Alpine expands its line of performance Marine speakers with the SPR-M70 Type-R series component system designed for high-end boat sound systems. These speakers are built to handle a lot of power and still perform under harsh Marine environments. On top of that, they are extremely easy to install and provide an excellent sound upgrade to any boat.


Built for the Elements
Your normal car audio components can’t take the abuse of the Marine environment for long. The elements like water, salt/fog, and the blazing sun can cause your system to quickly breakdown in a short period of time. Because of this, Alpine has engineered the SPR-M70 to withstand the harsh Marine environment. The SPR-M70 has undergone rigorous ATSM-B117 testing for salt/fog to help prevent corrosion. The grills, speaker cones, and speaker housing pass the ASTM-G154/D4329 accelerated weather test for superior UV protection to prevent sun damage. Finally, the SPR-M70 also passes the IPx5 test for water resistance. All this engineering and testing will provide the best sound experience and reliable performance for your boat season after season.


FEATURES

Tweeter

•  Tweeter Type: Titanium Dome
•  Mounting Design: Front Mount Design
•  Application Type / Design Detail: Front Mount / Swivel Design
•  Magnet Material: Neodymium

Woofer

•  Dustcap Detail: Inverted Dustcap
•  Cone Material: Poly-Mica Cone
•  Motor Technology: Aluminum Shorting Ring
•  Voice Coil Type: 1.25'' High-Temp Copper Coil
•  Cooling: Optimized Airflow Design
•  Magnet: Ferrite
•  Mounting: Front Mount / IPX6 Sealed Gasket
•  Frame: High Temp ABS Frame

Crossover Network

•  Grade: Professional Grade Network
•  Case Design: Internal Sealed Design
•  Attenuation Control: 0 dB / - 3dB
•  Mounting: Integrated into Woofer Frame

SPECIFICATIONS

Power Handling

•  CEA-2031 Power Rating: 70 Watts
•  Power Handling Capacity (Peak): 210 Watts

Dimensions

•  Tweeter Mounting Diameter (mm): 55.3mm
•  Tweeter Mounting Diameter (in): 2-6/32''
•  Tweeter Mounting Depth (mm): 25mm
•  Tweeter Mounting Depth (in): 1''
•  Woofer Diameter (mm): 195.9mm
•  Woofer Diameter (in): 7-23/32''
•  Woofer Mounting Diameter (mm): 162.6mm
•  Woofer Mounting Diameter (in): 6-13/32''
•  Woofer Mounting Depth (mm): 93.1mm
•  Woofer Mounting Depth (in): 3 -31/32''

General

•  Frequency Response: 45Hz - 22kHz
•  Impedence: 4 ohm
•  Sensitivity: 90 dB 1W/1m