SPR-50C – Type R

  • SPR-50C


Alpine’s Type-R performance speakers are compact and light thanks to a smaller neodynium magnet and a strong yet light HD… read more

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0.5 kg



$249 inc. GST


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$249 inc. GST

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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.

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Additional information

0.5 kg




Tweeter Type: 1” (2.5cm) Ring Radiator Tweeter Voice Coil Type: Large Aluminum Voice Coil Magnet Material: Neodymium Magnet Swivel Application: Swivel Application Application Type: Flush Mount, Surface Mount


Cone Material: Hybrid Multi Layer Cone Motor Technology: Linear Drive Technology Surround: HAMR Surround Voice Coil Type: Large Aluminum Voice Coil Voice Coil Wire: Copper Square Wire Magnet: Ultra High Density Neodymium Magnet DX Ring: DX Ring Wave Guide: Wave Guide Mounting: Shallow Mounting Design Design: Bi-Amp Ready Design

Crossover Network

Design: In-line Network Design Attenuation Control: 4 Step (0, -2, -4, -6 dB) High Grade Network Components: High Grade Network Components Others: Pure Copper Trace-Style Resistance Circuit Board




Peak Power Handling: 300W RMS Power Handling: 100W Nominal Impedance: 4ohms Frequency Response: 70Hz – 29kHz In-Line High Quality Crossover 57mm Mounting Depth 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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