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Alpine R2-W12D2/D4 12" (30cm) Subwoofer
SKU:  R2-W12D4
EAN:  4958043905508
750 Watt

R2-W12D2/D4

SKU:  R2-W12D4
EAN:  4958043905508

Technical Highlights

  • 750 W RMS power, 2250 W peak power, Impedance: 2 Ω+2 Ω/4 Ω+4 Ω.
  • Dual-layer magnet structure, voice coil diameter: 65 mm.
  • Frequency range: 24 Hz-200 Hz, Sensitivity: 84.5 dB.
  • More technical details
00 d
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€224,00
-17% €269,00 €224,00
5% discount with prepayment
inkl. VAT , possibly plus shipping
Execution: D4 (2x4 Ohm)
Delivery
May 17, - May 20,
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Alpine-R2-W12D2/D4-12" (30cm) Subwoofer-masori-kaufen
€224,00
€269,00 €224,00

R2-W12D2/D4 by Alpine

The R2-W12D2/D4 from Alpine is a 12-inch Subwoofer of the second generation of the R-Series with a power handling of 750 Watts RMS and a peak power of 2250 Watts. The device features a dual voice coil with a diameter of 65 mm and is available in impedance variants of 2 Ohm + 2 Ohm or 4 Ohm + 4 Ohm. Technical features include a double-layer magnetic structure with an integrated short circuit ring and a Kevlar-coated cone. The diaphragm is made of a polypropylene-ceramic composite material and is surrounded by a High Amplitude Multi-Roll rubber surround. A twist-lock mounting system allows for tool-free installation of grille covers. The maximum total excursion of the diaphragm is 20 mm.

Features
  • 12-inch (30 cm) Subwoofer
  • Power handling: 750 Watts RMS
  • Power handling: 2250 Watts Peak
  • Diaphragm made of polypropylene-ceramic composite material
  • Kevlar-coated cone
  • Double-layer magnetic structure with short circuit ring
  • Multi-Roll (H.A.M.R.) rubber surround
  • Twist-Lock grille mounting system
  • Dual voice coil (DVC) with configuration jumpers
Technical Specifications
  • Frequency range: 24 Hz - 200 Hz
  • Sensitivity (1W/1m): 84.5 dB
  • Impedance: 2 Ohm + 2 Ohm / 4 Ohm + 4 Ohm
  • Voice coil diameter: 65 mm
  • X-Max: 20 mm
  • Magnet weight: 4082 g
  • Mounting depth: 163 mm
  • Cutout diameter: 275 mm
  • 8 mm² pressure terminals

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Alpine R2-W12D2/D4 Datasheet

Open datasheet

Frequently Asked Questions about R2-W12D2/D4

What improvements does the new drive structure of the Alpine R-Series Subwoofers offer compared to the previous generation?

The new drive structure of the Alpine R-Series Subwoofers, particularly the R2-W12D2/D4 model, integrates dual-layer magnets with increased drive force. This enhancement allows for deeper and more powerful bass reproduction through more efficient energy transfer and reduces distortion at high volumes. Additionally, the integrated short-circuit ring combined with the Kevlar-coated cone ensures increased durability and reliable performance, even under demanding conditions. This guarantees that the subwoofers deliver consistently precise and powerful bass even with intense use.

How do the dual-layer magnets affect the bass reproduction of the Alpine R-Series Subwoofers?

The dual-layer magnets of the Alpine R-Series Subwoofers significantly increase the drive force, leading to improved bass reproduction. The reinforced magnetic structure allows more energy to be transferred to the cone, resulting in deeper frequencies being represented more precisely and powerfully. This enables a richer and more dynamic bass performance that remains stable, especially at high volumes. Furthermore, the optimized magnet arrangement contributes to the efficiency of the subwoofer by ensuring better control over the diaphragm movement, thus providing clearer sound quality.

What are the benefits of the Kevlar-coated cone in the R2-W12D2/D4 Subwoofers?

The Kevlar-coated cone in the R2-W12D2/D4 Subwoofers offers exceptional stiffness that effectively dampens vibrations, allowing for clearer bass reproduction. This material combines the strength of Kevlar with the damping properties of polypropylene/ceramic composite materials, resulting in higher heat resistance and longer lifespan. Additionally, the Kevlar coating reduces distortion even at high volumes, ensuring that the subwoofers deliver consistent and precise sound quality without losing performance.

How does the High Amplitude Multi-Roll (HAMR) surround technology support the precision of the Alpine R-Series Subwoofers?

The High Amplitude Multi-Roll (HAMR) surround technology in the Alpine R-Series Subwoofers allows for maximum diaphragm movement of up to 20 mm. This ensures precise control over air vibrations while preventing overheating of the surrounds, even with intense use. Through efficient vibration absorption and a rigid diaphragm structure, the HAMR technology provides increased accuracy and stability in bass reproduction. This results in a clearer and more powerful bass performance that remains consistently precise even at high excursions.

What configuration options does the dual voice coil (DVC) of the R2-W12D2/D4 Subwoofer offer?

The dual voice coil (DVC) of the R2-W12D2/D4 Subwoofer allows for flexible configurations through easily configurable jumpers. Users can choose between series and parallel connections by setting the appropriate jumpers to adjust the impedance to their amplifier's requirements. This flexibility enables optimal integration of the subwoofers into various audio setups and dynamically adjusts the sound to the specific needs of the vehicle or sound system. This ensures optimal performance and efficiency of the subwoofers in different installations.

What is the installation process for the R2-W12D2/D4 Subwoofers regarding installation depth and cutout size?

The installation of the R2-W12D2/D4 Subwoofers requires a mounting depth of 163 mm and a cutout size of 275 mm in diameter. These specific measurements ensure seamless integration into most speaker enclosures without taking up too much existing space. It is important to adhere to the mounting depth to ensure that the subwoofer fits securely and sounds optimal. The generous cutout size allows for easy placement and securing of the subwoofer while providing enough space for efficient air circulation, which supports the performance and durability of the subwoofer.

What performance specifications characterize the Alpine R2-W12D2/D4 Subwoofers and how do they affect sound quality?

The Alpine R2-W12D2/D4 Subwoofers have a power handling capacity of 750 Watts RMS and a peak power of 2250 W. The frequency range extends from 24 Hz to 200 Hz, allowing for deep and broad bass reproduction. With an efficiency of 84.5 dB at 1W/1m, they provide a powerful and clear sound presence. The high RMS power ensures continuous performance without distortion, while the wide frequency coverage supports detailed and dynamic bass reproduction. These performance specifications significantly contribute to the high sound quality and overall impressive audio performance of the subwoofers.

How do the polypropylene/ceramic composite diaphragm and internal damping of the R2-W12D2/D4 Subwoofers ensure consistent bass reproduction?

The polypropylene/ceramic composite diaphragm of the R2-W12D2/D4 Subwoofer offers high stiffness, minimizing unwanted vibrations and ensuring precise movement of the diaphragm. This stiffness, combined with internal damping, allows for effective vibration absorption, leading to smoother and tighter bass reproduction. Additionally, the increased heat resistance of the composite material ensures that the Subwoofers deliver consistent performance even during extended use and at high volumes. This keeps the bass reproduction consistently precise and powerful, even under demanding conditions.

What impedance options does the Alpine R2-W12D2/D4 series offer and how do they affect compatibility with amplifiers?

The Alpine R2-W12D2/D4 series offers impedance options of 2 Ω and 4 Ω through the dual voice coil configuration. These options allow for flexible adaptation to various amplifier specifications, enabling the Subwoofers to be optimally utilized in both high-power and standard audio setups. A lower impedance of 2 Ω can draw more current and thus extract more power from an amplifier, while 4 Ω provides a more stable and efficient performance for many applications. This ensures that the Subwoofers can be seamlessly integrated into a variety of audio systems without causing compatibility issues.

How does the EZ-Change mounting system allow for flexible application of the R2-W12D2/D4 Subwoofers?

The EZ-Change mounting system of the R2-W12D2/D4 Subwoofers uses a twist-lock mechanism that allows for easy attachment and removal of the optional grille without the need for mounting screws. This innovative solution significantly simplifies the installation and maintenance of the Subwoofers, as the grille can be quickly replaced to protect the diaphragm or adjust the appearance of the Subwoofer. Additionally, the system ensures a firm and stable attachment that supports efficient sound delivery and the durability of the Subwoofers. This provides users with high flexibility in customizing their audio setup.

What sizes and variants are available in the new generation of Alpine R-Series Subwoofers?

The new generation of Alpine R-Series Subwoofers, including the R2-W12D2/D4 model, is available in sizes of 30 cm (12-inch), 25 cm (10-inch), and 20 cm (8-inch). Each size offers specific advantages in terms of bass performance and space requirements, allowing them to be seamlessly integrated into various vehicle types and installations. Additionally, the Subwoofers are available with impedance options of 2 Ω and 4 Ω, enabling flexible adaptation to different amplifier requirements. This variety of sizes and configurations ensures that the right Subwoofer is available for every application and preference level.

Manufacturer information / responsible person

ALPS ALPINE EUROPE GmbH

Ohmstrasse 4

85716, Unterschleissheim

support.eu@alpsalpine.com

https://www.alpsalpine.com/

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