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BeatsAudio (OEM in certain FCA/Stellantis models such as the Chrysler 300 and Volkswagen models such as the Volkswagen Jetta) Blaupunkt (also an OEM option for the 2004–2006 Pontiac GTO and 2008–2009 Pontiac G8) Rockford Fosgate (available as OEM equipment on select Mitsubishi models)
[39] [40] Both products were 5.0 passive systems, with the Acoustimass 6 using "single cube" satellite speakers [41] and the Acoustimass 10 using "double cube" satellite speakers. [ 42 ] The "Acoustimass 15" 5.1 is a true 5.1 system was sold from 1998 until 2006 it includes an amplified sub, [ 43 ] and the "Acoustimass 16" 6.1 system was sold ...
Veritone Minimum Phase Speakers: United States Vifa: Denmark Wharfedale: United Kingdom (brand) Wilson Audio: United States Wilson Benesch: United Kingdom Yamaha: Japan Yorkville Sound: Canada ZR Speaker Lab: Slovenia Zu Audio: United States
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 ...
KEF introduced the world's first coincident-source speaker driver, called Uni-Q, in 1988, which is now in its 12th generation; and it is still featured in almost all its speakers today. KEF is the first company in the HiFi industry to use metamaterial to absorb the unwanted sound from the rear of a speaker driver; the technology is called ...
A rotary woofer is a subwoofer-style loudspeaker which reproduces very low frequency content by using a conventional speaker voice coil's motion to change the pitch (angle) of the blades of an impeller rotating at a constant speed. The pitch of the fan blades is controlled by the audio signal presented to the voice coil, and is able to swing ...
When acting as such, the Saudi government would increase or decrease oil production to maintain a more stable price. [7] Saudi Arabia produced 10.3 million barrels per day (1.6 × 10 ^ 6 m 3 /d) (Mbbl/d) in 1980, 10.6 Mbbl/d in 2006, [8] and in the region of 9.2 Mbbl/d in 2008. [9]
On 8 March 2020, Saudi Arabia initiated a price war on oil with Russia, which facilitated a 65% quarterly fall in the price of oil. [1] The price war was triggered by a break-up in dialogue between the Organization of the Petroleum Exporting Countries (OPEC) and Russia over proposed oil-production cuts in the midst of the COVID-19 pandemic. [1]