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Buy Used TT55 by RCF

TT55

RCF
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TT55 Line Array Speakers

RCF

RCF Line Array Speakers

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.
Speaker - A speaker is a device that converts an electrical signal into the equivalent air vibrations in order to make audible sound.. Used . . Used . ...

Pattern - Pattern refers to the shape, quality and evenness of a lamp's output. The pattern of light an instrument makes is largely determined by three factors. The first are the specifics of the bulb, reflecto. Used . r and lens assembly. Different mounting positions for the bulb (axial, base up, base down), different sizes and shapes of reflector and the nature of the lens (or lenses) being used can all a. Used . ffect the pattern of light. Secondly, the specifics of how the lamp is focused affect its pattern. In Ellipsoidal Reflector Spotlights (ERS) and their derivatives (see below), there are two beams of light emit...

Fresnel Lens - A Fresnel lens is a type of lens invented by Augustin-Jean Fresnel. Originally developed for lighthouses, the design enables the construction of lenses of large size and short focal length without th. Used . e weight and volume of material which would be required in a lens of conventional design.

The Fresnel lens (often pronounced FREZ-nell but usually the original fre-NELL in theatr. Used . ical and motion picture lighting applications) reduces the amount of material required compared to a conventional spherical lens by breaking the lens into a set of concentric annular sections known as Fresnel

Auxiliary Output - A seperate line level output from a sound console that is to be used for foldback or monitoring that does not use up another main output. Each in channel has a path to the Auxiliary bus. It is also . Used . useful to send a signal to a separate effects processor.
. Used . ...

Analog signal - An analog or analogue signal is any variable signal continuous in both time and amplitude. It differs from a digital signal in that small fluctuations in the signal are meaningful. Analog is usually t. Used . hought of in an electrical context, however mechanical, pneumatic, hydraulic, and other systems may also use analog signals.

The word "analog" implies an analogy between cause an. Used . d effect, voltage in and voltage out, current in and current out, sound in and frequency out.

An analog signal uses some property of the medium to convey the signal's information. For example, an ...

Line Array Speakers

Line array speakers make up a loudspeaker system to create a sound source that produces an evenly distributed sound output. The driver of each line array element is close enough to the driver of the next element to create constructive interference. The resulting sound waves go farther than sound waves from traditional loudspeakers. Line array systems date back to the early days of research in acoustics. Many old town halls and public venues still have old line source boxes which were found to project voice well though they are much smaller than horn-loaded speakers. These days, line array speakers use different drivers for high-, mid- and low-frequency passbands that must be in line. Each enclosure must be set up closely to form columns composed of these drivers. To increase the frequency range and maximum sound pressure, the number of drivers per enclosure must be increased. The orientation of line array speakers may vary. Vertical arrays are excellent for focusing sound at audiences without wasting output energy on ceilings or empty air above the audience because of its very narrow vertical output with a normally-wide horizontal pattern. On the other hand, horizontal line arrays have a very narrow horizontal output with a tall vertical pattern. For hanging concert speakers which are usually part of a concert reinforcement system, enclosures are set up together using a specialized rigging hardware and they hang from a single point. These line array speakers are curved backward at the lower portion so that the sound will reach more audience.
Popular Line Array Speakers
Never before has there been a commercially available curved array loudspeaker system that allows for no interference between speaker modules. Clair Brothers has been experimenting with the Curved Array Technology for over four years and has...
J subwooferThe J-SUB is an actively driven 2-way bass-reflex design housing three long excursion neodymium 18" drivers, two drivers face to the front and one driver to the rear. The cardioid dispersion pattern resulting from this approach...
J12
J12 loudspeakerThe J12 is a 3-way design housing 2 x 12" LF drivers, one hornloaded 10" MF driver and two 1.4" exit HF compression drivers with 3" voicecoils mounted to a dedicated wave-shaping device. The mechanical and acoustical design...
With the introduction of MILO in 2003, Meyer Sound started the most accurate, flexible, and usable family of line array products on the market. The subsequent introductions of MICA and M'elodie to the MILO family brought MILO's renowned sonic...

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MAC 700 Wash in great condition.

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grandMA Light in good condition.

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grandMA Full in great condition, has e...

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