Description
Alpine S-S57
5x7 inch Coaxial Speakers
S-Series Speakers
The all-new Alpine S-S57 S-Series speakers are forged with new materials and innovative manufacturing techniques to deliver amazing sound quality beyond their price range.
They feature Alpine’s HAMR surround for high linearity and accuracy, as well as a new patented CFRP cone for excellent clarity and responsiveness.
With their extreme efficiency makes them perfect for OEM upgrades, plus with many sizes available they suit a wide variety of vehicles.
Alpine HAMR Surround
Alpine’s patented H.A.M.R. (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.
Industry First CFRP Woofer Cone
The S-Series speakers set an industry first, utilising CFRP (Carbon Fiber Reinforced Plastic), a very lightweight yet rigid material. On an ordinary oval cone, the edges are naturally weaker than the center due to the elongated shape. However, CFRP material is directional, and can be manipulated during the molding 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.
Features
Woofer
- CFRP (Carbon Fiber Reinforced Plastic) cone with specialised rubber surround
- HAMR (High Amplitude Multi-Roll) Surround
- Magnet Material: Ferrite
Tweeter
- Tweeter Type: 1″ Wide-Range Silk Dome
- Magnet Material: Neodymium
Specifications
Power Handling
- Peak Power: 230 Watts
- RMS Power: 75 Watts (CTA-2031 Compliant)
Dimensions Woofer
- Frame 108mm x 126mm
- Mounting Depth: 71.5
- Mounting Height: 11 mm
- Magnet: 182 x 125
General
- Frequency Range: 73 Hz – 22 kHz
- Impedance: 4 Ohms
- Sensitivity: 88 dB/W
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