EV SX80-BP

 
 ELECTROVOICE SX80-BP 175 watts, 2-way, 8 in. woofer with dual 1/4 in. connectors.

The Electro-Voice Sx80 is a compact, 2-way, high-efficiency, constant-directivity speaker system for sound reinforcement and monitoring. The small size, high sensitivity, and high power-handling capacity of the Sx80 make it an excellent choice for use in studios, clubs, bars, theaters, or other applications.

Through extensive use of computer-aided design and modeling, Electro-Voice engineers have developed a state-of-the-art professional loudspeaker system.

The high-frequency section of the Sx80 utilizes a molded-in 90 x 65 constant-directivity horn. This unique pattern contributes to high intelligibility and aims the speakers output where it is most useful. Vocals sound natural yet "cut through" in reverberant, noisy rooms. In addition, the coverage pattern is unusually uniform over its range of operation. The horn's unique, VariPath™ throat geometry helps direct driver output to the corners of the room, to points of cover-age not described in the usual specifications of horizontal and vertical coverage angles, and to parts of the audience that typically do not receive the strongest coverage.

One of the many other unique features of the Sx80 is the cabinet. Constructed of high-impact polystyrene it provides a stiff and extremely durable enclosure. The cabinet includes threaded inserts for the optional Sx80MB U-bracket and the optional Sx80 SM stand mount adapter kit. It also has inserts for installing with an OmniMount Series 75 mounting system.

The Sx80s high-frequency horn is driven by the DH2005 1 in. throat, wide-bandwidth, titanium-diaphragm driver. This driver uses a unique, convex-drive Time Path phasing plug structure (U.S. Patent #4,525,604) for smooth and extended high-frequency performance. The voice coil is coupled to the diaphragm with EV's exclusive Resonant Drive Technology. This increases and smooths the high-frequency response and reduces the amount of internal equalization required for flat frequency response, which extends to 20,000 Hz.

A self-resetting high-frequency protection circuit, EV's PRO circuit, is included with the Sx80 to prevent against accidental over-drive and improve system reliability. If the input power to the high-frequency driver exceeds the nominal rating, the protection circuit is activated and reduces the power delivered to the driver by 6 dB. The system will remain in this mode of operation until the input power is reduced to a safe level. The low-frequency section of the Sx80 is a 203mm (8 in.) direct radiating woofer in-stalled in an optimally vented enclosure. This results in exceptionally extended bass response and high efficiency in a very small cabinet.

Features • 8 in. woofer and DH2005 compression driver for great sound and reliable performance • Constant-directivity 90° x 65° high-frequency horn with VariPath™ geometry for uniform coverage • Ring-Mode Decoupling (RMD™) for increased intelligibility • 175-watt long-term rms power capacity • Molded-in attachment points allow for use with brackets or a stand mount • Paintable black

Ring-Mode Decoupling (RMD) Technology The Sx80 controls both acoustical and mechanical ring modes to provide dramatically increased intelligibility, using techniques learned from the development of the Electro-Voice X-array concert speakers. There is much less coloration of the sound from resonating sources, leaving only the in-tended sound to be heard by the audience. High-Frequency Protection Circuit The Sx80 crossover includes the Electro-Voice automatically resetting PRO circuit for high-frequency driver protection. This circuit permits short-term transients to pass, but protects the tweeter from long-term power extremes that would normally destroy the tweeter.

Enclosure Construction The Sx80 enclosure is constructed of very-durable High-impact polystyrene that is hard to dent, scratch, or break. This enclosure allows for molded in attachment points for the optional Sx80MB mounting bracket, Sx80SM stand mount, or for use with a OmniMount Series 75 mounting system. The enclosure is paintable to match any decor. It is recommended, however, that a small area should be tested with the desired paint in order to ensure that there are no adverse effects and that the paint has sufficient adhesion. Care should be taken not to get paint onto the woofer cone or into the horn throat.

Connections When Sx80s are connected in parallel, care should be used to be sure that the impedance does not become too low for the power amplifier being used. The nominal impedance of the Sx80 is 8 ohms.

Constant-Directivity Speaker System The crossover frequency and speaker component geometries have been selected so that the directional characteristics of the woofer and constant-directivity high-frequency horn match at the crossover frequency to create a special system type, the constant-directivity system. At higher frequencies the horizontal coverage pattern remains constant and the vertical pattern smoothly transitions to a 90 angle above 5,000 Hz. Response within the 90 x 65 rated coverage angle is uniform, which means dependable audience coverage without hot spots or dead zones at certain frequencies. The 90 x 65 dispersion characteristic also helps avoid early reflections from nearby floor or side-wall surfaces which could degrade performance. The controlled directivity of the high- and low-frequency transducers also eliminates response irregularities caused by diffraction off nearby enclosure edges and, in combination with an essentially flat on-axis frequency response, produces a total acoustic power output that is uniform with frequency.

Regular Price: $699.99
Our Price: $379.95 (Shipping within the 48 states is $40.00)


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