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  5. Prime R2D2-10/R2D4-10

Prime R2D2-10/R2D4-10

250 Watt

Prime R2D2-10/R2D4-10

Technical Highlights

  • Power: 250 watts RMS, maximum power 500 watts, impedance 2 ohms.
  • Mica-injected polypropylene cone, voice coil: 51 mm.
  • StampCast basket, integrated spider vent, 43 oz magnet.
  • More technical details
€94.05
-5% €99.00 €94.05
2% discount with credit card
including VAT
execution: D2 (2x2 Ohm)
Estimated delivery: Sep 14–Sep 17.
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datasheet
Rockford Fosgate-Prime R2D2-10/R2D4-10-10" (25cm) Subwoofer-masori-kaufen
€94.05
€99.00 €94.05

The Rockford Fosgate Prime R2D2-10/R2D4-10 is a 10-inch Subwoofer with a power handling of 250 Watts RMS and 500 Watts Max. The model is designed as a dual voice coil and features a mica-injected polypropylene cone as well as an anodized aluminum voice coil former. The construction includes a StampCast basket with integrated spider venting and a linear spider with embedded 16 AWG tinsel wires. The nominal impedance is configured as dual 2-ohm. The Subwoofer is optimized for use in sealed and vented enclosures and has 4mm² compression terminals as well as an integrated PVC finishing ring.

Features
  • 10-inch (25 cm) Subwoofer
  • Power: 250 Watts RMS
  • Power: 500 Watts Max
  • Mica-Injected Polypropylene Cone
  • Anodized Aluminum Voice Coil Former
  • StampCast Basket with Integrated Spider Venting
  • Linear Spider with Embedded 16 AWG Tinsel Wires
  • 4mm² Compression Terminals
  • Integrated PVC Finishing Ring
  • Optimized for Sealed and Vented Enclosures
  • Sealed Enclosure Volume: 16.7 Liters
  • Vented Enclosure Volume: 39.6 Liters
Technical Specifications
  • Nominal Impedance: Dual 2-ohm
  • Voice Coil Diameter: 51 mm
  • Magnet Weight: 1.22 kg
  • Fs: 34.6 Hz
  • Re: 3.84 ohm
  • Le: 3.9 mH
  • Qms: 6.93
  • Qes: 0.50
  • Qts: 0.47
  • Vas: 39 Liters
  • Sd: 339.8 cm²
  • Xmax: 6.5 mm
  • SPL: 86.9 dB
  • Cutout Diameter: 232 mm
  • Mounting Depth: 109 mm
  • Woofer Displacement: 1.1 Liters
  • Shipping Weight: 3.99 kg

Frequently Asked Questions about Prime R2D2-10/R2D4-10

What are the RMS and maximum power ratings of the Rockford Fosgate Prime R2D2-10 Subwoofer?

The Rockford Fosgate Prime R2D2-10 offers an RMS power handling of 250 watts, allowing it to continuously process high power over extended periods. The maximum power rating is 500 watts, enabling it to deliver powerful bass even in demanding car audio setups. These power parameters ensure that the Subwoofer provides clear and distortion-free sound even under intense use. The Dual Voice Coil configuration allows for flexible use of the available power by utilizing different impedance combinations to extract the best possible performance from the Amplifier.

How flexible is the Dual Voice Coil configuration of the Rockford Fosgate Prime R2D2-10 for different installations?

The Dual Voice Coil (DVC) configuration of the Rockford Fosgate Prime R2D2-10 offers tremendous installation flexibility, as there are two separate terminals available per side. This allows you to connect the Subwoofer in series or parallel to achieve the desired impedance, which is particularly useful when using different Amplifier options in your car audio system. This flexibility not only makes it easier to adapt to different electrical systems but also optimizes the overall performance and efficiency of the Subwoofer, regardless of whether it is installed in a sealed or vented enclosure.

What features does the mica-injected polypropylene cone of the Prime R2D2-10 Subwoofer offer?

The mica-injected polypropylene cone of the Rockford Fosgate Prime R2D2-10 is characterized by its high stiffness and low deformation at high frequencies, ensuring precise and distortion-free bass reproduction. The use of mica as a reinforcement material in the polypropylene enhances heat dissipation and durability, especially under high power loads. This material combination also supports a faster and more accurate return of the diaphragm to its original position, which is crucial for the accuracy and clarity of bass reproduction. Particularly in demanding audio setups, the special cone provides a balanced sound profile with deep, clear bass.

How does the integrated spider venting work in the StampCast basket of the Rockford Fosgate Prime R2D2-10?

The integrated spider venting in the StampCast basket of the Rockford Fosgate Prime R2D2-10 serves to efficiently cool the Subwoofer motor. This special design optimizes airflow around the spider, improving heat dissipation and preventing the motor from overheating. This is particularly important at high power outputs, as a constant temperature ensures the performance and longevity of the Subwoofer. Thus, the spider venting helps the Rockford Fosgate Prime R2D2-10 operate stably and reliably even under intense use by minimizing the thermal load on the motor.

What enclosure options are suitable for the Rockford Fosgate Prime R2D2-10 Subwoofer?

The Rockford Fosgate Prime R2D2-10 is optimized for both sealed and vented enclosures. A sealed enclosure with a volume of 16.7 liters provides precise and powerful bass reproduction, ideal for compact installations and quick responses. Alternatively, the vented enclosure with a volume of 39.6 liters allows for extended bass reinforcement and deeper frequencies, which is particularly interesting for larger vehicles and enthusiastic bass lovers. The ability to choose between these enclosure types offers you the flexibility to adjust the sound characteristics according to your personal preferences and the acoustic properties of your vehicle.

What technical parameters does the Rockford Fosgate Prime R2D2-10 have regarding frequency and impedance?

The Rockford Fosgate Prime R2D2-10 Subwoofer has a resonance frequency (Fs) of 34.6 Hz, allowing it to reproduce deep bass frequencies accurately. The nominal impedance is 3.84 Ohms, which, combined with the Dual Voice Coils, offers flexible connection options to match the overall impedance to the amplifier system. Other important parameters include a Qts of 0.47, indicating that the Subwoofer is suitable for both sealed and vented enclosures. The Thiele-Small parameters such as Vas of 39 liters and Sd of 339.8 cm² support integration into various enclosure configurations and ensure that the Rockford Fosgate Prime R2D2-10 delivers optimal performance in a wide range of car audio setups.

How does the anodized aluminum voice coil of the Prime R2D2-10 support improved audio quality?

The anodized aluminum voice coil of the Rockford Fosgate Prime R2D2-10 significantly contributes to improved audio quality, as the anodized aluminum provides higher thermal conductivity and enhanced strength. This allows for efficient heat dissipation during intense use, resulting in more stable performance and lower distortion. Additionally, the anodized surface ensures a longer lifespan for the voice coil, as it is better protected against oxidation and other environmental influences. Combined with the linear spider and 16 AWG tinsel leads, the high-quality voice coil ensures that the Subwoofer delivers precise and dynamic bass reproduction, even at high volumes.

What are the recommended connection types for the Rockford Fosgate Prime R2D2-10 Subwoofer?

The Rockford Fosgate Prime R2D2-10 Subwoofer uses 4mm² compression connectors with a diameter of 51 mm, ensuring a secure and stable connection. These connectors are ideal for use in car audio systems, where reliable electrical connections are crucial. The Dual Voice Coil configuration allows for the use of dual 2-ohm speaker connections, providing multiple connection options depending on the specific requirements of your amplifier and system architecture. It is recommended to use high-quality cables and appropriate connection terminals to ensure optimal signal transmission and minimal power loss, maximizing the overall performance and sound quality of the Subwoofer.

What placement and installation tips are there for the Rockford Fosgate Prime R2D2-10 regarding dimensions and installation depth?

When installing the Rockford Fosgate Prime R2D2-10 Subwoofer, it is crucial to consider the installation depth of 109 mm to ensure that the subwoofer fits into the intended enclosure and the available space in the vehicle. With a cutout diameter of 232 mm, the subwoofer requires enough space for the diaphragm to move freely to ensure optimal bass reproduction. It is advisable to design the enclosure volume according to the recommendations – 16.7 liters for a sealed enclosure or 39.6 liters for a vented enclosure – to fully utilize the performance and efficiency of the Rockford Fosgate Prime R2D2-10. Make sure that the subwoofer is securely mounted and that there is enough space for air circulation around the StampCast basket to maintain a constant operating temperature.

What technical advantages does the Xmax of the Rockford Fosgate Prime R2D2-10 offer for bass reproduction?

The Xmax of the Rockford Fosgate Prime R2D2-10 is 6.5 mm, which defines the maximum linear displacement range of the diaphragm. A higher Xmax allows the subwoofer to produce greater sound pressure levels (SPL) without reaching saturation, resulting in clearer and more dynamic bass reproduction. This is particularly beneficial for car audio enthusiasts who appreciate powerful and precise bass even at higher volumes. The combination of a robust StampCast basket, the integrated spider venting, and the high Xmax ensures that the Rockford Fosgate Prime R2D2-10 delivers excellent performance in both sealed and vented enclosures, maximizing the depth and clarity of the bass frequencies.

Manufacturer information/responsible person

Audio Design Loudspeaker Sales GmbH
Am Breilingsweg 3
76709 Kronau
Germany

Authorized Managing Director:
Bruno Dammert

Contact: info@audiodesign.de

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