Alpine, SPR-50
5-1/4" (13cm) COAXIAL 2-WAY SPEAKER
Type-R speakers are engineered to deliver prodigious power while maintaining extreme sound clarity, for totally exciting sound. They provide high power handling, wide frequency response and a powerful bass kick. The Type-R series includes both component and coaxial models, both of which are highly efficient and provide good installability in a wide range of vehicles.
Impressively Powerful Bass
Using some of the same technologies as the Type-R subwoofers, such as HAMR Surround for extremely long cone excursion while maintaining maximum control, these speakers deliver deep, muscular bass that
Compact for Easy Installation
Thanks to a powerful, compact neodymium magnet, small network and slim basket, the Type-R speakers are much more compact than you would expect, allowing installation in the doors of a wide range of vehicles.
Superb Sound Quality
Type-R speakers employ many high quality parts and advanced designs, including a multilayer cone that is both light and strong, and a Linear Drive Magnet and Dual Gap Voice Coil structure that ensures maximum linearity for optimum sound quality.
Swivel Tweeter
Both component and coaxial models feature a ring tweeter that swivels to improve off-axis response in less-thanideal locations. You can aim it by hand for best imaging and staging at your listening position.
SPECIFICATIONS
Power Handling
- Peak Power: 270 Watts
- RMS Power: 90 Watts
Dimensions
- Woofer Mounting Diameter: 118 mm
- Woofer Mounting Depth: 57 mm
General
- Frequency Response: 70Hz - 29 kHz
- Impedance: 4 Ohms
- Sensitivity: 87 dB/W (1m)
FEATURES
Tweeter
- 1′′ (2.5cm) Ring Radiator Tweeter
- Large Aluminum Voice Coil
- Neodymium Magnet
- Swivel Application
Woofer
- Hybrid Multi Layer Cone
- Linear Drive Technology
- HAMR Surround
- Large Aluminum Voice Coil
- Copper Square Wire
- Ultra High Density Neodymium Magnet
- Shallow Mounting Desing
- Mounting Adapter Kit Included