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Buy Used KF850EF by Eastern Acoustic Works

KF850EF

Eastern Acoustic Works
This is the flying version of the KF850. The KF850EF Series has been the touring system standard for wellover ten years, being acceptable in more technical riders than anyother loudspeaker. The KF850z incorporates a number of advancesin loudspeaker technology and performance developed over thattime by EAW Engineers. The result is a KF850 with higher impactand fidelity than ever before.Legendary KF850 performance is enhanced with a neodymium,Orbital Magnet Array? HF driver offering incr...

Used & New Prices

Used Price $1,482 - $83,352 USD View Used Prices
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Used KF850EF For Sale

$1,482 USD
€1.182 EUR
More currencies
Quantity:
8
Year:
1997
Normal Wear & Tear

7 Day
Warranty
KF850EF in great condition. Minimum purchase of (2) units.

$1,565 USD
€1.248 EUR
More currencies
Quantity:
2
Year:
1997
Normal Wear & Tear

7 Day
Warranty
EAW speaker package. In good condition.

$83,352 USD
€66.466 EUR
More currencies
Quantity:
1
Year:
2006
Excellent / Few Scratches

2 Day
Warranty
Contact a Sales Specialist about used KF850EF for sale.
+1.404.817.9300

KF850EF Cabinet Speakers

...driver offering increased surface area for
better cooling, and higher reliability. A new HF horn extends HF
response and fidelity while minimizing throat distortion. The critical MF
subsystem is based on EAW's Radial Phase Plug? design used in
the KF650, KF750, and KF760. An optional user-installed, passive
MF/HF crossover kit allows more economical, bi-amplified Operation.
The KF850z's advanced performance will not be sonically
compatible with existing KF850E inventories. To facilitate
integration, kits are available to upgrade them to the KF850z. The
KF850z's enclosure is fully compatible with the KF850E Series.
However, the "z" enclosures incorporate a stacking pad on top that
mates with a recess in the bottoms. KF850z DSP processor settings
are available online for EAW's MX8750 as well a select group of
other popular touring processors.
KF850 Series applications continue to include: concert tours,
corporate events, large theaters, stadiums, cathedrals, large live
music clubs.

A 3-way tri-amplified full range system in a trapezoidal enclosure. Includes a 15 in woofer in a wave guide cavity with ARC? device, a horn-loaded 10 in midrange cone and a 2 in exit compression driver mounted coaxially in the wave guide cavity on a 55deg x 40deg constant directivity horn.

Applications
The KF850 Virtual Array? loudspeaker is the world touring standard, accepted in more technical riders than any other loudspeaker. True 3-way design dramatically improves the quality of vocal reproduction while the cone-driven midrange horn and horn-loaded woofer extend pattern control to the lowest octaves. Effective for large format permanent or portable applications.
Eastern Acoustic Works

Eastern Acoustic Works Cabinet Speakers

Eastern Acoustic Works (EAW) is the global leader in high-performance, professional loudspeaker system design and manufacture. Based in an historic mill complex in Whitinsville, Massachusetts, USA, EAW gives audio professionals a comprehensive tool kit that helps them deliver customized sound reinforcement solutions for venues and events around the world.
MS - A stereo recording technique that uses of two different types of microphones, a directional or cardioid for the M facing forward and an omni-directional or figure-eight for the S with the lobes at a 9. Used . 0 degree angle. The main advantage being that the center sounds are not 45 degrees off-axis eliminating the gap in XY recording. Initially there were problems with reflections due to the use. Used . of two different types of mics, however mics have now been developed to overcome this problem....

Coners and Hinges - Corners are used to attach trusses and other rigging while hinges are used to allow attached rigging to swing open so other gear can be connected.. Used . . Used . ...

Stairs - Stairs are used to access the stage and raised parts of the stage. They are usually collapsable for the purposes of storage and transportation. . Used . . Used . ...

White Noise - A random audio signal with a flat power spectral density that contains noise at the same level at all frequencies. The signal's spectral density has equal power in any band and at any frequency in a . Used . given bandwidth. White noise is similar to white light which contains all frequencies. White noise is often used in the field of architectural acoustics to mask distracting or undesirable n. Used . oises in interior spaces....

Ethernet - Ethernet (this name comes from the physical concept of ether) is a frame-based computer networking technology for local area networks (LANs). It defines wiring and signaling for the physical layer, an. Used . d frame formats and protocols for the media access control (MAC)/data link layer of the OSI model. Ethernet is mostly standardized as IEEEs 802.3. It has become the most widespread LAN techno. Used . logy in use during the 1990s to the present, and has largely replaced all other LAN standards such as token ring, FDDI, and ARCNET. ...

Cabinet Speakers

Speaker cabinets are specially engineered units in which audio equipment such as speakers and their associated hardware are mounted into. These cabinets can be very basic affairs, little more than a wooden case with no additional features other than one port for inputting a sound cable, or they can be incredibly complex cabinets with features ranging from numerous ports and internal baffles to acoustic insulation and composite materials used in their construction. The main point of housing loud speakers and PA speakers in cabinets is not simply to make them look neat and tidy, although that is one benefit. The cabinet actually provides a useful function in preventing competing sound waves from interacting with each other and distorting the end product. This is because the diaphragm that the speaker driver uses to create the sound we hear generates sound waves both at the front and the rear, and these will be out of sync with each other, thus creating a distortion if not dealt with adequately. Other side effects include echo and reverberation, as the sound waves would reach the audience at slightly different times as they travel on different paths through the loud speakers towards them. In addition to minimizing these unwanted side effects, loud speakerÔ??s cabinets also help to manage the vibrations which are caused by the driver frame, as well as the buildup of heat that is associated with amplifiers, driver voice coils and other moving components in PA speakers.
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