Woofers: The Alpine Type-R series coaxial speakers feature
multi-layered hybrid fiber woofer cones. For durability and superior linearity,
the woofers use rubber surrounds.
HAMR Surround: Type-R speakers use Alpine's multi roll HAMR
surround (patent pending), a technology developed for Alpine subwoofers that
maintains control and stability at higher volume levels. HAMR surround combines
increased cone area and long linear cone excursion for deep, powerful bass
Swiveling Tweeters: The speakers are equipped with 1"
(25mm) silk dome tweeters. Alpine's EQ Ring improves the tweeter's dispersion
characteristics, providing excellent off-axis response. You can also tilt the
tweeters up to 15° to focus the sound where it should be, not pointed at your
Neodymium Magnet: The new smaller neodymium magnet on the
Type-R series allows the speaker dimensions to be smaller, making them easier
to install in a wide variety of vehicles. They are also lighter than designs
using standard magnet technology.
HD Polymer Frame: The new Type-R speakers use a revolutionary
HD Polymer frame, making the speaker stronger, lighter, and easier to install.
Mounting: Using the included brackets, the SPR-69 can be
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