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Sigma SSW08

350 Watt

Sigma SSW08

Technical Highlights

  • Output of 86.9 dB at 2.83V/1m, impedance of 2.2 Ω.
  • Resonant frequency of 57 Hz, sturdy paper cone, BL 15.8 Tm.
  • Dual 2-ohm voice coil, linear X-Max of +/8.5 mm.
  • More technical details
€149.00
€149.00 €149.00
2% discount with credit card
including VAT
Estimated delivery: Sep 15–Sep 18.
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datasheet
Two black Gladen Sigma SSW08 subwoofers are displayed—one features the logo, while the other highlights terminals and side details for your car audio system.
€149.00
€149.00 €149.00

Discover the Sigma SSW08 from Gladen, an 8" (20cm) Subwoofer that delivers powerful and precise bass. With a stable paper cone and a long-stroke voice coil, it efficiently converts amplifier power while minimizing unwanted distortion. The dual 2-ohm voice coil allows for flexible integration into various system designs. Thanks to optimally tuned parameters, the Subwoofer is suitable for both sealed and bass reflex enclosures, making it a versatile solution for high-performance car audio systems. Benefit from a clean bass impulse and precise reproduction, even at higher levels.

The GLADEN SIGMA SSW08 is the perfect solution for users who want to combine powerful bass with high precision. The 8" Subwoofer offers a significantly larger cone area and deeper bass than compact models, while remaining controlled and musical. Its balanced drive ensures clean bass impulses and precise reproduction, even at higher levels.

The stable paper cone combined with the long-stroke voice coil allows for efficient conversion of amplifier power and delivers punchy, controlled low frequencies without unwanted distortion. The dual 2-ohm voice coil enables flexible integration of the SSW08 into various system designs.

Thanks to optimally tuned parameters, it is suitable for both sealed and bass reflex enclosures, making it a versatile solution for high-performance car audio systems.

  • 8" Subwoofer with powerful, controlled bass
  • Long-stroke 2" voice coil with dual 2-ohm design
  • Efficient drive for clean bass impulses
  • Optimized for sealed and bass reflex enclosures

Technical Data

Material

  • Dust cap: PP
  • Voice coil holder: Aluminum
  • Spider: 5.5" PC Mix (Poly-Cotton blend)
  • Diaphragm: Paper
  • Surround: Foam
  • Basket: Steel

Specifications

  • Recommended enclosure volume: 4-8 liters
  • X-Max linear (+/-): 8.5 mm
  • DC resistance (Rdc): 1.8 Ω (dual)
  • Nominal impedance (Z): 2.2 Ω
  • Resonance frequency (Fs): 57 Hz
  • Voice coil diameter: 50 mm
  • Voice coil height: 25 mm
  • Mechanical quality (Qms): 7
  • Electrical quality (Qes): 0.54
  • Total quality (Qts): 0.5
  • Moving mass (Mms): 109 g
  • Diaphragm area (sd): 201 cm2
  • Suspension compliance (Cms): 0.07mm/N
  • Force factor (BL): 15.8 Tm
  • Equivalent air volume (Vas): 3.99 liters
  • Efficiency (η): 0.13 %
  • SPL 2.83V/1m: 86.9 dB
  • Outer diameter: 214 mm
  • Mounting diameter: 183 mm
  • Mounting depth: 120 mm

Frequently Asked Questions about Sigma SSW08

How is the bass of the Sigma SSW08 optimized?

The Sigma SSW08 from Gladen integrates a long-stroke 2-inch voice coil with a dual 2-ohm configuration, allowing for robust adaptation to various systems. The subwoofer uses a stable paper cone, supported by an aluminum voice coil holder and a dust-protected PP cap, ensuring precise bass reproduction with high efficiency. The efficiency factor of 0.13% combined with a resonant frequency of 57 Hz and a moving mass of 109 g guarantees deeper, controlled lows without distortion. This is complemented by a cone area of 201 cm², providing powerful, accurate bass impulses, ideal for demanding car audio systems.

Which Thiele Small parameters define the Sigma SSW08?

The Thiele Small parameters of the Gladen Sigma SSW08 are crucial for its powerful sound reproduction and flexibility in enclosure adaptation. With a total Q factor (Qts) of 0.5, it offers a balanced mix of efficiency and control. The mechanical Q value (Qms) is 7, while the electrical Q value (Qes) is 0.54. The resonance frequency (Fs) of 57 Hz, combined with a compliance (Cms) of 0.07 mm/N, defines the deep frequencies. The force factor (BL) is very strong at 15.8 Tm, optimizing the drive of the deep bass. These parameters help achieve optimal results in both sealed and bass reflex enclosures.

Where and how can I install the Sigma SSW08 in the car?

You can easily install the Sigma SSW08 from Gladen in many common car models, provided you have the necessary space. The recommended enclosure size ranges from 4 to 8 liters, making it very versatile. When measuring, note that the outer diameter is 214 mm, while the cutout diameter is 183 mm. The installation depth of 120 mm fits into many standard enclosures. For optimal sound, you can use it in both sealed and bass reflex enclosures. The installation requires precise measurements and clean work, especially regarding sealing.

What types of enclosures are compatible with the Sigma SSW08?

The Sigma SSW08 from Gladen is optimized for use in both sealed and bass reflex enclosures. Thanks to its robust construction with a paper-based diaphragm and an aluminum voice coil holder, it can meet the varying demands of both enclosure types. The subwoofer is designed for a recommended enclosure volume of 4 to 8 liters, making it very flexible. Features such as the low resonance frequency of 57 Hz and the dual 2-ohm voice coil allow for precise sound adjustment to specific enclosure requirements and ensure efficient bass production.

What materials were used in the Sigma SSW08?

The Sigma SSW08 from Gladen is made with a variety of high-quality materials that contribute to its durability and performance. The diaphragm is made of a sturdy paper material that promotes efficient sound radiation. The foam surround supports the moving diaphragm in producing clean, undistorted bass. An aluminum voice coil holder ensures the stability of the 50 mm voice coil. The subwoofer has a 5.5-inch spider made from a poly-cotton blend for added stiffness. The steel basket provides the necessary structure and supports the entire unit at every frequency.

What are the advantages of the dual 2-ohm voice coil of the Sigma SSW08?

The dual 2-ohm voice coil of the Sigma SSW08 from Gladen offers crucial flexibility in configuring car audio systems. With a DC resistance (Rdc) of 1.8 Ω (dual) and a nominal impedance (Z) of 2.2 Ω, it allows for easy integration of different impedance requirements, significantly simplifying the adaptation to various amplifier options. With the dual configuration, you can wire the subwoofer in parallel or in series to optimize the overall impedance and thus the power consumption. This flexibility is particularly useful for ensuring the best possible acoustic performance in various installation environments.

What does the efficiency of 0.13% mean for the Sigma SSW08?

The efficiency of 0.13% of the Gladen Sigma SSW08 Subwoofer refers to the efficiency with which the subwoofer converts electrical power into acoustic power. Although it may seem low compared to some subwoofers with higher percentages, this is related to the specific design focused on maximum sound pressure and precision under constrained space conditions. In practice, this means that the Sigma SSW08 delivers powerful, distortion-free bass at moderate power consumption. The important parameter here is the SPL value of 86.9 dB at 2.83V/1m, which proves that the subwoofer can generate high sound pressure levels even at low voltage.

What features support the sound quality of the Sigma SSW08?

The sound quality of the Gladen Sigma SSW08 is supported by several key factors. Its diaphragm area of 201 cm² allows for wide sound radiation. The resonance frequency of 57 Hz contributes to deep, clean bass tones. The mechanical quality factor of 7 and the electrical quality factor of 0.54 work together to maintain high sound clarity and control. The subwoofer has a significant force factor (BL) of 15.8 Tm, which supports precise diaphragm control at high volumes. These features together ensure a strong presence of low frequencies, ideal for demanding audio setups.

What should be considered regarding the dimensions when installing the Sigma SSW08?

When installing the Gladen Sigma SSW08, attention must be paid to the specific dimensions to ensure an optimal fit and sound quality. The outer diameter of the subwoofer is 214 mm, and the cutout diameter is 183 mm. The mounting depth of 120 mm requires careful consideration of the installation space within the enclosure. A precise fit is important to prevent unwanted vibrations and to ensure that the sound waves are optimally radiated. Adhering to these specifications ensures that the subwoofer can fully unleash its acoustic potential.

What is the resonance frequency of the Sigma SSW08 and why is it important?

The Gladen Sigma SSW08 has a resonance frequency of 57 Hz. This frequency is an important parameter as it determines the frequency at which the diaphragm of the subwoofer naturally resonates, ensuring maximum efficiency in bass reproduction. A lower resonance frequency allows for deeper bass to be reproduced more efficiently, resulting in a fuller, more spacious sound image. The resonance frequency is particularly crucial when the subwoofer is used in various enclosure types such as sealed or bass reflex boxes to optimally adapt the bass reproduction to the environment.

Manufacturer information/responsible person

Gladen Europe GmbH
Alexandra Gladen

Postal address:
Bertha-Benz-Str. 97
2141 Walddorfhäslach
Germany

Contact: info@gladen.com

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