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Alpine SPR-50C

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Alpine SPR-50C


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Automotive Home Audio Marine


Alpine's Type-R performance speakers are compact and light thanks to a smaller neodynium magnet and a strong yet light HD polymer frame allowing for easier installation in a wider range of vehicles. Even the crossover is 75% smaller than its predecessors. The new Type-R speakers are also much more efficient, makeing them the perfect match for built-in head unit power, the KTP-445 Power Pack, or a high powered amplifier like the MRX or PDX series.

The Type-R speaker range have taken a huge leap forward with High-Amplitude Multi-Roll (HAMR) technology, adapted from Alpine's popular Type-R subwoofers, which provides clean, high-impact bass performance. The patented linear drive motor design uses a neodymium magnet and square-wire voice coil to provide linear motion over an extremely wide excursion range. The wave guide optimises the acoustic impedance for smooth response and enhanced vocal clarity, both on and off axis. The ring tweeter with EQ ring and copper cap enhances both detail and output, while the swivel mount allows the sound to be focused for the best in-car performance.

Type-R speakers deliver solid performance, superior linearity, efficiency, and great bass response. Type-R are without compromise the perfect balance of power and control.


  • Peak Power Handling: 300W
  • RMS Power Handling: 100W
  • Nominal Impedance: 4ohms
  • Frequency Response: 70Hz - 29kHz
  • In-Line High Quality Crossover
  • 4 Step Crossover Attenuation
  • Neodymium Magnet
  • HD Polymer Frame
  • Sensitivity: 87dB (1W/1m
  • Tweeter Mounting Diameter (mm): 37.9mm
  • Tweeter Mounting Diameter (in): 1-1/2''
  • Tweeter Mounting Depth (mm): 19mm
  • Tweeter Mounting Depth (in): 3/4''
  • Woofer Diameter (mm): 130mm
  • Woofer Diameter (in): 5-1/8''
  • Woofer Mounting Diameter (mm): 118mm
  • Woofer Mounting Diameter (in): 4-11/16''
  • Woofer Mounting Depth (mm): 57mm
  • Woofer Mounting Depth (in): 2-1/4''
  • Crossover Size (mm): 63mm x 32mm x 24mm
  • Crossover Size (in): 2-1/2'' x 1-1/4'' x 15/16''

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