3. Punch P2D2-8 / P2D4-8

Rockford Fosgate Punch P2D2-8 / P2D4-8 8" (20cm) Subwoofer

2 Reviews

Rockford Fosgate Punch P2D2-8 / P2D4-8 8" (20cm) Subwoofer

2 Reviews

  • Power RMS 250 watts, impedance D2 or D4.
  • Kevlar fiber reinforced paper membrane, VAST technology.
  • StampCast basket, integrated spider ventilation, PVC magnetic cover.
  • Mehr technische Details
€159,00
€159,00 €159,00
5% Rabatt mit Vorkasse
inkl. VAT , possibly plus shipping
Klarna Bequem in 12 zinsfreien Raten à €13,25 mit Klarna zahlen.
Impedance: D2 (2x2 Ohm)
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Dec 6, - Dec 9,
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Punch P2D2-8 / P2D4-8 by Rockford Fosgate

Rockford Fosgate has always been known as "The PUNCH," and the Punch P2D2-8 and P2D4-8 8-inch subwoofers continue this tradition. The Kevlar fiber-reinforced paper cones deliver a noticeable bass impact, and the VAST technology increases the cone area by up to 25%. The P2 8-inch subwoofers are best suited for sealed and vented bass reflex enclosures. Includes diamond-cut aluminum cast trim ring. An optional grille insert is also available.

Features

  • Dual linear spider with embedded 16 AWG tinsel leads
  • Custom 4mm² nickel-plated push terminals
  • High-temperature voice coil with spun Nomex® reinforcement collar
  • Extended pole shoe and compressed, vented backplate
  • Protective, textured PVC magnet cover
  • Kevlar fiber-reinforced paper cone
  • StampCast basket with integrated spider venting
  • Diamond-cut aluminum cast ring with optional grille

Specifications

  • 8-inch subwoofer
  • RMS Power: 250 Watts
  • Max Power: 500 Watts
  • Mounting Depth: 120.8 mm
  • Voice Coil Diameter: 57.7 mm
  • Magnet Weight: 2.06 kg
  • Woofer Displacement: 1.2 liters
  • Shipping Weight: 1.38 kg
  • Cutout Diameter: 181 mm
  • Available in D2 and D4 impedance
  • D2 (2x2 Ohm) Variant:
    • Nominal Impedance: Dual 2-Ohm
    • Voice Coil Type: Dual voice coil
    • Qts: 0.46
    • Qms: 5.40
    • Xmax (mm): 7.8
    • SPL (dB @ 1w/1m): 83
    • Fs (Hz): 39.6
    • Qes: 0.51
    • Vas (liters): 9.9
    • Re (Ohm): 3.40
    • Le (mH): 2.9
    • Sd (cm²): 221
    • Sealed Enclosure Volume (Vb): 6.5 liters
    • Bass Reflex Enclosure Volume (Vb): 18.4 liters
  • D4 (2x4 Ohm) Variant:
    • Nominal Impedance: Dual 4-Ohm
    • Voice Coil Type: Dual voice coil
    • SPL (dB @ 1w/1m): 83
    • Fs (Hz): 43
    • Re (Ohm): 6.90
    • Sd (cm²): 221
    • Qts: 0.52
    • Qes: 0.58
    • Qms: 5.40
    • Vas (liters): 9.9
    • Xmax (mm): 7.7
    • Le (mH): 4.3
    • Sealed Enclosure Volume (Vb): 6.5 liters
    • Bass Reflex Enclosure Volume (Vb): 18.4 liters

Frequent questions about Punch P2D2-8 / P2D4-8

Welche Leistungsmerkmale hat der Rockford Fosgate Punch P2D2-8 Subwoofer?

The Rockford Fosgate Punch P2D2-8 subwoofer is equipped with an RMS power of 250 watts and a maximum power of 500 watts. With a mounting depth of 120.8 mm, it features a dual voice coil type with a nominal impedance of dual 2-ohm. The Kevlar-reinforced paper cone ensures impressive bass reproduction, and the VAST technology increases the cone area by up to 25%. These features not only protect the speaker but also significantly improve sound quality. The voice coil has a diameter of 57.7 mm, the magnet weighs 2.06 kg, and the displacement of the woofer is 1.2 liters.

Welche Gehäusetypen sind für den Rockford Fosgate P2D2-8 geeignet?

Both sealed and bass reflex enclosures are suitable for the Rockford Fosgate P2D2-8 subwoofer. The recommended sealed enclosure volume is 6.5 liters, while the bass reflex enclosure volume is 18.4 liters. The specific design, such as the VAST technology that increases the diaphragm area by 25%, and the StampCast basket with integrated spider ventilation, makes the P2D2-8 particularly flexible in use. The enclosure volume plays a crucial role in bass quality and resonance, which is why it is important to adhere to the recommended volume specifications for optimal performance.

Welche Unterschiede bestehen zwischen den P2D2-8 und P2D4-8 Modellen?

The main differences between the P2D2-8 and the P2D4-8 subwoofers from Rockford Fosgate lie in the impedance. The P2D2-8 has a dual voice coil with 2x2 ohms, while the P2D4-8 offers a dual voice coil with 2x4 ohm impedance. The differences in impedance affect compatibility with various amplifier circuits. Additionally, some specifications vary slightly, with both models featuring the same cone area of 221 cm² and VAST technology, which increases the cone area by up to 25%.

Wie erfolgt die Installation des Punch P2D2-8 Subwoofers?

The installation of the Punch P2D2-8 requires careful preparation regarding the installation depth and cutout diameter. With an installation depth of 120.8 mm and a cutout diameter of 181 mm, it is important to mount the subwoofer in a compatible enclosure. The StampCast basket with integrated spider ventilation facilitates installation. Ensure that the wiring is compatible with the 4mm² nickel-plated push terminals. The positioning of the subwoofer in the vehicle can significantly affect the sound. Experiment with the placement to achieve optimal bass reproduction.

Welche technischen Vorteile bietet die VAST-Technologie?

The VAST technology from Rockford Fosgate, used in the Punch P2D2-8 subwoofer, stands for 'Vertical Attach Surround Technique'. This technology increases the effective cone area by up to 25%, resulting in enhanced bass output and improved sound quality. The special attachment of the surround edge achieves a larger cone area without the need for a larger chassis. This allows for more efficiency and pressure, essential for bass enthusiasts and those who desire peak performance without having to compromise on the installation of a larger subwoofer.

Welche Rolle spielt die Schwingspule beim Punch P2D2-8?

The voice coil in the Punch P2D2-8 plays a crucial role in handling high power levels and heat dissipation. The subwoofer is equipped with a high-temperature resistant voice coil and a spun Nomex reinforcement collar. This increases durability and resilience, which are important when high electrical and thermal loads occur. Combined with a diameter of 57.7 mm, the voice coil is designed to deliver distortion-free sound at high volumes. It is a key element for the performance of the subwoofer.

Wie verbessert der StampCast-Korb die Leistung des P2D2-8?

The StampCast basket of the Punch P2D2-8 subwoofers from Rockford Fosgate features integrated spider ventilation, which contributes to the effective cooling of the voice coil. This technical innovation improves thermal management and reduces the risk of overheating and performance loss. With increased stability and precise guidance of the moving parts, it enables the transmission of the highest sound quality. Even under extreme conditions, the basket does not develop deformations or vibrations that could compromise the sound, making it the ideal choice for performance-oriented audio systems.

Sind die P2D2-8 Subwoofer mit allen Fahrzeugtypen kompatibel?

The compatibility of the Rockford Fosgate P2D2-8 subwoofers depends on several factors, primarily the installation size and the available volume for the subwoofer enclosure. The installation depth is 120.8 mm, which allows for installation in many common vehicle models, provided that the cutout diameter of 181 mm is taken into account. Without specific brand compatibility in the description, it is crucial to check the dimensions of the installation location in the vehicle beforehand. The choice between a sealed or bass reflex enclosure must also be considered to ensure optimal sound quality and to avoid space issues.

Welche Materialien werden im Punch P2D2-8 Subwoofer verwendet?

The Rockford Fosgate Punch P2D2-8 is made from a variety of high-quality materials that contribute to its durability and impressive performance. The diaphragm is made from Kevlar-reinforced paper, which provides strength and flexibility. The dual linear spider uses embedded 16 AWG lead wires, which are crucial for insensitivity to high temperatures. The StampCast basket features an intelligent ventilation system, while the diamond-cut aluminum cast ring offers additional stability and protection. The combination of these materials allows for clean, distortion-free sound even at high volumes.

Welche TSP (Thiele-Small-Parameter) hat der Punch P2D2-8 Subwoofer?

The Thiele-Small parameters of the Rockford Fosgate Punch P2D2-8 subwoofer provide important information about its acoustic properties and are crucial for enclosure design. Key parameters include: Qts 0.46, Qms 5.40, Qes 0.51, and Vas 9.9 liters. The resonance frequency (Fs) is 39.6 Hz, indicating accurate bass reproduction. The Xmax of 7.8 mm reflects the maximum linear excursion, and the sensitivity level (SPL) is 83 dB at 1W/1m, ensuring high efficiency. These values are critical for high-quality acoustic performance.

Herstellerinformation/verantwortliche 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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