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  5. R2-W8D2/D4

R2-W8D2/D4

SKU:  R2-W8D2
EAN:  4958043905553
350 Watt

R2-W8D2/D4

SKU:  R2-W8D2
EAN:  4958043905553

Technical Highlights

  • Power handling: 350 W RMS, Impedance: 2 Ω+2 Ω, 83.5 dB.
  • Frequency range: 30-200 Hz, 1000 W peak power, X-Max: ±12 mm.
  • Dual voice coil: 40 mm, Magnet weight: 56 oz, Mounting depth: 116 mm.
  • More technical details
€152.78
-27% €209.00 €152.78
2% discount with credit card
Incl. VAT
Execution: D2 (2x2 Ohm)
Estimated delivery Sep 14 to Sep 17.
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Datasheet
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Alpine-R2-W8D2/D4-8" (20cm) Subwoofer-masori-kaufen
€152.78
€209.00 €152.78

More power than R2-W8D2/D4 with this!

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Product description

The R2-W8D2/D4 from Alpine is an 8-inch Subwoofer of the second generation from the R-Series. The device features a dual voice coil with a diameter of 40 mm and a double-layer magnet structure with a magnet weight of 56 oz. The diaphragm is made of a polypropylene/ceramic composite material and is equipped with High Amplitude Multi-Roll Surround technology. An integrated short circuit ring and a Kevlar-coated cone are part of the drive structure. The power handling is 350 Watts RMS and the peak power is 1000 Watts Peak. Additional features include 8 mm² pressure terminals with series or parallel connection bridge and a twist-lock grille mounting system.

Features
  • 8-inch (20 cm) Subwoofer
  • Dual voice coil (DVC) with jumper connections
  • Diaphragm made of polypropylene/ceramic composite material
  • Kevlar-coated cone
  • High Amplitude Multi-Roll (HAMR) rubber surround
  • Double-layer magnet structure
  • Integrated short circuit ring
  • Twist-lock grille mounting system
  • 8 mm² pressure terminals
  • Power handling: 350 Watts RMS
  • Peak power: 1000 Watts Peak
Technical Specifications
  • Frequency range: 30 Hz - 200 Hz
  • Sensitivity (1W/1m): 83.5 dB
  • Impedance: 2 Ohm + 2 Ohm
  • Voice coil diameter: 40 mm
  • X-Max: ±12 mm
  • Total excursion: 20 mm
  • Magnet weight: 1587 g
  • Mounting depth: 116 mm
  • Cutout diameter: 176 mm

Datasheet

Open datasheet

Frequently asked questions about R2-W8D2/D4

What are the main features of the R2-W8D2/D4 Subwoofer 2nd Generation?

The R2-W8D2/D4 Subwoofers of the 2nd Generation from Alpine R-Series feature an 8-inch (20 cm) cone made of polypropylene/ceramic composite material, providing high stiffness and internal damping. The dual-layer magnet structure weighing 56 oz enhances drive performance, allowing for precise and powerful bass reproduction. With a power handling of 350 Watts RMS and a peak power of 1000 W, these subwoofers deliver impressive performance. The dual voice coil (DVC) allows for flexible configurations through easily configurable jumpers, while the EZ-Change mounting system enables quick installation and replacement of the grille without tools. Additionally, the High Amplitude Multi-Roll (H.A.M.R.) surround technology allows for a maximum diaphragm excursion of ±12 mm in the frequency range of 30 Hz to 200 Hz.

How does the dual-layer magnet structure affect the bass reproduction of the R2-W8D2/D4?

The dual-layer magnet structure of the R2-W8D2/D4 Subwoofer increases the magnetic flux density, resulting in a stronger driving force. This enables deeper and more accurate bass reproduction, as the subwoofer responds more efficiently to signals and achieves higher performance with consistent distortion-free output. For you, this means that even at high volumes, the bass remains precise and powerful without losing clarity. This improved magnet structure also contributes to the stability and longevity of the subwoofer by optimizing heat dissipation, thus ensuring consistent performance over longer periods.

What advantages does the High Amplitude Multi-Roll (H.A.M.R.) surround of the Alpine R2-W8D2/D4 Subwoofers offer?

The High Amplitude Multi-Roll (H.A.M.R.) surround of the Alpine R2-W8D2/D4 Subwoofer allows for a maximum diaphragm excursion of ±12 mm, enabling greater air movement and thus deeper bass reproduction. This technology ensures that the diaphragm oscillates efficiently while remaining cool, which increases the precision and control of the bass tones. For you as an audio enthusiast, this means that the bass is not only deeper but also clearer and more dynamic, without distortion at high volumes. Furthermore, the H.A.M.R. surround contributes to the overall excursion of the diaphragm, improving flexibility in installation and adaptation to various vehicle acoustics.

How do you configure the Dual Voice Coil (DVC) on the Alpine R2-W8D2/D4 Subwoofer?

The Dual Voice Coil (DVC) of the Alpine R2-W8D2/D4 Subwoofer allows you to flexibly configure the impedance using the jumpers. To set up the subwoofers for a series or parallel connection, simply remove the corresponding jumpers on the back of the subwoofer. For a series connection, set the jumpers so that the impedances are added, resulting in a higher total impedance and improving compatibility with certain Amplifiers. In a parallel configuration, the impedances are halved, leading to a lower total impedance and allowing for higher current draw. This adaptability ensures that the R2-W8D2/D4 harmonizes optimally with your existing sound system and maximizes the performance from your Amplifier.

What frequency range does the Alpine R2-W8D2/D4 Subwoofer cover and how does it affect sound quality?

The Alpine R2-W8D2/D4 Subwoofer covers a frequency range of 30 Hz to 200 Hz, making it ideal for reproducing deep bass. This wide frequency range ensures that both the lowest bass frequencies and the higher bass notes are reproduced accurately and clearly. For you, this means a balanced sound quality where the music sounds energetic and full without losing clarity. The ability to cover both low and mid-bass frequencies provides an immersive listening experience that is perfect for various music genres and film soundtracks. Additionally, the wide frequency range supports the versatility of the subwoofer in different audio setups and vehicle acoustics.

What materials are used for the cone of the R2-W8D2/D4 and what advantages do they offer?

The cone of the R2-W8D2/D4 Subwoofer is made from a polypropylene/ceramic composite material that has high stiffness while also providing excellent internal damping properties. This material reduces unwanted vibrations and distortions, leading to clearer and more precise bass reproduction. For you as a user, this means that the subwoofer delivers consistent performance even at high volumes without compromising sound quality. Furthermore, the composite material offers higher heat resistance, which increases the durability of the subwoofer and minimizes the risk of thermal distortion. The combination of polypropylene and ceramic provides a balanced mix of lightness and strength, optimizing the overall performance of the subwoofer.

How is the EZ-Change mounting system of the R2-W8D2/D4 Subwoofer installed and used?

The EZ-Change mounting system of the R2-W8D2/D4 Subwoofer allows for easy and tool-free installation of the grille. You place the twist lock in the designated spot and tighten it to securely attach the grille. This system not only simplifies installation but also allows for quick replacement of the grille if you want to use an optional model. With its user-friendly design, you can quickly remove the grille when needed without having to disassemble the Subwoofer itself, which is particularly advantageous for regular adjustments or maintenance. The robust design of the mounting system also ensures that the grille remains securely in place even under high vibrations.

What are the technical specifications of the R2-W8D2/D4 Subwoofer regarding power and efficiency?

The R2-W8D2/D4 Subwoofer from Alpine offers an RMS power of 350 watts and a peak power of 1000 watts, providing impressive bass performance. With an impedance of 2 Ω + 2 Ω and an efficiency of 83.5 dB (1W/1m), the Subwoofer is efficient and compatible with a variety of amplifiers. The voice coil diameter of 40 mm and an X-Max of ±12 mm allow for significant diaphragm excursion, contributing to deep and dynamic bass reproduction. The installation depth of 116 mm and the cutout size of 176 mm provide flexibility for installation in various vehicle types. Additionally, the pressure terminals with 8 mm² for series or parallel connections feature flexible wiring that allows for optimal integration into your sound system.

Is the Alpine R2-W8D2/D4 Subwoofer compatible with common car brands?

The Alpine R2-W8D2/D4 Subwoofer is compatible with a variety of common car models due to its installation depth of 116 mm and cutout size of 176 mm. The flexible connection options via the 8 mm² pressure terminals and the configurable dual voice coils (DVC) facilitate integration into different vehicle architectures. If your vehicle has a standard subwoofer installation space, you can easily install the R2-W8D2/D4 without extensive modifications. Additionally, the EZ-Change mounting system allows for straightforward installation of the grille, further simplifying adaptation to various interior designs. However, check the specific dimensions and connection requirements of your vehicle to ensure optimal fit and performance.

How does the new drive structure affect the performance and longevity of the R2-W8D2/D4?

The improved drive structure of the R2-W8D2/D4 Subwoofer, which integrates larger dual-layer magnets, increases the driving force and enables deeper and more powerful bass reproduction. This stronger driving force helps the subwoofer operate more efficiently and reduces the strain on the components, enhancing the longevity of the system. Additionally, the integrated short-circuit ring combined with the Kevlar-coated cone provides a robust construction that remains reliable even at high volumes and during intense use. The improved drive structure minimizes distortion and ensures consistent performance over longer periods, thereby extending the overall lifespan of the subwoofer.

How does the Kevlar-coated cone contribute to the longer lifespan of the R2-W8D2/D4 Subwoofer?

The Kevlar-coated cone of the R2-W8D2/D4 Subwoofer offers exceptional strength and stiffness, increasing resistance to deformation and breakage. Kevlar, known for its high tensile strength, reduces material fatigue and minimizes the tendency to vibrate, leading to a more stable and consistent diaphragm excursion. As a result, bass reproduction remains clear and distortion-free even during intense and prolonged sessions. Additionally, the Kevlar coating helps improve heat dissipation, keeping the operating temperature of the subwoofer controlled and preventing overheating. This combination of increased strength and better heat resistance ensures a longer lifespan and reliable performance of the subwoofer under various operating conditions.

Manufacturer information / responsible person

ALPS ALPINE EUROPE GmbH

Ohmstrasse 4

85716, Unterschleissheim

support.eu@alpsalpine.com

https://www.alpsalpine.com/