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  5. Prime R2SD2-12/R2SD4-12

Prime R2SD2-12/R2SD4-12

250 Watt

Prime R2SD2-12/R2SD4-12

Technical Highlights

  • 500 watts maximum power, double 2 ohm impedance for powerful sound.
  • Anodized aluminum voice coil former, Xmax 8.0 mm, 333 cm² Sd.
  • StampCast basket, integrated spider vent, installation depth 86 mm.
  • More technical details
€122.55
-5% €129.00 €122.55
2% discount with credit card

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ProductPrime R2SD2-12/R2SD4-12 · R2SD2-12

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execution: R2SD2-12
Estimated delivery: Sep 15–Sep 18.
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Warranty terms
Rockford Fosgate-Prime R2SD2-12/R2SD4-12-12" (30cm) Flachsubwoofer-masori-kaufen
€122.55
€129.00 €122.55

The Prime R2SD2-12/R2SD4-12 from Rockford Fosgate is a 12-inch flat Subwoofer with a nominal power handling of 250 Watts RMS and a maximum power of 500 Watts. It features a flat motor design with a mica-injected polypropylene cone and a StampCast basket with integrated spider ventilation for cooling. The Subwoofer is equipped with an anodized aluminum voice coil former and a dual voice coil, and has a nominal impedance of dual 2 Ohms. The 4mm2 compression terminals allow for connection via dual 12 AWG wires. The model is optimized for use in sealed enclosures and has a mounting depth of 86 mm.

Features
  • 12-inch (30cm) flat Subwoofer
  • Power: 250 Watts RMS
  • Power: 500 Watts Max
  • Mica-injected polypropylene cone
  • Anodized aluminum voice coil former
  • StampCast basket with integrated spider ventilation
  • Flat motor structure
  • Linear spider with embedded 16 AWG glitter wires
  • 4mm2 compression terminals
  • Optimized for sealed enclosures
  • Integrated PVC trim ring
Technical Specifications
  • Mounting depth: 86 mm
  • Cutout diameter: 232 mm
  • Voice coil diameter: 50.8 mm
  • Nominal impedance: Dual 2 Ohms
  • Fs: 38.1 Hz
  • Qts: 0.68
  • Qms: 8.00
  • Qes: 0.74
  • Vas: 20.4 liters
  • Xmax: 8.0 mm
  • Re: 3.80 Ohms
  • Le: 4.2 mH
  • Sd: 333 cm2
  • SPL: 83 dB
  • Woofer displacement: 1.05 liters
  • Sealed enclosure volume: 19.8 liters
  • Ventilated enclosure volume: 39.6 liters
  • Shipping weight: 4.80 kg

Frequently Asked Questions about Prime R2SD2-12/R2SD4-12

What performance specifications does the Rockford Fosgate Prime R2SD2-12/R2SD4-12 Subwoofer offer?

The Rockford Fosgate Prime R2SD2-12/R2SD4-12 Subwoofer delivers impressive performance specifications that make it ideal for demanding audio applications. With an RMS power of 250 watts and a maximum power of 500 watts, this Subwoofer ensures powerful bass reproduction. The nominal impedance is dual 2 ohms, allowing for flexible integration into various amplifier configurations. Additionally, the Subwoofer features a high Sd of 333 cm² and a robust StampCast basket design that ensures optimal sound precision and durability. These technical specifications make the Prime R2SD2-12/R2SD4-12 an excellent choice for vehicles requiring deeper and more precise bass frequencies.

How does the flat motor design of the Prime R2SD2-12/R2SD4-12 contribute to its performance?

The flat motor design of the Rockford Fosgate Prime R2SD2-12/R2SD4-12 Subwoofer is a key feature that supports its outstanding performance. By reducing the height of the motor, the Subwoofer becomes compact, making it easy to install in vehicles with limited space. This design not only minimizes space requirements but also improves vibration characteristics, leading to clearer and more precise bass notes. Furthermore, the flat motor design allows for more efficient cooling of the motor, enhancing the overall performance and longevity of the Subwoofer. As a result, the Prime R2SD2-12/R2SD4-12 offers a balanced combination of space-saving and high audio quality.

What cooling mechanisms are integrated into the Rockford Fosgate Prime R2SD2-12/R2SD4-12?

The Rockford Fosgate Prime R2SD2-12/R2SD4-12 Subwoofer features an innovative StampCast basket design with integrated spider ventilation that ensures effective cooling of the motor. This special construction allows for improved air circulation around the voice coil former, optimizing heat dissipation. Additionally, the elevated motor structure ensures that the Subwoofer remains stable even under intense use, preventing overheating. These advanced cooling mechanisms significantly contribute to the high performance and longevity of the Prime R2SD2-12/R2SD4-12 by maintaining a consistent operating temperature.

What installation depth does the Rockford Fosgate Prime R2SD2-12/R2SD4-12 Subwoofer require?

The Rockford Fosgate Prime R2SD2-12/R2SD4-12 Subwoofer requires an installation depth of only 86 mm, making it particularly suitable for vehicles with limited space. This shallow depth allows for easy integration into tight areas of the vehicle without significantly affecting the interior design. Additionally, the flat design combined with the compact construction ensures that the Subwoofer performs optimally even in smaller enclosures. The easy installation is supported by the dual 12 AWG compression terminals, which provide a secure and stable electrical connection. This makes the installation of the Prime R2SD2-12/R2SD4-12 Subwoofer both straightforward and efficient.

How do the mica-coated polypropylene membranes affect the sound quality of the Prime R2SD2-12/R2SD4-12?

The mica-coated polypropylene membranes of the Rockford Fosgate Prime R2SD2-12/R2SD4-12 Subwoofer play a crucial role in sound quality. This special coating increases stiffness and reduces unwanted resonances, leading to more precise and clearer bass reproduction. Polypropylene as a material also offers excellent damping properties, minimizing distortion and ensuring a clean sound. The combination of mica coating and polypropylene membrane allows for efficient energy transfer from the motor to the membrane, improving the overall performance and dynamics of the Subwoofer. This results in a balanced and intense listening experience that can impress in both sealed and vented enclosures.

What nominal impedance and amplification options does the Rockford Fosgate Prime R2SD2-12/R2SD4-12 Subwoofer offer?

The Rockford Fosgate Prime R2SD2-12/R2SD4-12 Subwoofer features a dual 2-ohm nominal impedance, allowing for flexible integration into various amplifier configurations. This dual impedance enables the subwoofer to be operated in either 2-ohm or 4-ohm configurations, depending on the amplifier's requirements and the desired power. With this subwoofer, you can optimally adjust your amplifier options to achieve maximum performance and efficiency. Additionally, the dual 12 AWG compression terminals are an excellent choice for a stable and powerful electrical connection, further enhancing overall performance and sound quality.

How is the Prime R2SD2-12/R2SD4-12 optimized for sealed enclosures?

The Rockford Fosgate Prime R2SD2-12/R2SD4-12 Subwoofer is specifically optimized for use in sealed enclosures, supported by several technical features. With a sealed enclosure volume of 0.7 cu. ft. (19.8 liters), the subwoofer provides controlled bass reproduction that is focused on precise frequencies. The mica-coated polypropylene cones and the StampCast basket construction contribute to damping unwanted resonances, resulting in clear sound. Additionally, the optimized Thiele-Small parameters such as Qts of 0.68 and Vas of 20.4 liters allow for efficient use of the sealed enclosure volume, enabling the subwoofer to deliver deep and precise bass performance, ideal for sealed installations.

What electrical connection options does the Rockford Fosgate Prime R2SD2-12/R2SD4-12 Subwoofer offer?

The Rockford Fosgate Prime R2SD2-12/R2SD4-12 Subwoofer is equipped with dual 12 AWG compression terminals that ensure a reliable and powerful electrical connection. Additionally, the subwoofer uses 4mm² compression terminals, which allow for high current capacity, thus ensuring a stable power supply. These robust connection options are ideal for demanding use in vehicles, as they provide minimal signal loss and maximum power transfer. This is particularly important for maintaining consistent sound quality and avoiding overheating or signal interference during intense use.

How do the Thiele-Small parameters of the Prime R2SD2-12/R2SD4-12 affect sound reproduction?

The Thiele-Small parameters of the Rockford Fosgate Prime R2SD2-12/R2SD4-12 Subwoofer play a crucial role in sound reproduction and the overall performance of the speaker. With a Qts value of 0.68 and a Qes of 0.74, the Subwoofer shows a good balance between Damping and resonance control, leading to precise and controlled bass reproduction. The Vas of 20.4 liters indicates how much air volume the speaker enclosure needs to operate efficiently, which particularly contributes to better bass control in sealed enclosures. Additionally, the Xmax of 8.0 mm allows for greater linear movement, enhancing the Subwoofer's ability to produce deep and powerful bass without causing distortion.

What advantages does the compact design of the Prime R2SD2-12/R2SD4-12 offer for installation in tight vehicle spaces?

The compact design of the Rockford Fosgate Prime R2SD2-12/R2SD4-12 Subwoofer allows for easy installation in tight vehicle spaces without compromising audio quality. With a mounting depth of only 86 mm and an increased motor structure, the Subwoofer fits even in vehicles with limited space, such as small cars or vehicles with tight trunk or door panel availability. The reduced depth minimizes the risk of vibrations and mechanical resonances that could affect sound quality. Additionally, the robust construction and heavy shipping weight of 4.80 kg provide stability and durability, which is especially important when the Subwoofer needs to be securely mounted in confined spaces.

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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