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DD Audio Power Tuned 9918b ESP 18" (46cm) Subwoofer
2500 Watt

Power Tuned 9918b ESP

Technical Highlights

  • 2500 Watt RMS, 10000 Watt Peak, Impedance: Dual 1/2 Ohm.
  • V-ROM Surround, CFB Cone, Improvement of Bass Dynamics.
  • Ferrite Magnet System, 4" Coil, 1500 Oz Magnet Weight.
  • More technical details
€1.499,00
€1.499,00 €1.499,00
5% discount with prepayment
inkl. VAT , possibly plus shipping
Impedance: D1 (2x1 Ohm)
SuperCharge: Yes
Delivery
May 19, - May 24,
x piece
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A close-up of the DD Audio Power Tuned 9918b ESP 18 subwoofer shows its thick surround, visible wiring, red logo, and a strong 2500W RMS output.
€1.499,00
€1.499,00 €1.499,00

Compatible with Power Tuned 9918b ESP

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Power Tuned 9918b ESP by DD Audio

The DD Audio Power Tuned 9918b ESP is an 18 inch (46 cm) Subwoofer with 2,500 watts RMS and 10,000 watts Peak. Equipped with CFB-Carbon Fiber Blend Cone, Vario-Density Extended Range of Motion Surround (V-ROM), and Tuned Spider System (TSS). The Super-Frame (SFrame) maximizes spider and cone diameter and supports heat dissipation, complemented by a patented ferrite magnet system. An optional SuperCharge option is available. Features include a lossless linear suspension, ribbed foam surround, a magnet protection cap with grille in front of the pole core drilling, and an aluminum die-cast basket. Impedance options: Dual 1 Ohm or Dual 2 Ohm. Technical specifications include Fs 26.24 Hz, Xmax 22 mm, Xmech 60 mm, VCD (Entrance voltage) 10.16 cm, installation depth 30.16 cm, and mounting diameter 42.52 cm.

Features
  • 18 inch (46 cm) Subwoofer
  • RMS power: 2,500 watts
  • Peak load capacity: 10,000 watts
  • Impedance options: Dual 1 Ohm or Dual 2 Ohm
  • CFB-Carbon Fiber Blend Cone
  • Vario-Density Extended Range of Motion Surround (V-ROM)
  • Tuned Spider System (TSS)
  • Super-Frame (SFrame) with additional heat dissipation
  • Patented ferrite magnet system
  • SuperCharge option available
  • Lossless linear suspension
  • Ribbed foam surround
  • Magnet protection cap including grille in front of the pole core drilling
  • Aluminum die-cast basket
Technical specifications
  • Speaker size: 45.72 cm
  • Piston diameter: 39.37 cm
  • Fs (Frequency): 26.24 Hz
  • Xmax (Maximum stroke): 22 mm
  • Xmech (Mechanical stroke): 60 mm
  • VCD (Entrance voltage): 10.16 cm
  • Frame diameter: 46.36 cm
  • Frame including gasket: 46.99 cm
  • Mounting diameter: 42.52 cm
  • Installation depth: 30.16 cm
  • Motor diameter: 26.19 cm
  • Motor depth: 11.56 cm
  • Woofer volume: 13.02 liters
  • Enclosure with port: 142–170 liters
  • Shipping weight: approx. 40.4 kg
  • RMS power: 2,500 watts
  • Peak power: 10,000 watts
  • Impedance options: Dual 1 Ohm or Dual 2 Ohm
  • SuperCharge option: Neodymium short-circuit ring on flush-cut pole piece with opposite polarity
  • SuperCharge option: Redirection of magnetic energy into the voice coil gap
  • SuperCharge option: Usable motor strength +20–25%
  • SuperCharge option: Load capacity, SPL, heat dissipation, and voice coil area identical to the standard model
  • SuperCharge option: Made to order, additional delivery time 4–6 weeks

DD Audio Custom Subwoofer – Design your own!

Our DD Audio Custom Subwoofers are not only a highlight in sound – they are built exactly to your specifications! Choose colors for the basket, dustcap, membrane, and more. Additionally, a selection of logos is available.

Available colors for membrane & dustcap:
Red
(Carbon)
Black
(Carbon)
Light Blue
(Carbon)
Blue
(Carbon)
Platinum
(Carbon)
White
(Carbon)
Yellow
(Kevlar)

Do you want more than standard? Now customize your Subwoofer and discover all options:

To the custom options

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Frequently Asked Questions about Power Tuned 9918b ESP

What materials are used in the Power Tuned 9918b ESP?

The Power Tuned 9918b ESP from DD Audio uses a CFB-Carbon Fiber Blend Cone, which offers an outstanding combination of strength and lightness. This composition maximizes the strength-to-weight ratio and allows for smooth, powerful bass reproduction. This is complemented by the Vario-Density Extended Range of Motion Surround, which is responsible for controlled displacement. The aluminum die-cast basket ensures structural integrity, while the patented ferrite magnet system provides a strong electromagnetic foundation. This design enhances the efficiency of the Subwoofer and offers improved sound performance through the combination of cutting-edge materials.

How does the patented ferrite magnet system work in the Power Tuned 9918b ESP?

The patented ferrite magnet system in the Power Tuned 9918b ESP relies on an advanced electromagnetic structure to optimize the motor strength of this Subwoofer. It ensures efficient conversion of electrical energy into mechanical movement. This increases efficiency, leading to more powerful bass reproduction. With a magnet weighing around 1500 Oz, a stable magnetic field strength is provided, which is crucial for the precise control of the voice coil. This technology enables a consistent, dynamic sound that remains clear and distortion-free even under high loads.

What power ratings does the Power Tuned 9918b ESP offer?

The Power Tuned 9918b ESP Subwoofer impresses with its high load capacity and detail accuracy. It offers an RMS power handling of 2500 Watts and a peak power handling of up to 10,000 Watts. This capability allows for intense bass reproduction even at high volumes, ideal for experiencing music powerfully. In operation, it can be configured with a dual 1 Ohm or dual 2 Ohm impedance, allowing for flexible integration into various audio setups. These parameters make it an excellent choice for enthusiasts looking for powerful Subwoofers that can meet high demands.

What is the Tuned Spider System and what advantages does it offer in the 9918b ESP?

The Tuned Spider System (TSS) of the Power Tuned 9918b ESP is tuned to specific performance characteristics such as High Definition Audio, Power Handling, and X-Stiff Control. It enhances suspension control and allows for precise reproduction while optimizing the load limits of the Subwoofer. This sophisticated tuning enables greater stability at extreme excursions, maintaining sound integrity even at enormous power levels. The TSS is an essential component of the design that contributes to overall sound quality and performance.

How does the Super-Frame support the Power Tuned 9918b ESP Subwoofer?

The Super-Frame of the Power Tuned 9918b ESP plays a crucial role in the mechanical stability and heat dissipation of this Subwoofer. It maximizes the spider diameter and the excursion potential of the suspension, ensuring precise bass reproduction even at high levels. Additionally, the Super-Frame acts as a secondary short-circuit ring to optimize heat dissipation from the voice coil, improving the efficiency and longevity of the device. These robust design features are essential to meet the high energy demands of this Subwoofer.

What is meant by the SuperCharge option of the 9918b ESP?

The SuperCharge option of the Power Tuned 9918b ESP increases motor strength by incorporating a specially shaped neodymium short-circuit ring mounted on a flush-cut pole piece with opposite polarity. This modification boosts usable motor strength by 20-25%, meaning a smaller motor can deliver the same power as larger models. This significantly improves the efficiency of the Subwoofer without affecting load capacity or SPL value, ensuring more precise sound reproduction at higher power levels. The SuperCharge Subwoofers are made to order.

What parameters determine the sound quality of the Power Tuned 9918b ESP?

The sound quality of the Power Tuned 9918b ESP is defined by several technical parameters. The frequency response range of 10Hz to 500Hz allows for deep and resonant bass reproduction. The resonance frequency (Fs) of 26.24 Hz and the mechanical quality factor (Qms) of 2.265 contribute to fine-tuning. The balanced DC resistance (Re) of 0.9 Ohm and Qes of 0.51 ensure efficient electrical control. All these parameters together create an internal balancing act that guarantees clear and precise sound reproduction with minimal distortion even at the highest volumes.

What dimensions should be planned for the Power Tuned 9918b ESP?

For the installation of the Power Tuned 9918b ESP, the physical dimensions are crucial. With a Subwoofer diameter of 46 cm (18") and a coil diameter of 4", the installation requires a sufficiently large space in the vehicle for proper operation. Before installation, the enclosure volume should be carefully planned to utilize the required 161.9 L (Vas). This ensures not only optimal sound quality but also a mechanically secure mounting. The Super-Frame ensures that the Subwoofer can handle exposed conditions as long as the exact measurements are adhered to.

What advantages does the Vario-Density Extended Range of Motion Surround offer?

The Vario-Density Extended Range of Motion Surround (V-ROM) in the Power Tuned 9918b ESP provides significant advantages in terms of control and sound quality. It allows for uniform, high excursion without distortion, which is particularly critical when reproducing energetic bass passages. The variable density integrated into the control ribs of the surround achieves seamless dynamic control. This system responds to increased drive forces with more control, optimizes linear excursion, and contributes to precise and layered bass reproduction, even under demanding playing conditions.

What does the peak power handling of the Power Tuned 9918b ESP indicate?

The peak power handling of 10,000 watts of the Power Tuned 9918b ESP indicates the Subwoofer's ability to handle short-term power spikes without damage. This power handling limit emphasizes the robustness of the device and its suitability for intense music pieces with sudden high volume peaks. In contrast, the RMS power handling of 2,500 watts represents the continuous power input that the Subwoofer can handle. These technical specifications ensure that the Power Tuned 9918b ESP maintains its sound integrity and delivers reliable performance even under maximum power demands.

Manufacturer information / responsible person

Audio Import Group
Pekka Kinnunen
Palkkitie 10
84100 Ylivieska
Finland

Contact: info@audioimport.fi

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