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For a speaker to efficiently produce sound, especially at lower frequencies, the speaker driver must be baffled so that the sound emanating from its rear does not cancel out the (intended) sound from the front; this generally takes the form of a speaker enclosure or speaker cabinet, an often rectangular box made of wood, but sometimes metal or ...
Moving iron speaker Moving iron sounder. The moving iron speaker was the earliest type of electric loudspeaker. They are still used today in some miniature speakers where small size and low cost are more important than sound quality. A moving iron speaker consists of a ferrous-metal diaphragm or reed, a permanent magnet and a coil of insulated ...
This is a list of notable manufacturers of loudspeakers. In regard to notability , this is not intended to be an all-inclusive list; it is a list of manufacturers especially noted for their loudspeakers and which have articles on Wikipedia.
The innovative speaker case is made from Alphacrystal, a stone/resin mould. It tapers to the rear in a way that there is no traditional back panel anymore. In 1989 the Celestion 3 with metal dome tweeter was introduced. It set new performance standards for low-cost quality hi-fi loudspeakers, highly acclaimed by both public and critics.
A horn loudspeaker is a loudspeaker or loudspeaker element which uses an acoustic horn to increase the overall efficiency of the driving element(s). A common form (right) consists of a compression driver which produces sound waves with a small metal diaphragm vibrated by an electromagnet, attached to a horn, a flaring duct to conduct the sound waves to the open air.
Hard grilles can be made from many types of construction material including metal, wood or plastic. Some solid grilles are made from a board or sheet of material with holes drilled or cut for the sound to pass, while others are made with thin strips of material either crosshatched together or equally spaced in parallel.