They are perfect for OEM upgrades with many sizes to choose from to suit a wide variety of vehicles. (High Amplitude Multi-Roll) surround is now found on the S-Series speakers. This proven technology increases excursion while maintaining accuracy and linearity.
The multi-roll design allows an even unfolding of the surround, which creates incredible linearity and colorisation rejection. The S-Series speakers have a large voice coil. The 6.5-inch and 6x9-inch models for example feature a 35-mm voice coil, and this large voice coil size increases their driving power and control of the motor. The S-Series speakers are the first in the industry to use a material called CFRP (Carbon Fibre Reinforced Plastic), a very lightweight yet rigid material.
On a standard, off-the-shelf oval cone, the edges are naturally weaker than the centre due to the elongated shape. Since the CFRP material is directional, it can be manipulated during the moulding process to strengthen the areas of the cone that are normally weak.
The result is rigidity throughout the cone that delivers accurate and efficient performance. CFRP (Carbon Fibre Reinforced Plastic) cone with specialised rubber surround.HAMR (High Amplitude Multi-Roll) Surround. Large 35 mm Voice Coil. Tweeter Type: 1 Wide-Range Silk Dome. Application Type: External/Swivel Tweeter Mounting Kit. Grade: In-line 2nd order Network Design.
RMS Power: 85 Watts (CTA-2031 Compliant). Frame 161 x 237 mm. Mounting Depth: 74.4 mm. Mounting Height: 7.4 mm. Frequency Range: 65 Hz - 22 kHz.