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Helix S 3M Midrange Speaker
₹30,999.00
The HELIX S 3M is a premium 3” midrange driver engineered for high-end active 3-way systems. Featuring a basalt-fiber-paper compound cone, a compact neodymium magnet system, and a low-resonant fiberglass-reinforced basket, it delivers precise, uncolored mids with extremely low distortion. Ideal when paired with HELIX S 1T tweeters and S 6B or S 4B woofers, the S 3M ensures audiophile-grade sound quality in any setup.
Description
HELIX S 3M – High-End 3” Midrange Driver for Active 3-Way Systems
The HELIX S 3M is designed to deliver maximum sound quality and precision, making it the perfect addition to fully active 3-way speaker systems. With its innovative basalt-fiber-paper compound cone, this midrange driver ensures crystal-clear sound reproduction, even at high volume levels.
Uncompromising Sound Quality
The basalt-fiber-paper diaphragm provides the ideal balance of low weight, high rigidity, and superior internal damping. This guarantees natural, distortion-free mids with maximum clarity. The linear neodymium magnet system further reduces distortion, offering smooth and precise sound reproduction across the midrange spectrum.
Smart Engineering & Elegant Design
Built with a fiberglass-reinforced low-resonant basket and optimized voice coil cooling, the HELIX S 3M supports high power handling and long-term durability. Supplied with protective grilles, it not only performs exceptionally but also integrates seamlessly into any system design.
Perfect System Integration
The HELIX S 3M forms a dream team when combined with the HELIX S 1T tweeter and HELIX S 6B / S 4B woofers. Paired with an Audiotec Fischer amplifier and DSP, it achieves outstanding performance, setting the foundation for true reference-level car audio systems.
Key Features
- 3” / 75 mm midrange driver with basalt-fiber-paper compound cone for precise and natural sound.
- Compact neodymium magnet system ensures linear drive and extremely low distortion.
- Fiberglass-reinforced low-resonant basket with optimized voice coil cooling for better power handling.
- Protective grille included for durability and stylish integration.
- Perfect complement for HELIX S 1T tweeter and HELIX S 6B / S 4B woofer in fully active 3-way systems.
Scope of Delivery
- 2 x HELIX S 3M midrange speakers
- 2 x Grilles
- 1 x Data sheet
- 1 x Mounting pattern
Specification
| Technical Data | Details |
|---|---|
| Power RMS / Max | 75 W / 150 W (highpass > 400 Hz at 24 dB/Oct.) |
| Impedance (Z) | 4 Ω |
| DC Resistance (Re) | 3.2 Ω |
| Frequency Response | 400 Hz – 6,000 Hz |
| Resonance Frequency (Fs) | 130 Hz |
| Mechanical Q Factor (Qms) | 4.47 |
| Electrical Q Factor (Qes) | 0.48 |
| Total Q Factor (Qts) | 0.43 |
| Compliance (Cms) | 396 µm/N |
| Equivalent Air Volume (Vas) | 0.57 L |
| Force Factor (B*I) | 4.6 Tm |
| Sensitivity (SPL, 1 W/1 m) | 86 dB |
| Cone Area (Sd) | 32 cm² |
| Moving Mass (Mms) | 3.8 g |
| Cone Material | Basalt-fiber-paper compound |
| Mechanical Resistance (Rms) | 0.69 kg/s |
| Voice Coil Diameter | 25 mm |
| Voice Coil Winding Height | 8 mm |
| Max. Linear Excursion (Xmax) | ± 2 mm |
| Outer Diameter | 90 mm / 3.54″ |
| Installation Diameter | 73 mm / 2.87″ |
| Installation Depth | 37 mm / 1.46″ |
| Net Volume | System Resonance | Recommended Crossover Frequency | Min. Filter Slope |
|---|---|---|---|
| 0.2 L | 230 Hz | 500 Hz | 12 dB/Oct. |
| 0.4 L | 190 Hz | 450 Hz | 18 dB/Oct. |
| 0.6 L | 170 Hz | 400 Hz | 24 dB/Oct. |
Note: The enclosure should always be filled with suitable damping material.
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