Product overview
Audiophile-Grade Subwoofer with Maximum Versatility
The HELIX IQ W10-DVC2 sets new benchmarks in the realm of high-performance subwoofers. Designed for discerning music enthusiasts who appreciate both powerful output and superior sound quality, this subwoofer combines cutting-edge technology, a robust construction, and outstanding flexibility. Thanks to its proprietary Tuneable Mass System (TMS), it allows for precise customization of the bass response, enabling it to unfold its full potential in any application – whether in compact sealed enclosures or high-output bass reflex systems.
Engineered for High Power and Deep Bass Performance
With the recommended power range of 300 to 750 Watts RMS, the HELIX IQ W10-DVC2 offers a wide range of applications and is particularly optimized for high-power amplifier configurations, ensuring consistently precise bass reproduction – even at extreme levels. Its 3-layer Fiberglass-Mylar honeycomb cone provides maximum rigidity and optimal internal damping, effectively minimizing distortion while ensuring tight, controlled, and dynamic low-frequency performance. Exceptional transient response ensures that even complex bass passages are reproduced clearly and with absolute precision.
Engineered for High Power and Deep Bass Performance
A highly efficient cooling system, featuring a large-diameter vented pole piece and an airflow-optimized basket design, enables continuous air circulation, preventing overheating and thermal compression. This ensures consistent performance, even under prolonged high-output operation, allowing the subwoofer to maintain full power and control at all times.
Proprietary Tuneable Mass System (TMS) – Fine-Tuning for Your Sound
The Tuneable Mass System (TMS) introduces an innovative approach to bass adjustment, offering a unique way to customize the acoustic characteristics of the subwoofer. By adding or removing specific weights within the dustcap, the moving mass of the driver can be modified, directly influencing the subwoofer’s response and efficiency.
Proprietary Tuneable Mass System (TMS) – Fine-Tuning for Your Sound
Depending on the chosen configuration, the subwoofer’s sonic profile changes significantly. Without additional weight, the subwoofer maintains a higher resonant frequency, ensuring maximum efficiency and fast transient response – ideal for high-output setups and tight, punchy bass reproduction. Adding mass lowers the resonant frequency, allowing for deeper and more authoritative bass, making it particularly well-suited for sealed enclosures or low-tuned bass reflex systems.
Proprietary Tuneable Mass System (TMS) – Fine-Tuning for Your Sound
This fine-tuning capability enables precise adaptation to enclosure volume and in-car acoustics. A higher moving mass extends low-frequency performance, whereas a lower moving mass improves efficiency, making the subwoofer suitable for operation with moderate amplifier power. This unparalleled flexibility makes the HELIX IQ W10-DVC2 the ideal choice for those seeking ultimate sound precision and adaptability.
Flexible Connection for Seamless System Integration
Equipped with a 2 × 2 Ohms dual voice coil, the HELIX IQ W10-DVC2 offers maximum compatibility with various amplifier setups. Depending on the wiring configuration, it can be operated, aside from the typical 2 x 2 Ohms configuration, at either 1 Ohm or 4 Ohms, making it the perfect match for high-power monoblock amplifiers as well as multi-subwoofer configurations. This ensures seamless integration into both existing and newly designed sound systems.
Flexible Connection for Seamless System Integration
Beyond its electrical adaptability, the subwoofer is designed for versatile enclosure compatibility. In sealed enclosures, it delivers tight, controlled bass with outstanding transient response, while in bass reflex systems, it provides exceptional low-frequency extension and immense output capability. This adaptability makes the HELIX IQ W10-DVC2 the ideal choice for a wide range of system applications.
Key features
- Audiophile grade subwoofer – ensures sublime sound quality with superior low frequency extension and accurate dynamics
- Engineered for high power – handles up to 750 Watts RMS for most demanding system designs
- Proprietary Tuneable Mass System (TMS) – adjustable cone weight allows fine-tuning of Thiele-Small-Parameters pre- and post-installations
- Powerful deep bass, unique dynamics – 3-layer Fiberglass-Mylar honeycomb cone for maximum precision and optimum inner damping
- Flexible connection – 2 x 2 Ohms dual voice coil for flexible system configuration
- Compact enclosure compatibility – high-performance subwoofer designed for space-saving installations
- Versatile in use – suitable for sealed and bass reflex enclosures for maximum flexibility in system design
- Sophisticated design – features a meticulous developed die-cast aluminum basket with an integrated grille for durability
Technical specifications
| – | +1 TM | +2 TM | +3 TM |
|---|---|
| Power handling RMS / max. | 750 / 1,500 Watts |
| Recommended amplifier power | from 300 Watts |
| Impedance | 2 x 2 Ω |
| DC resistance | 2 x 1.9 Ω |
| Resonance frequency | 38 Hz | 34 Hz | 30 Hz | 28 Hz |
| Mechanical Q factor | 6.0 |
| Electrical Q factor | 0.46 | 0.52 | 0.61 | 0.70 |
| Total Q factor | 0.43 | 0.48 | 0.55 | 0.63 |
| Compliance | 115 μm/N |
| Equivalent air volume | 21 L |
| Force factor | B*I | 17.8 Tm |
| Sensitivity | 89 dB @ 2.83V / 1m / 86 dB @ 1W / 1m |
| Cone area | 363 cm² |
| Moving mass | 158 g | 211 g | 264 g | 317 g |
| Cone material | Fiberglass-Mylar honeycomb cone |
| Mechanical resistance | 6.2 kg/s |
| Voice coil diameter | 63 mm |
| Voice coil winding height | 32 mm |
| Max. linear excursion | +/- 12 mm |
| Outer diameter | 275 mm / 10.83" |
| Installation diameter | 234.6 mm / 9.24" |
| Installation depth | 134.5 mm / 5.30" |
| Net volume (Sealed box) | 13 L | 19 L | 25 L | 30 L |
| Lower limiting frequency (-3dB) (Sealed box) | 65 Hz | 52 Hz | 40 Hz | 33 Hz |
| Net volume (Bassreflex-Gehäuse) | 27 L | 42 L | 50 L | 65 L |
| Port diameter | 80 mm |
| Port area | 50 cm² |
| Port length | 40 cm | 40 cm | 51 cm | 43 cm |
| Port tuning frequency | Fb | 35 Hz | 28 Hz | 23 Hz | 21 Hz |
| Lower limiting frequency (-3dB) (Bassreflex-Gehäuse) | 33 Hz | 25 Hz | 20 Hz | 18 Hz |
What you are ordering
The exact HELIX model shown above, APEX catalogue SKU Q431003. Review the listed inputs, outputs, impedance and system requirements before ordering.
Technical information verified against the official Audiotec Fischer product page.
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