5.25" Car Speakers

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The new S-Series Speakers have been newly designed with upgrades to voice coil size and cone material to provide great sound quality. The S-Series speakers are the new benchmark for entry OEM upgrades.

Alpine® 5.25" Coaxial 2-Way Car Speaker Set

Perfect for an OEM upgrade with many sizes to choose from to suit almost any vehicle

Now available in a 6x9-inch component set, perfect for newer trucks and SUVs

Larger voice coil and new CFRP (Carbon Fiber Reinforced Plastic) cone

Now with Alpine’s patented HAMR (High Amplitude Multi-Roll) Surround, allowing for large amounts of linear air movement

1-inch silk dome tweeter (3/4-inch silk dome tweeter on the S-S40 speaker)

Grilles available for 6x9-inch, 6.5-inch, and 5.25-inch models (grilles sold separately)

S-Series speakers deliver the winning combination of incredible sound and value within an entry-level category.

The S-Series speakers have a large voice coil. The 6.5-inch and 6x9-inch models have a 35-mm voice coil, and this large voice coil size increases their driving power and control of the motor. The S-Series speakers are the first in the industry to use a material called CFRP (Carbon Fiber Reinforced Plastic), a very lightweight yet rigid material. On a standard, off-the-shelf oval cone, the edges are naturally weaker than the center due to the elongated shape. Since the CFRP material is directional, it can be manipulated during the molding process to strengthen the areas of the cone that are normally weak. The result is rigidity throughout the cone that delivers accurate and efficient performance. The ability to manipulate the CFRP material during the molding process is currently exclusive to Alpine and the S-Series speakers. Alpine has three patent-pending procedures in support of this innovative manufacturing process.

Alpine’s patented H.A.M.R. (High Amplitude Multi-Roll) surround is now found on the S-Series speakers. This proven technology increases excursion while maintaining accuracy and linearity. The multi-roll design allows for an even unfolding of the surround which creates incredible linearity and colorization rejection.

The 1-inch silk dome is perfect for recreating pleasant upper range response without creating listening fatigue in the vehicle. The soft silk material ensures wide frequency response and durability for long term playback.

Speaker grilles are available for several of the S-Series speakers and are sold separately. The durable mesh grilles are sold in pairs and fit the following models:

6x9-inch models: Compatible with the KTE-S69G Grille

Sold As:

Number of Speakers:

Speaker Type:

KFC-X134 5-1/4" 2-way 2 Speaker with an injection P.P. Cone Woofer and peak power 160W.

Kenwood KFC-X134 5-1/4" 2-way 2 Speaker

Peak Input Power

Maximum Input Power

Rated Power

RMS Power

Impedance

Sensitivity

Frequency Response

Woofer Size

Woofer Diaphragm

Tweeter Size

Tweeter Diaphragm

Coaxial loudspeakers represent a major design challenge due to the critical nature of their acoustic output, being installed in an OEM placement often unfavorable to reproduction.

Hertz 5.25" Coaxial Speaker

For this reason, in order to achieve high performance, a great engineering effort was put into place, promptly addressed by our R&D team. The Cento two-way coaxials CX 130 features the new 24 mm (0.9 in.) Tetolon® dome tweeter that delivers a more musical and detailed sound compared to the more traditional plastic materials. The dispersion has been optimized for off-axis listening. The  SPP-M cone (Semi Pressed Paper-Mica) ensuring superior acoustic and damping characteristics.

1. Soft Tetolon® fiber 24 mm (0.9 in.) dome tweeter cooled with ferrofluid, for extended and natural high frequencies.

2. RHFC ™ (Rotary High Frequency Contour) tweeter angled and directable to the listener for a perfect frequency response in any installation scenario.

3. Tweeter faceplate geometry optimized with FEM simulations (Finite Element Modeling), to provide an extremely linear frequency response in off-axis installations.

4. 25 mm (1 in.) woofer voice coil featuring an aluminum former to guarantee high excursion and power handling.

5. 130 mm (5 in.) semi-pressed paper cone SPP-M (Semi Pressed Paper-Mica) enhanced with Mica powder for an excellent balance between lightness and damping.

6. High-density flux ferrite magnet combined with low-carbon polar plates for reduced distortion at high power levels.

7. Compact and transparent three-spoke basket acoustically combined with a rubber magnet cover for total damping of spurious vibrations.

8. Elegant grille made with high-resistance ABS plastic structure with a metallic finish combined with a protective metal mesh, available as optional.

SPP-M (Semi Pressed Paper-Mica) cone enhanced with Mica powder for an excellent balance between lightness and damping.

RHFC™ (Rotary High Frequency Contour) tweeter angled and directable to the listener for a perfect frequency response in any installation scenario.

Power Handling - Peak W

Power Handling - Continuous W

Impedance ?

Frequency response Hz

Sensitivity dB SPL

Woofer size mm (in.)

Tweeter size mm (in.)

Woofer Voice Coil Ø mm (in.)

Tweeter voice coil Ø mm (in.)

Woofer magnet

Tweeter magnet

Woofer cone

Tweeter dome

Dieci car audio systems  let you realize a high quality audio system with the utmost in simplicity. The woofers employ the exclusive V-cone® profile for amazing off-axis response and detailed mid-high range.

Hertz Dieci 5.25" Two-Way Car Audio System

The TPU (Thermoplastic polyurethane) surround ensures linearity and reduction of unwanted resonance, even at high excursion. High-performance materials, such as the neodymium motor assembly and the PEI membrane, ensure an extended high frequency range. The passive filters are found directly on the supplied connection cables, along with a rich array of accessories increasing the install-friendliness and installation time.

The exponential profile gets very close to the perfect one, providing exceptional dispersion.

5.25" Car Speakers

Alpine® 5.25" Coaxial 2-Way Car Speaker Set

$99.95

Hertz 5.25" Coaxial Speaker

$249.99

Hertz Dieci 5.25" Two-Way Car Audio System

$159.99

Kenwood KFC-X134 5-1/4" 2-way 2 Speaker

$130.00

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