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TTS28-A Subwoofer

...rates as a semi charged horn loaded design which provides around 3 to 4 dB more efficiency.

RCF Subwoofer

RCF was founded in 1949 in Reggio Emilia, an Italian city with excellent mechanical and electronic industries. Over the years the company has established itself as a world leader in design, production and marketing of high technology Professional and Commercial Audio products. Throughout its history the company has continued to expand and diversify to satisfy every audio and musical amplification need: from single systems to big, complex projects. For sixty years the main administrative and production facility has been in Reggio Emilia where the company has a highly professional and specialized personnel. RCF markets its products through sales offices in the United Kingdom, Germany, France, Spain and United States. In the rest of the world the Company operates through a consolidated, capillary network of distributors. Today RCF employs more than 250 people and sells its products in more than 100 countries worldwide. Since 1995 the company has been ISO 9001 certified.

Software Console - Softare Lighting Consoles act just like hardware lighting consoles except that they are software driver and usually run off of a desktop or laptop computer accompanied by a DMX converter. Lighting con. Used . trol consoles (also called lighting boards or lighting desks) are electronic devices used in theatrical lighting design to control multiple lights at once. They are used throughout the entert. Used . ainment industry and are normally placed at the FOH position or in a control booth. All lighting control consoles can control dimmers which, in turn, control the brightness of the lights. Many modern consoles ...

Dimmer - Dimmers are devices used to vary the voltage running to a light. By decreasing or increasing the voltage to the lamp it is possible to vary the intensity of the lamp. Changes in intensity are called “. Used . fades” and can be “fade ups” or “fade downs.” Although variable-voltage devices are used for various purposes, the term dimmer is generally associated with lighting control. Small dimmers are. Used . seen more and more in the home. These have traditionally been actuated by direct control. The advent of X-10 technology is making remote control of home dimmers possible. A digital signal is imposed on the ho...

Mixers - A mixer is an electronic device for combining or "mixing" audio signals by routing and changing the level, tone, and/or dynamics of the audio signals. A mixer can mix analog or digital signals depend. Used . ing on the type of mixer. The modified signals are then combined to produce a unified signal output. Mixers can vary in size and function ranging from small format having a few inputs for a . Used . DJ to large format having dozens of inputs for studio recording....

Headsets and Beltpacks - Headsets are simply headphones with an attached mic, usually a noise canceling condenser mic, used for communicating with other crew members during a show or production. Beltpacks provide power to the. Used . headset and allow it to be used remotely. . Used . ...

Ampere - The ampere (symbol: A) is the SI base unit of electrical current equal to one coulomb per second. It is named after André-Marie Ampère, one of the main discoverers of electromagnetism.

Th. Used . e ampere is that constant current which, if maintained in two straight parallel conductors of infinite length, of negligible circular cross-section, and placed 1 metre apart in vacuum, would . Used . produce between these conductors a force equal to 2×10–7 newton per metre of length....

Subwoofer

Subwoofers are speakers that are designed to reproduce low-pitched or the bass frequencies typically ranging from about 20 to 200 Hz for consumer products, below 100 Hz for professional live sound, and below 80 Hz in THX-approved systems. These are complete loudspeakers intended to enhance the low frequency range of loudspeakers covering higher frequency bands. Subs, another term for subwoofers, are made up of one or more woofers in a loudspeaker enclosure capable of withstanding air pressure while resisting deformation. These subs require more power to operate because they are bigger (usually between 20.3 cm and 38.1 cm in diameter). Enclosures are available in a variety of designs that differ by efficiency, bandwidth, size and cost. Designs include bass reflex with a port or passive radiator in the enclosure, infinite baffle, horn-loaded, and band pass designs. A multimedia home theater system in low-cost compact plastic cabinet that is said to be a subwoofer is more appropriately called a bass driver because it is too small to produce deep bass. Subwoofers are also powered by amplifiers. Active or powered subwoofers are driven by a built-in amplifier. Passive subwoofers have an external amplifier, subwoofer drivers and enclosures. Subwoofers are popular because of they can pack a large, low frequency punch in a small space, providing a powerful audio experience like being in a movie theater or a concert venue. They are installed in cars or at home as part of a home theater system which is a more common application. In both cases, the subwoofer or low frequency speaker is not considered a stand alone device but helps to reinforce the higher pitched sound produced from the speakers.