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DD Audio

HI-DEF SL612

12" (30cm) Flat Subwoofer

279,00€
279,00€ 279,00€
incl. VAT , possibly plus shipping

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Highlights

  • Power: 300-600W RMS, 1200W max., Impedance: D2/D4.
  • High temperature 2.5" voice coil, 72oz magnet, EROM surround.
  • Three-layer flat membrane body, 10.5cm installation depth.
Impedance: D2 (2x2 Ohm)
Seen more cheaply Personal Offer
brand: DD Audio
Delivery time:
Available to you in 5-10 days
Number:
Piece
Watt RMS:
600
Subwoofer Type:
Flat subwoofer
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DD Audio-HI-DEF SL612-12" (30cm) Flachsubwoofer-masori-kaufen
279,00€
279,00€ 279,00€

The subwoofers of the SL600 series, which includes the DD Audio HI-DEF SL612 12" (30cm) flat subwoofer, are characterized by a very low installation depth, and the suspensions have been tuned to perform excellently in sealed and small bass reflex enclosures. To ensure high load capacity, good cooling, and large excursion, the SL600 subwoofers are equipped with 2.5-inch high-temperature voice coils, 72-ounce magnets, back plate coil ventilation, and an EROM surround. One of the unique features of the SL600 is the three-layer flat cone. By compressing a foam layer between two pulp layers, the cone is as light and stiff as a standard cone, yet flat enough to allow for a travel distance equivalent to that of a full-size subwoofer.

Features

  • 12" (30cm) subwoofer with EROM surround
  • High temperature 2.5" vibrating coil
  • Double-layer Spider System
  • Three-layer flat membrane body
  • 72oz-Magnet
  • Ventilation of the winding gap on the back plate
  • DD-Aluminum casting frame
  • Speaker size (In): 12
  • Watt RMS: 300 - 600
  • Watt peak power: 1200
  • Impedance: D2 / D4
  • Oscillating coil (inch): 2.5

data

  • Fs (Hz): 27
  • Qms: 7.906
  • Qes: 0.432
  • Qts: 0.409
  • Vas: 68.349
  • Xmech (MM): 40
  • Xmax (MM): 14.5

Dimensions

  • Frame outer diameter (cm): 31.9
  • Frame outer diameter with seal (cm): 32.5
  • Mounting diameter (cm): 28.7
  • Installation depth (cm): 10.5
  • Motor diameter (cm): 16.51
  • Motor depth (cm): 3.81
  • Displacement of the subwoofer: 0.06 liters
  • Shipping weight: 8 kg

Housing recommendation

  • Closed housing: 22.5-42 liters
  • Bass reflex enclosure: 28-50 liters
The DD Audio HI-DEF SL612 is a 12-inch flat subwoofer with an RMS power range of 300 to 600 watts and a peak power of up to 1200 watts. The impedance of the subwoofer is selectable between D2 and D4 to provide versatile connection options. The subwoofers in the series are optimized for low frequencies, with the Thiele-Small parameter Fs set at 27 Hz, allowing the subwoofer to reproduce deep bass tones accurately. Furthermore, the HI-DEF SL612 exhibits a high excursion (Xmax) of 14.5 mm and a remarkable Xmech of 40 mm, underscoring its ability to remain flexible under extreme bass demands.
The DD Audio HI-DEF SL612 subwoofer features an innovative three-layer flat diaphragm body. The cone consists of a foam layer compressed between two pulp layers, giving it exceptional stiffness and lightness. This design allows for a comparable excursion to traditional subwoofers, but with a reduced overall depth. The diaphragm can handle large displacements, resulting in powerful and deep bass frequencies without straining the construction. This is particularly optimal for smaller enclosures with sealed or bass reflex systems.
With a mounting depth of only 10.5 cm, the HI-DEF SL612 is ideal for installations in limited installation volumes. It is designed for sealed enclosure volumes of 22.5 to 42 liters and bass reflex enclosures of 28 to 50 liters. The small space requirement and flexible enclosure integration allow for installation in a variety of vehicle types. The compact dimensions and compatibility with sealed and bass reflex concepts make it an excellent choice for applications where space is a crucial factor, without having to compromise on sound quality.
The HI-DEF SL612 is equipped with a powerful 72-ounce magnet that provides a strong magnetic flux density to drive the diaphragm. To optimize cooling and increase performance continuity, it is also equipped with a special ventilation system. The rear wall coil ventilation and the EROM surround significantly improve heat distribution. Particularly during intense use or high volume, the ventilation of the coil gap reduces the risk of overheating, contributing to longevity. These features not only support durability but also ensure consistent performance under demanding conditions.
The DD Audio HI-DEF SL612 offers flexible connection options by choosing between two impedance options: D2 (2 Ohm) and D4 (4 Ohm). This dual wiring allows the subwoofer to be adapted to the specific requirements of the audio system and to achieve the best possible performance regardless of the amplifier's channel count. Whether a series or parallel connection is preferred, the versatile impedance options make the SL612 compatible with a variety of amplifier types, promoting optimized sound tuning and system integration.
For the best bass sound, you should position the HI-DEF SL612 so that the flat diaphragm can vibrate freely. Classic and bass reflex enclosures benefit when the subwoofer operates rearward or against a stable surface that serves as a sound reflector. Pay attention to the frame dimensions of 31.9 cm in outer diameter and 32.5 cm with gasket to ensure a precise installation. The suitable mounting diameter is 28.7 cm. These measurements support an exact installation that optimizes sound performance and increases the product's lifespan.
The EROM surround (Enlarged Roll Over M-Roll) of the subwoofer offers a larger roll surface, improving deformation capability and allowing for extreme membrane excursions. This property leads to enhanced bass reproduction through increased flexibility. An optimal constellation can also positively influence the resonance behavior in the lower frequency range through the EROM surround, resulting in excellent fidelity of bass tones. Especially in dynamic music genres or films with intense deep bass frequencies, the DD Audio HI-DEF SL612 with its surround demonstrates spectacular performance characteristics.
Yes, thanks to its low installation depth of only 10.5 cm and flexible design, the HI-DEF SL612 is excellent for use in small vehicles. It is optimal when space for larger subwoofers is limited, without compromising on performance. The speaker's frame is designed to fit into confined vehicle spaces, while the three-layer flat cone provides an adequate sound body. The ability to work effectively in small sealed or bass reflex enclosures emphasizes that the SL612 meets the demands of modern vehicles without loss of sound power.
The Thiele-Small parameters of the HI-DEF SL612 are crucial for its acoustic performance. With an Fs of 27 Hz, they provide a solid foundation for deep bass reproduction. The Qms parameter (7.906) indicates the mechanical quality, while Qes (0.432) points to the electrical quality, contributing to an overall system value Qts of 0.409, which signals robustness and efficiency. The Vas of 68.349 liters expresses the volume of the acoustically sealed system, which is equivalent to the suspension of the driver. These parameters assist in choosing the appropriate enclosure to achieve maximum sound fidelity.
The DD aluminum cast frame of the HI-DEF SL612 subwoofer provides outstanding structural integrity and heat dissipation. Aluminum offers a solid foundation that ensures stability, especially at high volumes and intense vibrations. The rigidity of the frame minimizes unwanted resonances that could distort the sound. Furthermore, the robust design contributes to durability, reduces the possibility of physical deformations, and is resistant to heat effects due to the natural thermal conductivity of the metal. These properties contribute to consistent bass output and high sound clarity.

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

12" (30cm) flat subwoofer

Features

  • Highlights

    • Power: 300-600W RMS, 1200W max., Impedance: D2/D4.
    • High temperature 2.5" voice coil, 72oz magnet, EROM surround.
    • Three-layer flat membrane body, 10.5cm installation depth.

  • Uvp

    279

weight

7.5 kg

Watt RMS Load Capacity

600

configurators

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Your advantages with Masori

Optimal sound with the DD Audio HI-DEF SL612 buy online at masori.de

Discover the exceptional DD Audio HI-DEF SL612 12 flat subwoofer, offering an impressive combination of compact design and powerful sonic features. With a power handling of 300 to 600 watts RMS and a peak power of 1200 watts, you're guaranteed to enjoy rich bass. Experience DD Audio precision with the dual impedance selection of D2/D4 and a state-of-the-art 2.5-inch high-temperature voice coil. The extremely flat design allows for effortless installation in virtually any vehicle. Secure your Masori lowest price guarantee for unrivaled value and immerse yourself in the world of premium car hi-fi sound.

Innovative design and material of the three-layer flat membrane body

The three-layer flat-cone cone body of the DD Audio HI-DEF SL612 is an engineering masterpiece. This innovative construction consists of two layers of cellulose enclosing a layer of foam. This results in a unique combination of lightness and rigidity while ensuring a flat shape. This design allows the subwoofer to offer similar freedom of movement to a conventional full-size subwoofer. These features enable impressive performance without compromising on installation depth, making it ideal for use in space-constrained solutions. Greater mass would limit the cone's agility, while reduced rigidity could reduce sound quality.

12-inch subwoofer compatibility and adaptability

With an actual diameter of 31.9 cm and 32.5 cm including the gasket, the DD Audio HI-DEF SL612 is designed to fit within the standards of 12-inch subwoofers. This simplifies replacement in existing systems and offers flexibility in cabinet selection. Compatibility is not limited to physical dimensions, but also includes optimization for sealed enclosures from 22.5 to 42 liters and bass-reflex enclosures from 28 to 50 liters. A driver of the same size with a different installation depth or cabinet requirement could offer less flexible application options and complicate adaptation to existing system limitations.

First-class voice coil and magnet for optimal cooling and excursion

The DD Audio HI-DEF SL612's 2.5-inch high-temperature voice coil is specially engineered to withstand high loads. It's supported by a 72-ounce magnet, which provides significant magnetic flux density. Cooling and air circulation are optimized by the coil vent on the rear plate. This prevents thermal overheating and ensures long-term stability, even under intensive use. A larger voice coil or a stronger magnet could compromise efficiency, while a design that's too small would limit power handling.

Technical fascination: Thiele-Small parameters of the DD Audio HI-DEF SL612

The specific Thiele-Small parameters of the DD Audio HI-DEF SL612 demonstrate a well-thought-out development philosophy. With a resonant frequency (Fs) of 27 Hz, a mechanical quality factor (Qms) of 7.906, and an electrical quality factor (Qes) of 0.432, the subwoofer underscores its excellent bass reproduction. The total quality factor (Qts) of 0.409 demonstrates a well-balanced performance between control and efficiency, while the equivalent volume (Vas) of 68.349 reveals suitability for various cabinet sizes. A lower Vas value would reduce the cabinet requirements but could affect the low-frequency capability.

Balance through the double-layer spider system

The DD Audio subwoofer's dual-layer spider system ensures a perfect balance between voice coil stability and flexibility. This adjustment allows for precise control over the diaphragm movement without sacrificing stability. The interaction of the two layers achieves even force distribution, contributing to fine detail reproduction. A less complex spider design, on the other hand, could result in erratic performance or even damage to the diaphragm.

Dimensions and mounting: Small details with a big impact

With a mounting depth of just 10.5 cm, installing a DD Audio HI-DEF SL612 is straightforward and requires minimal space. The motor itself has a diameter of 16.51 cm and a depth of 3.81 cm, allowing for easy integration into a wide variety of vehicles without major modifications. A comparable subwoofer with larger dimensions would require more frequent adjustments during installation, which could add time and effort to the installation.

Delay-free performance thanks to rear coil ventilation

The DD Audio HI-DEF SL612 subwoofer utilizes a rear coil ventilation system for efficient heat dissipation. This innovation is critical to protecting the voice coil from overheating and preventing thermal lag from negatively impacting sound quality. This type of airflow increases reliability in high-performance scenarios where other systems without this technology might rapidly degrade performance.

EROM bead for extended excursion and control

The patented EROM surround of the DD Audio subwoofer offers a design that allows for high flexibility and long excursions of up to 14.5 mm. This precise control of the cone movement allows for the powerful reproduction of both deep and precisely principled bass sounds. A conventional surround would potentially compromise this combination, resulting in compromises in sound performance.

Recommended by experts: Support and integration by Masori

Benefit from Masori's comprehensive range of services to get the most out of your DD Audio HI-DEF SL612. Get a professional installation on-site in Frankfurt (Oder) or contact our expert support FAQ & help with any questions. Our audio blog also offers in-depth insights into how to get the most out of your car hi-fi system. Discover our diverse range of products to take your car hi-fi experience to the next level.