US) electronics feature a selected triode impedence converter, with current feedback driving a large expensive transformer.
The mic exhibits a smooth extended high-frequency response with good front to back rejection.
The power supply is fully smoothed and regulated. A prescence switch and a 10db cut are incorporated. Fixed cardoid directional pattern.
Altec Lansing is a leading manufacturer and marketer of high quality computer and home entertainment sound systems, and a line of headsets, headphones, and microphones for personal digital media.
Established in 1937, today Altec Lansing Professional is a leading manufacturer of high performance, high quality professional audio systems and components. Altec Lansing traces its history to the group of Western Electric® engineers who developed the first commercial professional sound system for the movie "The Jazz Singer" starring Al Jolson. This "talkie" revolutionized motion picture sound, and marked the starting point of the twentieth century audio revolution.
Altec Lansing celebrates the company's rich heritage in the professional audio industry. Our history of technological innovation is unmatched. Learn more about Altec Lansing's Heritage via our heritage timeline.
True to its heritage, Altec Lansing echoes the sentiments of Mr. Jolson, who sang to the movie audiences of 1929, "you ain't heard nothing yet!"
Altec Lansing's technological developments in acoustical and electronic components have earned the company a place of prominence in sound reproduction. The dominance of Altec Lansing's products over the years in Houses of Worship, Sports Stadiums, Arenas, Airports, Auditoriums, Amusement Parks, and more recently on desktops within homes and in the workplace, attests to this fact.
Altec Lansing Professional speaker systems have formed the backbone of the sound systems in such world renowned places as The United Nations Building, both the Lillehammer & Sarajevo Winter Olympics, The Louisiana Superdome, the Hong Kong Convention Center, the Hyatt Regency Waikoloa Hotel in Hawaii, the Meadowlands Sports Complex and DFW International Airport, to name a few.
Today, Altec Lansing Professional speakers appear in myriad environments, addressing the wide array of needs for quality sound reinforcement.
Join us on a decade-by-decade tour of Altec Lansing's heritage.
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