045Be-1 section view | JBL DD66000 specs

Project EVEREST DD66000

These features, when taken as a whole, create a new large format compression driver with the greatest high frequency extension, lowest distortion, smoothest response and greatest sonic detail.

045Be-1 Ultra-High Frequency Compression Driver and Horn

Like the 045Be, the 045Be -1 uses a 25-mm beryllium diaphragm and 50-mm neodymium magnetic structure. The pure beryllium diaphragm is less than 0.04

mmthick and has a mass of only 0.1 gram. The single layer aluminum ribbon voice coil is wound without a former and attached directly to the diaphragm. The driver employs the smallest annular slit phasing plug that JBL has ever designed. The 045Be -1 has been redesigned to improve manufacturing yield and consistency. Small changes have been made to the top plate and some significant improvements were made to the surround shape and clamping methodology. As a result, the driver has picked up nearly 5 dB of increased output above 30 kHz. A section view of the 045Be-1 driver is shown in Figure 4.

Figure 4 – 045Be-1 section view

The extremely low mass of the moving system, high magnetic flux density and the high rigidity of beryllium produce response that is very smooth from below 8 kHz to beyond 50 kHz.

The response curve has a slight down hill tilt due to the constant directivity nature of the horn used in this system. The horn is properly scaled to maintain a coverage angle of 60 degrees in the horizontal plane and 30 degrees in the vertical plane over the frequency interval from 10 kHz to 50 kHz.

DD66000 specifications

The JBL DD66000 is a flagship model in the world of high-fidelity loudspeakers, designed to deliver an exceptional listening experience for audiophiles and music enthusiasts alike. With its rich heritage rooted in decades of acoustic engineering expertise, the DD66000 represents the pinnacle of JBL's commitment to superior audio performance.

One of the standout features of the DD66000 is its innovative three-way speaker configuration. This includes a 15-inch bass driver, a 4-inch midrange driver, and a high-frequency compression driver that produces crystal-clear treble. This arrangement allows for a wide frequency response, ensuring that every note, from the lowest lows to the highest highs, is reproduced with remarkable accuracy and detail.

The DD66000 boasts advanced technologies that enhance its performance. The Integrated Waveguide Technology ensures that sound is evenly distributed throughout the listening space, creating a spacious and immersive soundstage. This technology minimizes distortion and ensures that the sound maintains its clarity, even at high volumes. Additionally, the dual high-frequency compression drivers provide extended dynamic range, allowing the speaker to handle both quiet and loud passages seamlessly.

Another key characteristic of the JBL DD66000 is its robust build quality. The speaker is encased in an elegantly crafted cabinet that not only minimizes resonance but also adds to its aesthetic appeal. The sleek design incorporates high-quality materials, giving it a premium look that complements any audio setup.

The DD66000 is also versatile in its connectivity options. Designed to work seamlessly with various audio components, it features compatibility with both analog and digital sources. Audiophiles can enjoy their favorite music in high-resolution formats, ensuring that every detail is captured and enjoyed.

In summary, the JBL DD66000 is a masterful integration of advanced technology and superior craftsmanship. With its three-way configuration, cutting-edge sound dispersion technology, and solid build quality, it stands out as a premier choice for serious listeners. Whether used in a dedicated home theater or a high-end audio setup, the DD66000 promises to deliver an unrivaled listening experience, making it a worthy investment for those who demand the best in audio fidelity.