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Rockford Fosgate Punch P1S2-12 / P1S4-12 12" (30cm) Subwoofer
SKU:  P1S2-12
EAN:  4251950323077

Punch P1S2-12 / P1S4-12

SKU:  P1S2-12
EAN:  4251950323077

Technical Highlights

  • Power handling RMS 250 watts, impedance 2 ohms or 4 ohms.
  • Kevlar fiber reinforced paper cone, VAST technology.
  • StampCast basket, integrated spider vent, ABS trim ring.
  • More technical details
Normal price €149,00
Normal price €149,00 Selling price €149,00
5% discount with credit card
inkl. VAT , possibly plus shipping
Impedance: S2 (1x2 Ohm)
Delivery
Jun 5, - Jun 8,
x piece
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Punch P1S2-12 / P1S4-12 by Rockford Fosgate

Rockford Fosgate Punch P1S2-12 / P1S4-12 is a 12 inch (30 cm) Subwoofer with 250 watts RMS and 500 watts Max. The Kevlar fiber reinforced paper diaphragm works with VAST technology to increase the diaphragm area by up to 25%. A linear spider with embedded 4 mm² lead wires, a high-temperature voice coil with spun Nomex reinforcement collar, and a StampCast basket with integrated spider ventilation are included. Rubberized ABS trim ring with optional grille, custom 10-AWG nickel-plated push terminals, as well as extended pole shoe and compressed, ventilated back plate are present. A textured PVC magnet cover protects the drive. Available as a single voice coil in 2 Ohm (P1S2-12) and 4 Ohm (P1S4-12). Important dimensions: voice coil 51.6 mm, mounting depth 152.4 mm, cutout 285 mm, displacement 2.3 liters, magnet 1.28 kg, shipping weight 5.66 kg. Suitable for closed and bass reflex enclosures. Includes soft-touch ABS cover ring.

Features
  • 12 inch (30 cm) Subwoofer
  • Kevlar fiber reinforced paper cone
  • VAST technology to increase diaphragm area by up to 25%
  • Linear spider with embedded 4 mm² lead wires
  • High-temperature voice coil with spun Nomex reinforcement collar
  • StampCast basket with integrated spider ventilation
  • Rubberized ABS trim ring with optional grille
  • Custom 10-AWG nickel-plated push terminals
  • Extended pole shoe and compressed, ventilated back plate
  • Protective, textured PVC magnet cover
  • Available as a single voice coil in 2 Ohm and 4 Ohm
  • Suitable for closed and bass reflex enclosures
  • Includes soft-touch ABS cover ring
Technical specifications
  • RMS power handling: 250 watts
  • Max power handling: 500 watts
  • Diameter of the voice coil: 51.6 mm
  • Magnet weight: 1.28 kg
  • Cutout diameter: 285 mm
  • Mounting depth: 152.4 mm
  • Displacement of the woofer: 2.3 liters
  • Shipping weight: 5.66 kg
  • 2 Ohm variant:
    • Nominal impedance: 2 Ohm
    • Voice coil type: Single voice coil
    • Re: 1.8 Ohm
    • Sd: 548 cm²
    • Vas: 88.3 liters
    • Qts: 0.55
    • Qes: 0.84
    • Qms: 3.39
    • Le: 1.17 mH
    • Fs: 25 Hz
    • Xmax: 9.0 mm
    • SPL @ 1 W/1 m: 86 dB
    • SPL @ 2.8 V/1 m: 89 dB
    • Closed enclosure volume (Vb): 28.8 liters
    • Bass reflex enclosure volume (Vb): 50.6 liters
  • 4 Ohm variant:
    • Voice coil type: Single voice coil
    • Nominal impedance: 4 Ohm
    • Le: 3.01 mH
    • Fs: 25 Hz
    • Qts: 0.55
    • Qes: 0.56
    • Qms: 3.40
    • Xmax: 9.0 mm
    • Vas: 88.3 liters
    • Re: 3.6 Ohm
    • Sd: 548 cm²
    • SPL @ 1 W/1 m: 86 dB
    • SPL @ 2.8 V/1 m: 89 dB
    • Closed enclosure volume (Vb): 28.8 liters
    • Bass reflex enclosure volume (Vb): 50.6 liters

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Frequently Asked Questions about Punch P1S2-12 / P1S4-12


What impedances does the Rockford Fosgate Punch P1S2-12 / P1S4-12 offer?

The Punch P1S2-12 offers a single 2-ohm nominal impedance, while the P1S4-12 has a single 4-ohm nominal impedance. This information is crucial for integration into various car audio systems to ensure optimal performance. Additional technical data such as an inductance of 1.17 mH for the 2-ohm variant and 3.01 mH for the 4-ohm variant provide insight into the inductance that plays a role in the frequency response of the Subwoofer. These specifications allow for precise matching to the Amplifiers to avoid power bottlenecks and fully utilize the Subwoofer's potential.

What is the mounting depth of the Punch P1S2-12 / P1S4-12 Subwoofer?

The mounting depth of the Rockford Fosgate Punch P1S2-12 / P1S4-12 Subwoofer is 152.4 mm, which is significant when planning the installation in various vehicle types. When integrating this Subwoofer into an enclosure, it is important to consider the cutout diameter of 285 mm. These values are critical for fit accuracy, as improper installation could affect performance. Whether in sealed enclosures with a volume of 28.8 liters or in bass reflex enclosures with a volume of 50.6 liters – the correct dimensions are essential to achieve the ideal sound.

What power ratings does the Punch P1S2-12 / P1S4-12 Subwoofer have?

The Rockford Fosgate Punch P1S2-12 / P1S4-12 Subwoofer offers an RMS power handling of 250 watts and a maximum power handling of 500 watts. These power parameters allow for the production of intense bass frequencies that are perfect for car audio enthusiasts who prefer high volumes. The Subwoofer features a voice coil with a diameter of 51.6 mm for improved thermal efficiency and power handling. The combination of Kevlar fiber-reinforced paper cone and rubberized ABS ring ensures the reproduction of deep, clean bass that is powerful in both sealed and bass reflex enclosures.

What frequency response details does the Punch P1S2-12 / P1S4-12 offer?

The Punch P1S2-12 / P1S4-12 Subwoofer is equipped with an Fs value of 25 Hz. This means that this Subwoofer is capable of reproducing very low frequencies, resulting in powerful bass reproduction. Important parameters such as Vas (88.3 liters) and Xmax (9.0 mm) support this frequency response and contribute to better overall sound performance. The Qts value of 0.55 indicates that the Subwoofer is applicable in a variety of enclosure types designed for different bass reproduction. These technical specifications allow for achieving the perfect sound for any music genre.

What is the maximum SPL for the Punch P1S2-12 / P1S4-12 Subwoofer?

The maximum sound pressure level (SPL) of the Rockford Fosgate Punch P1S2-12 / P1S4-12 is 89 dB at 2.8v/1m, indicating the efficiency of the Subwoofer in converting electrical power into acoustic pressure. These SPL values apply to both Subwoofer variants, providing suitable options for different car audio applications. The conventional sound pressure level at 1w/1m is also 86 dB, meaning that this Subwoofer can deliver quick bass responses even at lower power input. These values are crucial for selecting the Subwoofer to meet specific sound quality requirements.

What materials were used for the Punch P1S2-12 / P1S4-12 Subwoofer?

The Rockford Fosgate Punch P1S2-12 / P1S4-12 Subwoofer features a Kevlar fiber-reinforced paper cone, which not only ensures precise bass reproduction but also guarantees high structural integrity. Additionally, the voice coil is equipped with a high-temperature resistant Nomex® reinforcement collar, which enhances thermal durability. The StampCast basket with built-in spider ventilation improves heat dissipation and contributes to the longevity of the Subwoofer. The rubberized ABS ring with optional grille provides an additional aesthetic and protective dimension, ideal for automotive applications to meet both sound and design requirements.

How does the 2-ohm variant differ from the 4-ohm variant of the Punch P1S2-12 / P1S4-12?

The 2-ohm variant of the Punch P1S2-12 Subwoofer has a Re of 1.8 ohms and a Le of 1.17 mH, while the 4-ohm variant of the P1S4-12 has a Re of 3.6 ohms with a Le of 3.01 mH. These differences in electrical characteristics affect the impedance of the Subwoofer, which in turn relates to compatibility with certain Amplifiers and the overall wiring options in the car audio system. The correctly selected Subwoofer depends on the power configuration required for the specific system to achieve maximum efficiency and optimal performance. However, both variations deliver excellent sound, suitable for sealed and vented enclosures.

What are the Thiele-Small parameters of the Punch P1S2-12?

The Thiele-Small parameters of the Rockford Fosgate Punch P1S2-12 Subwoofer help to understand its acoustic performance in detail. Re is 1.8 ohms, indicating the DC resistance, while Sd is 548 cm², describing the effective cone area. Vas is 88.3 liters, Qts is 0.55, Qes is 0.84, and Qms is 3.39; these values significantly influence the sound character of the Subwoofer. Fs is specified at 25 Hz, an essential specification for deep bass frequencies. The specifications provide crucial information for choosing the appropriate enclosure to ensure tailored sound and performance in use.

How should the installation of the Punch P1S2-12 / P1S4-12 Subwoofer in the car be planned?

The installation of the Rockford Fosgate Punch P1S2-12 / P1S4-12 Subwoofer requires careful planning of the dimensions: The cutout diameter is 285 mm, while the mounting depth must not exceed 152.4 mm. These precise measurements are necessary to ensure that the Subwoofer fits into the designated opening and does not interfere with other components in the vehicle. Customers can choose either a sealed enclosure with 28.8 liters or a bass reflex enclosure with 50.6 liters, depending on sound preference. The installation consideration should include the space requirements in the vehicle to guarantee the best possible performance and rich bass.

What features does the Rockford Fosgate Punch P1S2-12 / P1S4-12 offer in terms of enclosure choice?

With the Rockford Fosgate Punch P1S2-12 / P1S4-12 Subwoofer, there are two types of enclosures to choose from, which significantly affect the sound: a sealed enclosure volume of 28.8 liters for tight bass and a bass reflex enclosure with 50.6 liters for deeper bass reproduction. This allows audio enthusiasts to tailor to specific needs based on vehicle configuration and music style. The Subwoofer is compatible with various enclosures that can be customized to individual bass requirements. This flexibility in enclosure choice ensures that a personalized audio experience can be created.

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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