D 450

D 450 is a 2½ way dual bass reflex system featuring a 6½” woofer, a 6½” mid-woofer and a 1” DCD tweeter.

The 2½ way configuration has sort of become a hallmark of Jamo. We are using this configuration in a number of products starting with our highly acclaimed D 870 speaker.

The reason for choosing this configuration is that it grants you the best of two worlds: The tweeter and mid-woofer reproduce the full frequency range, so, this 2 way system is “securing” the coherent, harmonious and smooth sound well-known from traditional 2-way systems. Then the additional woofer blends in below 150Hz to add the extra cone area and power handling needed to give full fidelity in the low bass.

The dual bass reflex configuration means that the cabinet of D 450 is divided into two chambers – one for the tweeter/mid-woofer and one for the designated woofer.

This gives several advantages: First of all the sound pressure inside the cabinet from the woofer does not influence the mid-woofer and vice versa. This of course eliminates colouration and thus results in cleaner sound reproduction.

Furthermore, each chamber is optimized for drivers intended to work in it. The internal partition is angled so that the mid-woofer is given all possibilities of “breathing” freely whereas the fact that the woofer couples acoustically to the cabinet adds “acoustic” weight to the moving mass of the woofer and thus attenuates the woofer around 100Hz.

Finally, the partition wall also works as an internal bracing of the cabinet and thus reduces cabinet vibrations – to ensure that what you hear is the sound from the drivers – not from the cabinet vibrations!

D 450 features gold plated bi-wiring/amping terminals. With the upper terminals you connect to the tweeter whereas the lower terminals connect to the mid-woofer and woofer. This split was chosen in order to separate the heavy current flow in the midrange and bass from the more delicate signal to the tweeter. The bi-wiring/amping facility gives you all the possibilities of “tweaking” the sound balance.

The D 450 can be placed either by using the adjustable spikes securing a good mechanical coupling to the floor independent of floor materials or, if you prefer to decouple it from the floor, by using the enclosed rubber absorbers.

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JAMO D 4 manual 450
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D 4 specifications

The JAMO D 4 series represents a blend of innovative audio technology and sophisticated design, aimed at providing an immersive sound experience for music lovers and home theater enthusiasts alike. With its elegant aesthetic and robust performance, the D 4 series has garnered attention for its commitment to high-quality audio reproduction.

One of the standout features of the JAMO D 4 is its advanced driver technology. Each speaker in the series features a proprietary bass driver designed for low distortion and deep bass response. The driver’s design allows for a more controlled and responsive sound, making it ideal for bass-heavy music genres as well as detailed vocal performances. Coupled with a high-frequency driver that delivers crisp and clear highs, the D 4 speakers produce a well-balanced audio experience.

The cabinet design of the JAMO D 4 series is not only visually appealing but also essential for optimal sound quality. The enclosure is crafted from high-quality materials that minimize resonances, allowing the speakers to produce purer sound. Its sleek and modern finish is available in a variety of colors and textures, ensuring a seamless integration into any home décor.

Another significant technology integrated into the JAMO D 4 speakers is the waveguide technology, which enhances sound dispersion and helps to create a wider listening area. This technology ensures that everyone in the room can enjoy a consistent sound experience, making it perfect for gatherings or home theater settings.

In terms of compatibility, the D 4 series is designed to work well with various audio setups, including receiver amplifiers and streaming devices. Its flexible connectivity options make integration into existing systems effortless.

Additionally, the JAMO D 4 speakers embody energy efficiency, equipped with features that help reduce power consumption without compromising performance. This commitment to sustainability is echoed in various aspects of their design and manufacturing processes.

In summary, the JAMO D 4 series stands out for its combination of advanced audio technologies, stylish design, and versatility. With superior bass performance, high-frequency clarity, and aesthetic appeal, the D 4 speakers are a compelling choice for anyone looking to elevate their audio experience. Whether for music, movies, or gaming, the JAMO D 4 delivers exceptional sound quality that will undoubtedly enhance your listening enjoyment.
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