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  5. SL712

SL712

1 review

1000 Watt

SL712

1 review

Technical Highlights

  • Power of 1000 Watts RMS, impedance selectable 2 or 4 Ohms.
  • Wide frequency range from 30-300 Hz, cone diameter 12 inches.
  • Compact design, mounting depth of 140 mm, motor diameter 170 mm.
  • More technical details
€249.00
€249.00 €249.00
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ProductSL712 · D2 (2x2 Ohm)

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Impedance: D2 (2x2 Ohm)
Estimated delivery: Sep 23–Sep 30.
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DD Audio-SL712-12" (30cm) Subwoofer-masori-kaufen
€249.00
€249.00 €249.00

The SL712 from DD Audio is a 12 inch Subwoofer with a power handling of 1000 watts RMS. It features a 3 inch voice coil and operates in a frequency range of 30 to 300 Hz. The construction includes rigid low-mass cones, dual-layer spiders, and highly compressed EROM surrounds. The model is available in impedance variants D2 and D4. Additional features include flat cast frames and high-efficiency motors. The mounting depth is 140 mm with a motor diameter of 170 mm.

Features
  • 12 inch (30cm) Subwoofer
  • Power: 1000 watts RMS
  • Impedance: D2 or D4
  • 3 inch voice coil
  • Frequency range: 30 to 300 Hz
  • Rigid, lightweight cones
  • Dual-layer spiders
  • Highly compressed EROM surrounds
  • Flat cast frames
  • High-efficiency motors
Technical specifications
  • Diaphragm diameter: 304.8 mm
  • Fs: 29 Hz
  • Qms: 5.4
  • Qes: 0.62
  • Qts: 0.54
  • Vas: 39.2 liters
  • Xmech: 40 mm
  • Xmax: 19 mm
  • Frame outer diameter: 314 mm
  • Frame outer diameter with gasket: 318 mm
  • Mounting diameter: 289 mm
  • Mounting depth: 140 mm
  • Motor diameter: 170 mm
  • Motor depth: 63.5 mm
  • Woofer displacement: 2 liters
  • Closed enclosure: 19.8 – 42.5 liters
  • Open enclosure: 28.3 – 50 liters

Frequently Asked Questions about SL712

What performance features does the DD Audio SL712 Subwoofer offer?

The DD Audio SL712 Subwoofer is designed to deliver intense audio output with a maximum RMS power handling of 1000 watts. It is equipped with a 3-inch voice coil, allowing for high electrical capacity. The frequency range extends from 30 to 300 Hz, ensuring deep bass embedding and clarity. This makes it particularly suitable for various music applications, but it is especially ideal for rich and voluminous sounding audio. Noteworthy is the rigid and lightweight cone design, along with the dual-layer spiders, which provide stable performance in a compact format.

What are the dimensions of the SL712 and does it allow for easy installation?

The SL712 has an outer frame diameter of 12.375 inches (314 mm), reaching 12.5 inches (318 mm) including the gasket. The mounting diameter measures 11.375 inches (289 mm) with a mounting depth of 5.5 inches (140 mm). These dimensions allow for flexible integration into various environments, such as under or behind vehicle seats. Thanks to the shallow installation depth and moderate mounting diameter, minimal adjustments to existing vehicle modifications are required. You should also ensure that the installation is carried out according to the recommended enclosure volumes to guarantee optimal performance.

What impedance combinations does the SL712 Subwoofer offer?

The SL712 Subwoofer from DD Audio can be chosen in two impedance configurations, namely D2 and D4. These options allow for electrical matching to various amplifier systems to achieve the desired acoustic performance. Particularly for those who need to set specific loads within a professional audio installation, the variants offer sufficient flexibility and control over the acoustic dispersion. This allows you to perfectly adjust the sound profile according to personal taste and depending on the available equipment.

What makes the voice coil of the SL712 special?

The SL712 features a 3-inch voice coil that withstands high loads and enables efficient conversion of electrical signals into acoustic waves. This voice coil contributes to exceptional sound clarity and prevents distortion even at higher volumes. The use of materials with high thermal resistance ensures that the voice coil remains stable even under intense applications while delivering finely tuned frequency reproductions. You will particularly notice this difference with powerful bass lines or dynamic musical passages.

What are the suitable enclosure volumes for the SL712?

The DD Audio SL712 Subwoofer is designed for sealed and bass reflex enclosures. For a sealed construction, a volume range of 0.7 to 1.5 cubic feet (equivalent to 19.8 to 42.5 liters) is recommended. For bass reflex applications, the recommended volume is between 1 and 1.75 cubic feet (28.3 to 50 liters). These specifications ensure optimal performance and sound depth, as they are tuned to the resonant properties of the subwoofer. Make sure to seal the enclosure properly to avoid air leaks that could affect the acoustics.

What about the Thiele/Small parameters for the SL712?

The Thiele/Small parameters of the SL712 are crucial for optimal enclosure tuning. The Qts is 0.54, the Vas is 39.2 liters, and the Fs is 29 Hz. The Qms of 5.4 and Qes of 0.62 complete these characteristics. These values provide you with precise data for the design and tuning of your enclosure to maximize the efficiency and performance of the subwoofer. When applied correctly, these parameters ensure that the subwoofer can fully exploit its acoustic potential in terms of sound depth and declared power.

What makes the DD Audio SL712 particularly suitable for installation in vehicles?

The SL712 is perfect for installation in vehicles as it features a compact design that is ideal for trucks, under or behind seats, and motorcycle bags. Its flat cast frame and the ability to achieve high performance in both sealed and open enclosures make it extremely versatile. The low woofer displacement value of 2 liters (0.07 cubic feet) helps to optimally utilize the installation space without drastically affecting the area. Additionally, forward-thinking design approaches come into play, making installation easier and optimizing the acoustic space.

What is the maximum displacement of the SL712?

The DD Audio SL712 allows for significant diaphragm displacement with its Xmax of 19 mm, resulting in powerful and distortion-free bass reproduction even at high volumes. This is supported by the Xmech performance of 40 mm, which corresponds to the mechanical displacement limit before physical constraints come into play. These values ensure that even in high-power applications, the linearity of diaphragm movement is maintained. While the focus is on performance, the parameters provide the necessary elasticity to sound dynamic and powerful.

What is the woofer displacement of the SL712 and what effects does it have?

The woofer displacement of the SL712 is 2 liters (0.07 cubic feet), allowing for optimal integration of the speakers into more compact enclosures. When planning your enclosure, it is important to consider this value, as the actual usable volume requirement is influenced by the displacement. Crucially, the displacement is minimal in relation to enclosure integration to keep the impact on fidelity low. By taking this parameter into account during enclosure design, you can enhance volume efficiency and thus ensure maximized sound performance.

What frequency range does the SL712 offer and which music genres benefit from it?

The SL712 Subwoofer covers a frequency range of 30 to 300 Hz. This bandwidth makes it particularly suitable for music genres that require strong and precise bass, such as hip-hop, electronic dance music, and rock. With its deep bass reproduction, not only are the lower frequencies saturated, but mid-range frequencies are also clear and distinctly audible, providing a well-rounded sound experience. Such settings offer the ability to create detailed and full soundscapes in both small and large acoustic environments, ideal for music lovers who place high value on deep bass details.

Manufacturer information/responsible person

Audio Import Group
Pekka Kinnunen
Palkkitie 10
84100 Ylivieska
Finland

Contact: info@audioimport.fi

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