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Polk designed the speaker system, and Klopfer built the cabinets. After it was discovered the producers of the convention could not afford the system, Klopfer designed a logo for Polk Audio and attached it to the speakers. Gross organized the marketing of Polk Audio and helped build Polk's worldwide dealer network.
Wireless speakers are loudspeakers that receive audio signals using radio frequency (RF) waves rather than over audio cables. The two most popular RF frequencies that support audio transmission to wireless loudspeakers include a variation of WiFi IEEE 802.11, while others depend on Bluetooth to transmit audio data to the receiving speaker. [1]
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 ...
Speakon connectors are designed to be unambiguous in their use in speaker cables. With 1/4" speaker jacks and XLR connections, it is possible for users to erroneously use low-current shielded microphone or instrument cables in a high-current speaker application. Speakon cables are intended solely for use in high current audio applications.
Speaker wire is a passive electrical component described by its electrical impedance, Z.The impedance can be broken up into three properties which determine its performance: the real part of the impedance, or the resistance, and the imaginary component of the impedance: capacitance or inductance.
James Knox Polk (/ p oʊ k /; [1] November 2, 1795 – June 15, 1849) was the 11th president of the United States, serving from 1845 to 1849.A protégé of Andrew Jackson and a member of the Democratic Party, he was an advocate of Jacksonian democracy and extending the territory of the United States.
"Polk Salad Annie" is a 1968 song written and performed by Tony Joe White. [1] Its lyrics describe the lifestyle of a poor rural Southern girl and her family. Traditionally, the term to describe the type of food highlighted in the song is polk or poke salad, a dish of cooked greens made from pokeweed . [ 2 ]
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