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  5. Doomsday 18

Doomsday 18

3500 Watt

Doomsday 18

Technical Highlights

  • A subwoofer with 3,500 Watts RMS, 7,000 Watts Peak, 1+1 Ohm.
  • The 4-inch aluminum voice coil ensures stability.
  • Extremely low resonant frequency at 29 Hz, Xmax 20 mm.
  • More technical details
€899.10
-10% €999.00 €899.10
2% discount with credit card

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ProductDoomsday 18 · D1(2x1Ohm)

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Impedance: D1(2x1Ohm)
Estimated delivery: Sep 25–Oct 8.
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1 year extra warranty

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datasheet
Two large Avatar Doomsday 18 subwoofers, black and orange with bold frames and clear branding, shown at different angles on a white background.
€899.10
€999.00 €899.10

The Doomsday 18 Subwoofer from Avatar is an 18-inch subwoofer that impresses with its powerful bass. With a continuous power handling of 3,500 Watts RMS and a maximum peak power of 7,000 Watts, it is ideal for deep bass applications. The massive 4-inch aluminum voice coil ensures maximum thermal handling, while the extremely low resonance frequency of 29.00 Hz allows for deep, palpable bass. A stable aluminum die-cast basket contributes to the construction designed for torsional rigidity, keeping the entire system secure and free from resonance. The various dual-ohm versions (D1 and D2) also provide flexibility for amplifier connections.

Highlights & Sound Performance:

  • Gigantic Bass Power: A passive 18-inch high-performance subwoofer of the absolute top class for uncompromising deep bass applications. It delivers a brutal continuous power handling of 3,500 Watts RMS and a maximum peak power of 7,000 Watts.

  • Massive 4-Inch Voice Coil: The extremely large 4.00-inch voice coil with a winding made of lightweight aluminum ensures maximum thermal handling, extreme mechanical stability, and a fast response.

  • Deep Infrasound Thunder: With an extremely low resonance frequency starting at 29.00 Hz and an Xmax of 20.00 mm, the woofer produces deep, palpable bass with ease.

  • Classic, High-Load Material Mix: The resilient membrane made of pressed paper guarantees precise guidance and enormous stability even at maximum sound pressure in combination with the highly flexible foam surround.

  • Ultra-Stable Construction: A massive aluminum die-cast basket provides the necessary torsional rigidity to securely and resonance-free support the enormous total weight of over 40 kg.

  • Optimal Amplifier Connection: Available as Dual-1-Ohm (D1) or Dual-2-Ohm (D2) version for maximum flexibility when connecting to extremely powerful monoblocks.

Technical Specifications (D1 / D2):

  • Model: Doomsday 18 D1 / Doomsday 18 D2.

  • Speaker Type: Passive subwoofer.

  • Chassis Size: 18 inches.

  • RMS Power: 3,500 Watts.

  • Maximum Power: 7,000 Watts.

  • Basket Material: Aluminum.

  • Membrane Material: Pressed paper.

  • Surround Material: Foam (foam).

  • Voice Coil: 4.00-inch aluminum winding.

  • Magnet Structure: Ferrite.

  • Impedance: 1+1 Ohm (D1) / 2+2 Ohm (D2).

  • Sensitivity (SPL): 88.20 dB (D1) / 87.90 dB (D2).

Thiele-Small Parameters (D1 / D2):

  • Resonance Frequency (Fs): 29.00 Hz / 30.00 Hz.

  • Total Quality (Qts): 0.45 / 0.49.

  • Force Factor (BL): 26.20 Tm / 27.40 Tm.

  • Equivalent Air Volume (Vas): 76.40 liters / 75.50 liters.

  • Max. Displacement (Xmax): 20.00 mm / 20.00 mm.

Installation Dimensions & Weight:

  • Installation Depth: 308.0 mm.

  • Mounting Hole Diameter: 424.5 mm.

  • Total Weight Including Packaging: 40.50 kg.

    Frequently Asked Questions about Doomsday 18

    What is the RMS power of the Avatar Doomsday 18?

    The Avatar Doomsday 18 Subwoofer offers an impressive RMS power of 3,500 watts. This constant performance makes it ideal for intense bass applications. With the ability to deliver up to 7,000 watts of peak power, the subwoofer effortlessly provides the necessary energy for an outstanding deep bass experience. The thoughtful design, including a 4.00-inch aluminum voice coil, ensures maximum thermal capacity and high mechanical stability. These features guarantee reliable performance under demanding conditions. The Doomsday 18 is specifically designed for enthusiasts seeking uncompromising bass.

    What special features does the Avatar Doomsday 18 Subwoofer have?

    The Doomsday 18 from Avatar comes with a range of impressive features. First, there is the 18-inch chassis size, which ensures massive bass reproduction. The subwoofer has a resonance frequency of 29.00 Hz, allowing for the deepest infrasound reproduction. The 20 mm maximum excursion (Xmax) also supports extreme bass performances. Additionally, the sturdy aluminum die-cast basket supports the high overall weight of 40.50 kg and ensures resonance-free sounds. The subwoofer is available in two impedance variants: Dual 1 Ohm (D1) and Dual 2 Ohm (D2), providing flexibility for amplifier connections.

    How much does the Doomsday 18 Subwoofer from Avatar weigh including packaging?

    The total weight of the Doomsday 18 including packaging is an impressive 40.50 kg. This weight results not only from the size of the subwoofer but also from the high-quality materials used in its construction. The massive aluminum die-cast basket plays a central role in the stability and weight of the device. This sturdy construction ensures that the subwoofer operates distortion-free even at high volumes. The weight may impact the installation location in the vehicle, but it should not pose a significant challenge in most cases.

    What is the diameter of the cutout for the installation of the Doomsday 18 from Avatar?

    The installation diameter for the Doomsday 18 Subwoofer is 424.5 mm. This measurement is crucial for choosing the right enclosure for installation. A suitable enclosure not only provides the necessary space but also the stability to minimize vibration and resonance issues. A correctly sized cutout ensures that the subwoofer can operate optimally and unleash its full power. It is important to consider this parameter to make the installation process smooth and maintain sound quality at the highest level.

    What material is used for the diaphragm of the Doomsday 18?

    The diaphragm of the Avatar Doomsday 18 is made of pressed paper. This material was chosen because it offers an ideal ratio of stiffness to weight, ensuring high sensitivity and excellent sound quality. Combined with the foam surround, which provides flexibility, the subwoofer receives its precise guidance. This choice of material ensures that even at maximum sound pressure, the performance remains stable and the bass reproduction is clear and unembellished. Especially if you enjoy listening to music loudly or prefer longer listening sessions, this high-quality material combination pays off.

    What connection options does the Doomsday 18 Subwoofer offer?

    The Doomsday 18 from Avatar offers flexible connection options through its availability in two impedance versions: Dual 1 Ohm (D1) and Dual 2 Ohm (D2). These variations allow for maximum flexibility in configuration and adaptation to different amplifiers. This is particularly advantageous when working with powerful monoblocks, as the different impedances ensure optimal current flow. Choosing between these two versions allows for a tailored tuning of the entire audio system and ensures that the subwoofer performs excellently in various setups.

    How does the performance change with varying impedances of the Doomsday 18?

    The Avatar Doomsday 18 is available in variants with Dual-1-Ohm (D1) and Dual-2-Ohm (D2) impedance. With a lower impedance of 1+1 Ohm (D1), an amplifier can deliver more power, resulting in a stronger bass output. This is ideal for applications where maximum volume and pressure are required. The 2+2 Ohm (D2) version, on the other hand, offers the possibility of higher electrical stability, which can be advantageous in certain use cases. This shows how important the correct impedance is for the desired sound experience.

    What materials contribute to the stability of the Avatar Doomsday 18?

    The stability of the Avatar Doomsday 18 Subwoofer is primarily ensured by the massive aluminum die-cast basket. This material provides outstanding torsional rigidity and prevents resonance issues, even at high volumes. The pressed paper diaphragm and foam surround also contribute to structural integrity by providing a perfect balance between flexibility and stability. The combination of these materials ensures that the subwoofer not only meets high acoustic demands but also maintains its performance and sound quality over the long term.

    What is the resonance frequency of the Doomsday 18 by Avatar?

    The Avatar Doomsday 18 Subwoofer features a low resonance frequency of 29.00 Hz (D1) and 30.00 Hz (D2). These low frequencies allow even the most pronounced bass nuances to be audible and felt. Combined with a maximum Xmax of 20.00 mm, this subwoofer offers excellent deep bass reproduction, which is particularly effective in large audio setups. A low resonance frequency is crucial for reproducing frequencies that are below many other speakers, thus creating an immersive sound experience.

    How do you install the Avatar Doomsday 18 Subwoofer in your car?

    When installing the Avatar Doomsday 18 Subwoofer, you need to consider the installation dimensions, especially the installation depth of 308.0 mm. The installation diameter should be 424.5 mm to ensure a secure and resonance-free fit. Due to its high weight of over 40 kg, it is important to install the subwoofer in a sturdy enclosure that can support the weight without compromising the vehicle's structure. It is advisable to secure the enclosure firmly to minimize unwanted vibrations and keep the sound clear and undistorted, even at high volumes.

    Manufacturer information/responsible person

    Elofssons Försäljnings AB
    Björn Elofsson
    Gruvgatan 31A
    421 30 Västra Frölunda / Gothenburg
    Sweden

    Contact: support@dbakuten.se

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