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Used KR200s For Sale
KR200s Custom Speakers...or maximum linear excursion and Minimum noise problems. The ultra-Strong chassis ensures high resistance and durability alsowith hardestwork conditions. All the KR200s components are designed by K-array R&,D department and custom made under K-array control quality system. The system is ideal for theatrical sound reinforcement, concert halls, clubs, houses of worship, portable &, installed audio-visual systems, cinema &, Special Effects.
K-array Custom Speakers
Ampere - The ampere (symbol: A) is the SI base unit of electrical current equal to one coulomb per second. It is named after André-Marie Ampère, one of the main discoverers of electromagnetism.
Th. Used . e ampere is that constant current which, if maintained in two straight parallel conductors of infinite length, of negligible circular cross-section, and placed 1 metre apart in vacuum, would . Used . produce between these conductors a force equal to 2×10–7 newton per metre of length....
Zoetrope - Early device for creating the illusion of continuous motion. A sequence of still pictures was viewed rapidly through slits in a rotating drum so that the images appeared to merge. . Used . . Used . ...
Aberration - A flaw in a Lens that causes distorted images, especially towards the edge of the lens field. Compound lens construction and the use of small apertures can reducethese flaws. There are many types of a. Used . berrations, including chromatic, spherical, curvature of field, distortion, and elemental.. Used . ...
Fresnel Lens - A Fresnel lens is a type of lens invented by Augustin-Jean Fresnel. Originally developed for lighthouses, the design enables the construction of lenses of large size and short focal length without th. Used . e weight and volume of material which would be required in a lens of conventional design.
The Fresnel lens (often pronounced FREZ-nell but usually the original fre-NELL in theatr. Used . ical and motion picture lighting applications) reduces the amount of material required compared to a conventional spherical lens by breaking the lens into a set of concentric annular sections known as Fresnel