In order to re-create the extremely high dynamic range provided by today’s audio sources, a new low- frequency transducer was used, incorporating a ferrite magnet, 3- inch edge-wound voice coil, and an Aquaplas™-coated 12-inch cone made of Kevlar® composite, a mixture of Kevlar fiber and pulp material that provides increased rigidity. An EPDM rubber sur- round was chosen for both its flexibility and long life. The Symmetrical Field Geometry™ (SFG) magnetic structure mini- mizes second harmonic distortion by providing a uniform flux field that avoids uneven cone move- ment. The rigid cast-aluminum frame is also designed to mini- mize distortion, as aluminum has no effect on the magnetic field. Extensive computer-aided engi- neering and design effort made to develop the optimized port tuning employed in Project K2 S5800 has resulted in a significant advance in the concept of state-of-the-art bass reproduction. This proprietary align- ment method offers the best damp- ing characteristics and provides extremely fast alignment, eliminat- ing the typical “bass-reflex” sound of a ported system.

All three transducers are built using the most advanced materials and precision manufacturing tech- niques refined from renowned JBL professional sound systems.

High power-handling capability results in no limitations on the types of source material. Project K2 S5800 has very high input sensitivity; even a relatively small high-end amplifier can provide full dynamic range without compression.

Despite its power and sophistica- tion, Project K2 S5800 is a marriage of tradition and technology. It reflects the design, engineering and manufacturing expertise derived and refined through nearly six decades of experience that are the exclusive province of one loudspeaker builder: JBL.

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JBL K2 S5800 manual
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K2 S5800 specifications

The JBL K2 S5800 is an exceptional loudspeaker that caters to audiophiles and professional audio engineers looking for high fidelity sound in various listening environments. Known for its iconic design and remarkable performance, the K2 S5800 combines advanced technology with a rich heritage in audio engineering, making it a standout choice in the realm of high-end speakers.

One of the main features of the K2 S5800 is its innovative 3-way speaker configuration, which incorporates a 15-inch woofer, a 4-inch midrange driver, and a 1-inch titanium dome tweeter. This combination allows for a wide frequency response, delivering deep and powerful bass, clear midrange, and crisp high frequencies. The result is a well-balanced sound that can reproduce music accurately without coloration, providing listeners with an authentic audio experience.

The K2 S5800 utilizes JBL's patented Bi-Radial horn technology, which enhances the dispersion of high frequencies across a broad area. This technology ensures that listeners can enjoy consistent sound quality, whether they're positioned in the sweet spot or off to the side. Additionally, the advanced waveguide design of the horn optimizes the interaction between the drivers, further improving coherence in sound reproduction.

Another noteworthy characteristic of the K2 S5800 is its ability to handle high power levels, making it suitable for both home audio systems and professional studio environments. With a power handling capacity of up to 800 watts, the K2 S5800 can deliver powerful sound that fills large spaces without distortion. This capability is crucial for audio professionals who require reliable performance during recording, mixing, or live sound applications.

The speaker's cabinet is meticulously crafted from high-quality materials, providing both aesthetic appeal and acoustic integrity. The enclosure is designed to minimize resonance and unwanted vibrations, ensuring that the sound remains clean and true to the source. Furthermore, the K2 S5800's elegant finish and sleek design add a touch of sophistication to any space, making it not just a high-performance speaker, but also a stylish piece of furniture.

In summary, the JBL K2 S5800 is a remarkable loudspeaker that merges cutting-edge technology with a commitment to audio excellence. With its powerful drivers, advanced dispersion technology, and premium build quality, it is an ideal choice for anyone seeking unparalleled sound performance in a beautifully designed package. Whether for professional use or high-end home listening, the K2 S5800 exemplifies JBL's legacy of innovation and quality in the audio industry.
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