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The HELIX S 1T is designed to elevate your car audio system with unmatched precision in high-frequency reproduction. Featuring a 1” / 25 mm coated silk dome and a high-efficiency neodymium magnet, this tweeter ensures natural, balanced sound with outstanding clarity.
Its exclusive anodized aluminum mounting cup with a removable grille not only protects the delicate dome but also adds a premium touch. For flexible installation, the tweeter unit can be removed from the cup, making integration into any vehicle effortless.
Perfectly suited for high-resolution sound systems, the HELIX S 1T guarantees uncompromising performance, low distortion, and elegant design — turning every setup into a true “high”-light.
Key Features
- 1” / 25 mm tweeter with high-efficiency neodymium magnet and coated silk dome.
- Crystal-clear highs with balanced, natural sound reproduction and minimal compression.
- Premium anodized aluminum mounting cup with removable grille in exclusive HELIX design.
- Compact dimensions with removable tweeter unit for flexible vehicle integration.
- Precision manufacturing with the lowest possible production tolerances.
- Includes complete installation material for hassle-free setup.
Scope of Delivery
- 2 x Tweeter HELIX S 1T (incl. flush mount)
- 2 x Fitting spring
- 1 x Mounting material
| Specification | Details |
|---|---|
| Power RMS / Max. | 100 / 200 Watts (highpass > 3,000 Hz at 12 dB/Oct.) |
| Impedance (Z) | 4 Ω |
| DC Resistance (Re) | 3.4 Ω |
| Frequency Response | 2,500 Hz – 25,000 Hz |
| Resonance Frequency (Fs) | 1,600 Hz |
| Sensitivity (SPL, 1 W / 1 m) | 91 dB |
| Voice Coil Diameter | 25 mm |
| Cone Area (Sd) | 4.9 cm² |
| Moving Mass (Mms) | 0.3 g |
| Cone Material | Coated silk dome |
| Outer Diameter | 51 mm / 2.0″ |
| Installation Diameter | 45 mm / 1.77″ |
| Installation Depth | 14 mm / 0.55″ |
| Slope | Minimum Crossover Frequency |
|---|---|
| 6 dB/Octave | 4,000 Hz |
| 12 dB/Octave | > 3,000 Hz |
| 24 dB/Octave | > 2,500 Hz |
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