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Sigma SSWx12
Technical Highlights
- Extrem kraftvoller Subwoofer mit 12" Durchmesser, 2x2 Ω Impedanz.
- Steife Fiberglasmembran kontrolliert großen Membranhub, 15 mm X-max.
- 65 mm Schwingspule, 1,8 Ω Gleichstromwiderstand, 295 g Mms.
- More technical details
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Sigma SSWx12 by Gladen
Discover the Sigma SSWx12, a 12" (30 cm) Subwoofer from Gladen. This high-performance subwoofer delivers powerful and precise bass, making it ideal for anyone seeking a top-notch sound experience in their vehicle. With its dual 2 Ohm design, it can be flexibly adapted to various amplifiers. The subwoofer is optimized for both sealed and bass reflex enclosures. Key features include an extremely powerful high-performance drive, a stiff, highly durable diaphragm, and a long-stroke high-performance voice coil. It offers maximum sound pressure and is designed for physical bass pressure installations.
The GLADEN SIGMA SSWX12 is uncompromisingly designed for maximum deep bass, extreme level stability, and absolute control. As the largest and most powerful model in the SIGMA series, it is intended for installations where physical bass pressure and long-term durability are paramount. This subwoofer is not built for restraint but to dominate the interior space.
Its massive high-performance drive with a large voice coil controls the diaphragm confidently and with low distortion even at maximum stroke. Combined with the extremely stiff and highly durable diaphragm, the SSWX12 delivers deep-reaching bass with enormous authority—even under sustained high power demands. This is where it showcases its strength: uncompromising output without loss of control.
Thanks to its dual 2 Ohm design, the SSWX12 can be flexibly adapted to powerful mono and multi-channel amplifiers. It is optimized for sealed and bass reflex enclosures and forms the perfect foundation for uncompromising high-power car audio systems.
- High-power 12" subwoofer for maximum sound pressure
- Extremely powerful high-performance drive
- Stiff, highly durable diaphragm
- Long-stroke high-performance voice coil (Dual 2 Ohm)
Technical Data
Material
- Dust cap: PP
- Voice coil holder: Aluminum
- Spider: 7" PC Mix (Poly-Cotton blend)
- Diaphragm: Fiberglass
- Surround: Foam
- Basket: Aluminum
Data
- Recommended enclosure volume: 28-32 liters
- X-Max linear (+/-): 15 mm
- DC resistance (Rdc): 1.8 Ω (dual)
- Nominal impedance (Z): 2x2 Ω
- Resonance frequency (Fs): 32 Hz
- Voice coil diameter: 65 mm
- Voice coil height: 40 mm
- Mechanical quality (Qms): 7.08
- Electrical quality (Qes): 0.53
- Total quality (Qts): 0.5
- Moving mass (Mms): 295 g
- Diaphragm area (sd): 531 cm2
- Suspension compliance (Cms): 0.07mm/N
- Force factor (BL): 21.2 Tm
- Equivalent air volume (Vas): 28.4 liters
- Efficiency (η): 0.21 %
- SPL 2.83V/1m: 88.5 dB
- Outer diameter: 330 mm
- Mounting diameter: 283 mm
- Mounting depth: 172 mm

