Results 251 to 260 of about 27,501 (314)
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Loudspeaker system with stackable loudspeaker units
The Journal of the Acoustical Society of America, 2002A loudspeaker system includes at least two loudspeaker units. Each loudspeaker unit includes at least one loudspeaker mechanism mounted on a loudspeaker enclosure. The loudspeaker enclosure includes an outer cabinet body having an open front side, a closed rear side, opposed lateral walls, and opposed top and bottom walls, and an inner baffle frame ...
Waterson Chen, Chin-Lung Lin
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Horn loudspeaker and loudspeaker systems
The Journal of the Acoustical Society of America, 2004A horn loudspeaker comprises: a horn (22) having a throat (26) and a mouth (30); a primary electro-acoustic driver (24) mounted at or adjacent the throat of the horn and directed generally along the horn; and at least one secondary electro-acoustic driver (32T, 32B, 32L, 32R) mounted part-way along the horn and directed generally across the horn.
Oliver B. Wright +2 more
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Magnetic circuit for loudspeaker and loudspeaker comprising it
The Journal of the Acoustical Society of America, 2007A magnetic circuit comprises a yoke (10) wherein the bottom section (10b) of the yoke (10) is thicker than a cylinder outer peripheral section (10a). This magnetic circuit is constituted of the yoke, a magnet (2) joined to the bottom section of this yoke, and a top plate (3) joined to the top of the magnet to form a magnetic gap between the top plate ...
Kazuyoshi Umemura +3 more
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Loudspeaker and stereophonic loudspeaker system
The Journal of the Acoustical Society of America, 1979A loudspeaker has a rectangular casing providing a frontal wall in which are mounted a plurality of speaker mechanisms responding to differing frequency ranges. The high frequency speaker is oriented so that the axis of radiation is inclined upwardly and to one side of the normal to the front wall. In the preferred embodiments a lower frequency speaker,
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Application of N-Doped Three-Dimensional Reduced Graphene Oxide Aerogel to Thin Film Loudspeaker.
ACS Applied Materials and Interfaces, 2016We built a thermoacoustic loudspeaker employing N-doped three-dimensional reduced graphene oxide aerogel (N-rGOA) based on a simple template-free fabrication method.
C. Kim +5 more
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Evaluation of Loudspeaker-Based Virtual Sound Environments for Testing Directional Hearing Aids.
Journal of american academy of audiology, 2016BACKGROUND Assessments of hearing aid (HA) benefits in the laboratory often do not accurately reflect real-life experience. This may be improved by employing loudspeaker-based virtual sound environments (VSEs) that provide more realistic acoustic ...
Chris Oreinos, J. Buchholz
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The Journal of the Acoustical Society of America, 2007
This paper deals with the acoustic modeling and measurement of a needle-to-grid plasma loudspeaker using a negative Corona discharge. In the first part, we summarize the model described in previous papers, where the electrode gap is divided into a charged particle production region near the needle and a drift region which occupies most of the inter ...
Béquin, Philippe +3 more
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This paper deals with the acoustic modeling and measurement of a needle-to-grid plasma loudspeaker using a negative Corona discharge. In the first part, we summarize the model described in previous papers, where the electrode gap is divided into a charged particle production region near the needle and a drift region which occupies most of the inter ...
Béquin, Philippe +3 more
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High Efficiency Thermoacoustic Loudspeaker Made with a Silica Aerogel Substrate
Advanced Materials & Technologies, 2018The extremely low thermal effusivity of the silica aerogel is exploited to develop a high efficiency thermoacoustic (TA) loudspeaker with solid substrate.
P. La Torraca +8 more
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Loudspeaker, and module and electronic apparatus using the loudspeaker
The Journal of the Acoustical Society of America, 2008A loudspeaker is provided that satisfies requirements for both a small size and a high sound pressure. In addition, the heat capacity of the magnetic circuit and the heat dissipation of the voice coil are improved in this loudspeaker. Using at least two pieces of bar magnets ( 21 ), an outer magnet type magnetic circuit is structured in which the ...
Shigeru Tomoeda +2 more
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Loudspeaker enclosure with isolation of loudspeaker vibration
The Journal of the Acoustical Society of America, 1987A multi-chamber loudspeaker enclosure comprises a primary chamber having a principle interior volume and a secondary chamber having a minor interior volume substantially smaller than the principal interior volume. The secondary chamber comprises an elongated housing mounted to a front wall of the primary chamber.
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