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The number of speakers can also vary: while entry-level models are limited to a single speaker, more elaborate models can offer two, and thus have stereo sound. Some wireless speakers add a passive radiator to improve low frequencies and achieve deeper sound. [3]
E.H. Scott Radio Laboratories is sometimes confused with H.H. Scott. E.H. Scott was founded in 1925 by Chicago resident Ernest H. Scott. Its first product was the World's Record Super 8, a TRF (tuned radio frequency) design with typical harness wiring with 16 gauge silvered solid core copper wire employed in an array configuration that was typical to radios at the time. This construction ...
Originally, the Model 10 was sold to law enforcement only. The concept of this shotgun was quite interesting to many police agencies who adopted the Model 10 in the late 1960s and early 1970s; however, most of the agencies found many shortcomings, and ultimately ceased using the Model 10. The most common problem was the failure to cycle correctly.
1947 – JBL has a 15" speaker (38 cm), model D-130, using for the first time a 4" (100 mm) voice coil in a speaker cone; 1949 – James. B. Lansing dies of suicide; William Thomas became president of the company; 1954 – The 375 compression engine is the first 4-inch engine sold; its response extends to 9 kHz
Previously equipped as the standard transmission on the Gladiator, the six-speed manual is gone for 2025, leaving behind the previously optional eight-speed automatic. Before this year, Jeep ...
A woofer or bass speaker is a technical term for a loudspeaker driver designed to produce low frequency sounds, typically from 20 Hz up to a few hundred Hz. The name is from the onomatopoeic English word for a dog's deep bark, "woof" [1] (in contrast to a tweeter, the name used for loudspeakers designed to reproduce high-frequency sounds, deriving from the shrill calls of birds, "tweets").
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 ...
Originally conceived as a domestic hi-fi speaker, the NS-10 was designed by Akira Nakamura and launched in 1978. [2] [3] While the speaker was poorly received, recording engineers came to rely on the NS-10 as a benchmark. The model was discontinued in 2001. [2] The NS-10 was recognised for its ability to reveal shortcomings in recordings. [4]