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This list of car audio manufacturers and brands comprises brand labels and manufacturers of both original equipment manufacturer (OEM) and after-market products generally related to in-car entertainment that already have articles within Wikipedia. While components sold by these companies have much in common with other audio applications or may ...
dB drag racing is a competition rewarding the person who can produce the loudest sound inside a vehicle. [1] [2] The "dB" means decibels of sound pressure level (SPL).In these competitions, SPL of over 140 decibels is common; and the international record in 2003 was 171.5 dB, with records as high as 180 dB claimed more recently.
The Car Audio Sports Organization is MECA (Mobile Electronics Competition Association, Inc.) started in 1999. SQL (Sound Quality League) focuses on high performance musical systems: Sound Quality (SQ and SQ2), custom installs, and RTA Freq-Out contests. Vehicles are classified by audio system complexity of design.
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 ...
A bespoke stereo system including a CD changer, CD head unit, amplifier, uprated door speakers and an acoustic rear shelf containing 200W 6x9 speakers was specified by Clarion. One was raffled at a Radio 1 event, and Radio 1 ran a competition on air to win one.
Since the audio amplifier only changes the pitch of the blades, it takes much less power, per dB of generated acoustic sound level, to drive a rotary woofer than to power a conventional subwoofer, which uses a moving electromagnet (voice coil) placed within the field of a stationary permanent magnet to drive a cone which then displaces air.
The first and simplest method is using a surround sound recording technique—capturing two distinct stereo images, one for the front and one for the back or by using a dedicated setup, e.g., an augmented Decca tree [20] —or mixing-in surround sound for playback on an audio system using speakers encircling the listener to play audio from ...
Wards 10 Best Engines is an annual list of the ten "best" automobile engines available in the U.S. market, that are selected by Wards AutoWorld magazine. The list was started in 1994 for model year 1995, and has been drawn every year since then, published at the end of the preceding year.
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