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DD Audio Power Tuned 3515i ESP 15" (38cm) Subwoofer

Power Tuned 3515i ESP

Technical Highlights

  • Power 1200 Watts RMS, impedance options: 2 Ohms or 4 Ohms.
  • Peak power handling 4800 Watts, ferrite magnet system, surround.
  • Frequency response 10Hz-500Hz, Xmax ±17.5mm, coil diameter 3".
  • More technical details
Normal price €869,00
Normal price €869,00 Selling price €869,00
5% discount with prepayment
inkl. VAT , possibly plus shipping
Impedance: D2 (2x2 Ohm)
SuperCharge: No
Delivery
May 19, - May 24,
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Normal price €869,00
Normal price €869,00 Selling price €869,00

Power Tuned 3515i ESP by DD Audio

The DD Audio Power Tuned 3515i ESP is a 15 inch (38 cm) Subwoofer from the 3500 series. It is specified with 1200 watts RMS and 4800 watts peak and is available in dual 2 Ohm or dual 4 Ohm. The patented ferrite magnet system, lossless linear suspension, and ribbed foam surround are integrated. The construction includes a multi-layer spider, 800-degree thermoset plastic voice coils, an aluminum die-cast basket, and a magnet protection cap with grille in front of the pole core drilling. The ESP package includes Carbon Fiber Blend Cone, V-ROM surround, Tuned Spider System, and Super-Frame. Specified parameters include Fs 41 Hz, Xmax 17.5 mm, Xmech 62 mm, and Vas 56.86 liters.

Features
  • 15 inch (38 cm) Subwoofer
  • RMS power: 1200 watts
  • Peak power: 4800 watts
  • Impedance options: dual 2 Ohm or dual 4 Ohm
  • Patented ferrite magnet system
  • Lossless linear suspension
  • Ribbed foam surround
  • Multi-layer spider
  • 800-degree thermoset plastic voice coils
  • Aluminum die-cast basket
  • Magnet protection cap including grille in front of the pole core drilling
  • ESP: Carbon Fiber Blend Cone (CFB)
  • ESP: V-ROM surround
  • ESP: Tuned Spider System (TSS)
  • ESP: Super-Frame (SFrame)
  • SuperCharge option: neodymium short-circuit ring
  • SuperCharge option: increase in motor strength by 20–25%
  • SuperCharge option: same load capacity as standard model
  • SuperCharge option: additional delivery time 4–6 weeks
Technical specifications
  • Speaker size: 38.1 cm
  • Fs: 41 Hz
  • Qms: 7.1
  • Qes: 1
  • Qts: 0.88
  • Vas: 56.86 liters
  • Xmax: 17.5 mm
  • Xmech: 62 mm
  • Piston diameter: 36.2 cm
  • VCD (input voltage): 7.62 cm
  • Frame diameter: 42.22 cm
  • Frame including gasket: 42.55 cm
  • Mounting diameter: 38.58 cm
  • Installation depth: 24.45 cm
  • Motor diameter: 19.21 cm
  • Motor depth: 8.89 cm
  • Woofer volume: 8.21 liters
  • Enclosure with port: 85.04–170.1 liters
  • Shipping weight: approx. 19.5 kg

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 to you.

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 3515i ESP


What are the technical specifications of the DD Audio Power Tuned 3515i ESP?

The DD Audio Power Tuned 3515i ESP is a 15-inch Subwoofer with a nominal power handling of 1200 Watts RMS and a peak power handling of 4800 Watts. It has a resonance frequency of 38.36 Hz and impedance options of dual 2 Ohm or dual 4 Ohm. The DC resistance is 1.9 Ohm. Other important parameters include a mechanical quality factor (Qms) of 7.53, an electrical quality factor (Qes) of 0.67, and a total quality factor (Qts) of 0.62. The Subwoofer has a voice coil diameter of 3 inches and a magnet weight of 350 Oz. Its frequency response ranges from 10Hz to 500Hz.

What makes the Power Tuned 3515i ESP Subwoofer special?

The Power Tuned 3515i ESP from DD Audio is characterized by a combination of technical sophistication and sound precision. Key features include the V-ROM surround for ultimate linear control at high excursions and the Tuned Spider System (TSS), which ensures high performance and tight control. The Carbon Fiber Blend Cone provides an optimal strength-to-weight ratio. Additionally, the patented ferrite magnet system offers lossless linear suspension, and the Super-Frame ensures additional heat dissipation. Thus, the Subwoofer impressively combines innovation and performance.

What advantages does the SuperCharge option of the 3515i ESP offer?

The SuperCharge option of the Power Tuned 3515i ESP integrates a neodymium shorting ring that increases usable motor strength by 20-25%. This ring redirects lost magnetic energy into the voice coil gap, allowing smaller, lighter motors to achieve the same drive power as larger ones. Although the power handling remains the same and the SPL value does not increase, the SuperCharge option provides more efficient bass at higher levels. The output is cleaner, especially at high volumes. Note that SuperCharged Subwoofers are made to order and have a longer delivery time of 4-6 weeks.

How do I install the 3515i ESP in my car?

When installing the DD Audio Power Tuned 3515i ESP, proper placement is crucial. The Subwoofer has a diameter of 38 cm and therefore requires adequate installation space. While some vehicle types may require adjustments in the trunk, the dimensions of the Subwoofer and the installation position should be coordinated with the existing car electronics. Correct wiring of the impedance options, either dual 2 ohm or dual 4 ohm, is also important. Ensure proper ventilation to maintain the heat resistance of the aluminum die-cast frame.

What frequency ranges can the 3515i ESP cover?

The DD Audio Power Tuned 3515i ESP is designed for an impressive playback range of 10Hz to 500Hz. This bandwidth allows the Subwoofer to reproduce both deep bass and mid frequencies with precision and clarity. The resonance frequency of 38.36 Hz ensures optimal bass reproduction, while the combination of lossless linear suspension and V-ROM technology guarantees even sound distribution. These features make it ideal for applications where both power and sonic finesse are required.

How does the patented ferrite magnet system of the 3515i ESP work?

The patented ferrite magnet system of the Power Tuned 3515i ESP employs advanced techniques to create a lossless linear suspension. By efficiently directing magnetic energy into the working area of the voice coil, even sound reproduction is ensured. The robust construction of the magnet system contributes to the stability of the Subwoofer and prevents distortion even at high volumes. Additionally, the aluminum die-cast frame provides stability and reduces thermal stress, leading to improved performance longevity. Together, this results in a harmonious sound image.

How does the Tuned Spider System affect the performance of the 3515i ESP?

The Tuned Spider System (TSS) of the Power Tuned 3515i ESP is central to its outstanding performance. It was designed to specifically control performance characteristics by tuning the suspension to special parameters such as High Definition, Power Handling, and X-Stiff Control. This fine-tuning allows the Subwoofer to remain precise even at high volumes and deliver controlled displacement. The TSS maximizes freedom of movement and ensures that no compromises in sound quality need to be made, even under intense use.

What does the CFB composition mean for the 3515i ESP?

The CFB composition of the DD Audio Power Tuned 3515i ESP stands for Carbon Fiber Blend Cone. This cone uses a special carbon fiber cocktail that offers the highest strength-to-weight ratio in the industry. This special blend allows for maximizing structural integrity while minimizing moving mass, resulting in high responsiveness and precision in playback. This material is both robust and lightweight, ideal for increasing sound speed and improving sound accuracy, especially during intense bass playback.

What impedance options are available for the 3515i ESP?

The Power Tuned 3515i ESP offers two impedance options to choose from: Dual 2 Ohm and Dual 4 Ohm. This allows flexibility in adapting the Subwoofer to different amplifier systems and applications. The choice of the appropriate impedance variant depends on the specifications of the amplifier with which the Subwoofer is combined. A correct configuration ensures that maximum power is achieved without the risk of overload or suboptimization. The adjusted impedance contributes to the efficiency and longevity of the entire audio installation.

What does the V-ROM surround do for the DD Audio Subwoofer?

The V-ROM surround used in the Power Tuned 3515i ESP provides exceptional control over the linear movement of the cone. This Vario-Density Extended Range of Motion Surround technology is designed to enable dynamic and precise bass reproduction at high displacements. The integrated control ribs are compressed to a lower density compared to the main body of the surround, allowing for finely tuned regulation. This construction enhances stability while ensuring an elastic return of the cone, resulting in a clear, undistorted sound image.

Manufacturer information / responsible person

Audio Import Group
Pekka Kinnunen
Palkkitie 10
84100 Ylivieska
Finland

Contact: info@audioimport.fi

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