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DD Audio

Power Tuned 9918b ESP

18" (46cm) Subwoofer

1.499,00€
1.499,00€ 1.499,00€
incl. VAT , possibly plus shipping

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Highlights

  • 2500 watts RMS, 10000 watts peak, impedance: double 1/2 ohm.
  • V-ROM Surround, CFB Cone, bass dynamic improvement.
  • Ferrite magnet system, 4" coil, 1500 oz magnet weight.
Impedance: D1 (2x1 Ohm)
SuperCharge: Yes
Seen more cheaply Personal Offer
brand: DD Audio
Delivery time:
Available to you in 5-10 days
Number:
Piece
Watt RMS:
2500
Subwoofer Type:
ferrite
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DD Audio-Power Tuned 9918b ESP-18" (46cm) Subwoofer-masori-kaufen
1.499,00€
1.499,00€ 1.499,00€

Discover the Power Tuned 9918b ESP from DD Audio, an 18" subwoofer that impresses with innovative features. Equipped with a CFB-Carbon Fiber Blend Cone and a Vario-Density Extended Range of Motion Surround, this subwoofer offers maximum control at high excursions for dynamic bass reproduction. Additionally, the device comes with a Tuned Spider System for selected performance characteristics and a Super-Frame for maximum spider diameter and heat dissipation. It also includes a patented ferrite magnet system and the option for a SuperCharge enhancement. With a peak power handling of 10,000 watts and an RMS power handling of 2,500 watts, the Power Tuned 9918b ESP produces a powerful, crystal-clear sound that will please any music lover.

Features
  • 46cm (18") Subwoofer
  • Load capacity (RMS): 2500 Watts
  • Peak load capacity: 10000 Watts
  • Impedance options: Dual 1 Ohm or Dual 2 Ohm
  • Patented Ferrite Magnet System
  • Lossless linear suspension
  • Ribbed Foam Bead
  • Magnet protection cap including grid before the pole core drilling
  • Aluminium Die Casting Basket

data

  • Playback range 10Hz - 500Hz
  • Direct current resistance (Re) 0.9 Ohm
  • Resonant frequency (Fs) 26.24 Hz
  • Mechanical Quality (Qms) 2.265
  • Electrical quality (Qes) 0.51
  • Total quality (Qts) 0.47
  • Equivalent Volume (Vas) 161.9 L
  • Xmax ±22mm
  • Magnet weight 1500 Oz
  • Spindle diameter 4" (101.6mm)

The SuperCharge Option

  • With the Supercharge option, you hear an even tighter and cleaner bass across the entire power range.
  • What exactly happens during SuperCharging? By adding a specially shaped neodymium short-circuit ring on a flush-cut pole piece, with the opposite polarity facing down, you redirect otherwise lost magnetic energy into the coil gap. This increases the usable motor strength by 20-25%, allowing smaller, lighter motors to have the same drive energy as larger motors.
  • "You cannot operate a SuperCharged sub with more power, and the SPL value does not increase, but you hear a cleaner output at higher levels. SuperCharged subwoofers use the power you give them more efficiently, but you still have the same heat dissipation and the same voice coil area. This means that the power handling is the same as that of the standard model."
  • Info: The Supercharge subwoofers are made to order. The delivery time is 4-6 weeks in addition to the specified delivery time.

Features of ESP Subwoofer

  • Carbon Fiber Blend Cone (CFB) - The CFB composition uses an effective carbon fiber-based cocktail to provide you with the highest strength-to-weight ratio in the industry.
  • Vario-Density Extended Range of Motion Surround (V-ROM) - Offers ultimate linear control at high deflection while enabling dynamically sounding bass reproduction. The control ribs are compressed to a lower density than the main surround body to allow for a stepless control system. The harder you control it, the more control you gain.
  • Tuned Spider System (TSS) - Each suspension is tuned to specific performance characteristics, e.g. High Definition, Power Handling, X-Stiff Control.
  • Super-Frame (SFrame) - Maximizes the spider diameter, the cone diameter, the suspension deflection, and thus acts as a secondary short-circuit ring and provides additional heat dissipation for better heat flow from the coil.
  • SuperCharge option possible!
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 excursion. 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.
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.
The Power Tuned 9918b ESP Subwoofer impresses with its high load capacity and detail accuracy. It offers an RMS load capacity of 2500 watts and a peak load capacity of up to 10,000 watts. This performance enables intense bass reproduction even at high volume, 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 also meet high demands.
The Tuned Spider System (TSS) of the Power Tuned 9918b ESP is tailored 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 simultaneously optimizing the load-bearing 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.
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 displacement 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 the heat flow from the voice coil, thereby improving the efficiency and longevity of the device. These robust design features are essential to meet the high energetic demands of this subwoofer.
The SuperCharge option of the Power Tuned 9918b ESP increases motor strength by incorporating a specially shaped neodymium short-circuit ring, which is mounted on a flush-cut pole piece with opposite polarity. This modification boosts usable motor strength by 20-25%, meaning that a smaller motor can deliver the same power as larger models. This significantly improves the efficiency of the subwoofer without affecting the load capacity or the SPL value, and ensures more precise sound reproduction at higher power levels. The SuperCharge subwoofers are made to order.
The sound quality of the Power Tuned 9918b ESP is defined by several technical parameters. The playback 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 direct current 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.
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 not only ensures 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.
The Vario-Density Extended Range of Motion Surround (V-ROM) in the Power Tuned 9918b ESP offers significant advantages in terms of control and sound quality. It allows for a uniform, high excursion without distortion, which is particularly crucial 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 multi-layered bass reproduction, even under demanding playing conditions.
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 limit emphasizes the robustness of the device and its suitability for intense musical pieces with sudden, high volume peaks. In contrast, the RMS power handling of 2,500 watts represents the continuous power consumption 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.

Audio Import Group
Pekka Kinnunen
Palkkitie 10
84100 Ylivieska
Finland

Contact: info@audioimport.fi

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Product Specifications

Manufacturer

DD Audio

Product type

18" (46cm) subwoofer

Features

  • Highlights

    • 2500 watts RMS, 10000 watts peak, impedance: double 1/2 ohm.
    • V-ROM Surround, CFB Cone, bass dynamic improvement.
    • Ferrite magnet system, 4" coil, 1500 oz magnet weight.

  • Uvp

    1,399

weight

26.3 kg

Watt RMS Load Capacity

2500

configurators

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Buy Power Tuned 9918b ESP from DD Audio online with Masori lowest price guarantee

Are you looking for a subwoofer that impresses both technically and sonically? The Power Tuned 9918b ESP from DD Audio offers just that, with 2,500 watts RMS of power and a peak power handling of 10,000 watts. The 18 subwoofer integrates innovative design with a CFB carbon fiber blend cone for the highest strength-to-weight ratio in the industry. Thanks to its dual 1-ohm or dual 2-ohm impedance options, it adapts perfectly to your individual requirements. It also features a patented ferrite magnet system and offers the option of SuperCharge enhancement. With a playback range of 10 Hz to 500 Hz, the subwoofer ensures comprehensive sound reproduction. Secure the best price at Masori with our Lowest Price Guarantee.

Patented ferrite magnet system

The Power Tuned 9918b ESP from DD Audio utilizes a patented ferrite magnet system that ensures exceptional efficiency and power delivery. With a magnet weight of 1,500 oz, the system generates an intense magnetic field strength. This results in faster and more precise diaphragm control. An increased magnet weight would increase the overall system weight but also further increase drive power and efficiency. Reducing weight could reduce response speed but also increase the system's agility, especially at higher frequencies. Combined with the SuperCharge feature, this magnet system delivers pure power.

CFB-Carbon Fiber Blend Cone for superior stability

The CFB cone of the Power Tuned 9918b ESP subwoofer utilizes carbon fiber to provide an unparalleled strength-to-weight ratio. This structural integrity ensures the cone remains stable even at high excursions. A heavier cone could further increase kinetic energy but also reduce response time, while a lighter cone can improve agility and response range. This composition is ideal for producing precise bass waves with impressive clarity and no distortion.

Extended range of motion thanks to Vario-Density Extended Range of Motion Surround

The V-ROM Surround provides linear control, even at maximum drive power. The surround allows for flexible yet controlled diaphragm excursion, resulting in dynamic bass reproduction. A lower density of the control ribs could reduce control and provoke more distortion at extreme volumes, while a higher density could reduce this versatility. This surround area maximizes efficiency and ensures your sounds remain clean and precise.

Tuned Spider System for selectable performance features

The subwoofer's Tuned Spider System (TSS) is specifically tuned for various performance characteristics, including high definition and extreme power handling. The flexibly controllable stiffness optimizes linearity at high excursions, while a stiffer spider offers more control at lower frequencies. Lower stiffness could compromise power handling, while higher stiffness could limit the dynamics of bass reproduction. A perfectly designed spider system supports the subwoofer in every application.

Super frame for optimized heat dissipation

The Power Tuned 9918b ESP's Super Frame maximizes spider diameter and suspension deflection, ensuring excellent heat dissipation. During intensive use, heat doesn't accumulate in the coil, increasing the longevity of the device. More intensive heat dissipation could be an advantage at even higher frequencies, while lower heat dissipation efficiency could potentially reduce overall performance. The Super Frame provides an additional hardware resource as a secondary shorting ring.

Impedance options for installation flexibility

With the Power Tuned 9918b ESP's dual 1-ohm or dual 2-ohm impedance options, you have complete flexibility when pairing it with amplifiers. A lower impedance allows the subwoofer to draw more current, resulting in higher overall power. Higher impedance, on the other hand, could increase efficiency at lower volumes. This adaptability gives you exactly the control you need to create your perfect sound experience.

Technical strengths: resonance frequency and overall quality

The DD Audio subwoofer has a resonant frequency (Fs) of 26.24 Hz. This frequency indicates the natural frequency of the subwoofer, at which it operates most efficiently. A lower Fs enables deeper bass and maximizes your sound experience at lower Hertz values, while higher values ​​provide more clarity in mid-bass frequencies. The Qts of 0.47 means the subwoofer can be used in both sealed and reflective enclosures. A lower Qts could provide boost in sealed systems, while higher values ​​would support a flatter frequency response in reflective enclosures.

SuperCharge option for increased effectiveness

The SuperCharge option is specifically engineered to increase usable motor power by up to 25% by adding a specially shaped neodymium shorting ring. This additional motor power translates to improved efficiency without increasing power requirements or SPL levels. Larger motors can thus deliver even more powerful results with less weight and size. The SuperCharge mechanism redirects magnetic energy more effectively, maintaining the clean output of your audio system even at higher volume levels.

Customized production and delivery time

The custom-made construction of the Power Tuned 9918b ESP ensures that you receive a uniquely tuned product. This is evident in the specific, made-to-order production, which entails a delivery time of 4-6 weeks in addition to the standard delivery time. This targeted manufacturing ensures the highest quality standards and individuality for your subwoofer after you place your order. A shorter delivery time might surprise you, while a longer wait might generate exciting anticipation. Would you like to learn more about this exceptional subwoofer or arrange for on-site installation in Frankfurt (Oder)? Our installation service and our expert support FAQ & Help are at your disposal. If you're looking for audio clarity paired with maximum power, this subwoofer is the perfect choice. Connect with other audio experts on the Masori Audio Blog today and share your experiences!