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Banker, businessman, engineer, and inventor. Known for. regional transportation systems, electric power, extraction technologies, electric third rail. Alvan Markle (August 29, 1861 – March 19, 1931) was an American banker, businessman, engineer, and inventor based in Hazleton, Pennsylvania. He was the son of George Bushar Markle (1827–1888 ...
FIPS code. 42-33408. Website. www .hazletoncity .org. Hazleton is a city in Luzerne County, Pennsylvania, United States. The population was 29,963 at the 2020 census. Hazleton is the second-most populous city in Luzerne County. [ 3] It was incorporated as a borough on January 5, 1857, and as a city on December 4, 1891.
The "2201" was released in 1966 and was Bose's first speaker system. [20] It consisted of 22 five-inch drivers and was designed to be located in the corner of a room, using reflections off the walls and floor to disperse the sound. [21] The system included tone controls and a switch to attenuate frequencies below 50 Hz.
The Speaker of the House of Representatives or their designated speaker pro tempore holds sessions of the House. The President of the Senate is the Lieutenant Governor, who has no vote except in the event of tie in the Senate, where the vote is 25-25. The legislature meets in the Pennsylvania State Capitol in Harrisburg.
The Leslie speaker is a combined amplifier and loudspeaker that projects the signal from an electric or electronic instrument and modifies the sound by rotating a baffle chamber ("drum") in front of the loudspeakers. A similar effect is provided by a rotating system of horns in front of the treble driver. It is most commonly associated with the ...
Rectilinear Research Corporation was a manufacturer of loudspeakers. The company was formed around 1966 and its principal was Morris I. Wiener (alt. sp. "Weiner") of Plandome Manor, New York. [ 1] The first known main office location for the company (1966–68) was at 30 Main Street, Brooklyn, New York. [ 2] Some time around 1968, the company ...
Thiele/Small parameters (commonly abbreviated T/S parameters, or TSP) are a set of electromechanical parameters that define the specified low frequency performance of a loudspeaker driver. These parameters are published in specification sheets by driver manufacturers so that designers have a guide in selecting off-the-shelf drivers for ...
PMC speakers: United Kingdom Polk Audio: United States ProAc: United Kingdom PSB Speakers: Canada QSC Audio Products: United States Quad Electroacoustics: United Kingdom (brand) Radio Shack: United States RCF audio: Italy Rectilinear Research Corporation: United States Rega Research: United Kingdom Renkus-Heinz: United States ReVox: Switzerland ...