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  5. Punch P1S2-15 / P1S4-15

Punch P1S2-15 / P1S4-15

1 review

250 Watt

Punch P1S2-15 / P1S4-15

1 review

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
€189.05
-5% €199.00 €189.05
2% discount with credit card

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ProductPunch P1S2-15 / P1S4-15 · S2 (1x2 Ohm)

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Impedance: S2 (1x2 Ohm)
Estimated delivery: Sep 18–Sep 23.
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Rockford Fosgate-Punch P1S2-15 / P1S4-15-15" (38cm) Subwoofer-masori-kaufen
€189.05
€199.00 €189.05

Punch P1S2-15 / P1S4-15 is a 15-inch (38 cm) Subwoofer from Rockford Fosgate. The nominal power handling is 250 Watts RMS, with a peak power handling of 500 Watts, available as a single voice coil with 2 Ohms or 4 Ohms. Kevlar fiber-reinforced paper cone and VAST technology to increase the 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, and custom 10-AWG nickel-plated push terminals. Extended pole shoe, compressed and ventilated back plate, protective textured PVC magnet cover, and soft-touch ABS trim ring. Technical specifications include a voice coil diameter of 51.6 mm, magnet weight 1.70 kg, mounting depth 177.2 mm, cutout diameter 351.8 mm, displacement of the woofer 4.2 liters, and shipping weight 7.98 kg. Acoustic parameters: Fs 23 Hz, Qts 0.55, Vas 191.5 liters, Sd 876 cm², Xmax 9.0 mm, sound pressure 87 dB at 1 W/1 m and 90 dB at 2.8 V/1 m, recommended enclosure volume sealed 44.7 liters and bass reflex 75.3 liters.

Features
  • 15-inch (38 cm) Subwoofer
  • Power handling RMS 250 Watts
  • Power handling Max 500 Watts
  • Available in single 2 Ohm and single 4 Ohm impedance
  • Kevlar fiber-reinforced paper cone
  • VAST technology to increase the 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, soft-touch
  • Custom 10-AWG nickel-plated push terminals
  • Extended pole shoe and compressed, ventilated back plate
  • Protective, textured PVC magnet cover
  • Voice coil diameter 51.6 mm
  • Magnet weight 1.70 kg
  • Mounting depth 177.2 mm
  • Cutout diameter 351.8 mm
  • Displacement of the woofer 4.2 liters
  • Shipping weight 7.98 kg
Technical Data
  • Fs 23 Hz
  • Qts 0.55
  • Vas 191.5 liters
  • Sd 876 cm²
  • Xmax 9.0 mm
  • SPL 87 dB at 1 W/1 m
  • SPL 90 dB at 2.8 V/1 m
  • Sealed enclosure volume 44.7 liters
  • Bass reflex enclosure volume 75.3 liters
  • 2 Ohm variant:
    • Nominal impedance 2 Ohms
    • Voice coil type single voice coil
    • Re 1.8 Ohms
    • Qes 0.80
    • Qms 3.46
    • Le 1.12 mH
  • 4 Ohm variant:
    • Nominal impedance 4 Ohms
    • Re 3.60 Ohms
    • Qes 0.62
    • Qms 3.20
    • Le 3.14 mH

Frequently Asked Questions about Punch P1S2-15 / P1S4-15

What are the differences between the Punch P1S2-15 and P1S4-15 Subwoofer?

The main differences between the Punch P1S2-15 and the P1S4-15 from Rockford Fosgate lie in the impedance and electrical characteristics. The P1S2-15 has a nominal impedance of 2 Ohms, while the P1S4-15 operates with 4 Ohms impedance. These differences affect the circuit matching in your car audio system. However, both models share other technical features, such as a Kevlar-reinforced paper cone and a voice coil with a Nomex® reinforcement collar. Regarding power handling, both versions are rated for 250 Watts RMS and a maximum of 500 Watts. The choice between the two depends on your specific amplifier setup.

How does the VAST technology affect the performance of the Punch P1S2-15 Subwoofer?

The VAST technology (Vertical Attach Surround Technique) from Rockford Fosgate in the Punch P1S2-15 Subwoofer increases the diaphragm area by up to 25%, resulting in more powerful bass. This technology maximizes the cone area by modifying the surround profile. In practical use, this means you can hear richer and deeper bass without changing the required speaker area. Especially if you enjoy listening to music at high volumes, this technology offers you the opportunity to enjoy even more intense sound experiences. This innovation is particularly noteworthy for compact setups in cars.

What technical features support the bass performance of the Punch P1S4-15?

The Punch P1S4-15 Subwoofer utilizes a range of technical features to provide excellent bass performance. This includes the Kevlar-reinforced paper cone, which ensures clear and precise bass reproduction. The high-temperature voice coil with spun Nomex® reinforcement collar enhances thermal stability and performance, especially at high volumes. Complemented by the StampCast basket with integrated spider ventilation, the subwoofer ensures effective cooling. The extended pole piece and vented back plate also contribute to thermal efficiency, which is beneficial for demanding bass requirements.

What compatibility considerations should be taken into account when installing in a car?

When installing the Rockford Fosgate Punch P1S2-15 or P1S4-15 in your vehicle, dimensions are crucial. With a mounting diameter of 351.8 mm and a mounting depth of 177.2 mm, these Subwoofers fit into numerous enclosure configurations. The recommended volume for sealed enclosures is 44.7 liters and for bass reflex enclosures is 75.3 liters, making installation in various car models easier. These measurements are particularly important to ensure that the Subwoofer has the necessary space both in the enclosure and in the vehicle, without compromising sound quality.

What electrical parameters are important for installation?

For the installation of the Punch P1S2-15 or P1S4-15 Subwoofer, various electrical parameters are significant. The nominal impedance of 2 ohms or 4 ohms determines compatibility with your Amplifier. An RMS value of 250 watts and a maximum of 500 watts indicates the power capacity. The Qts value of 0.55 affects the resonance characteristics. Other parameters such as Re, Le, and Vas (191.5 liters) play a role in frequency response and dynamics. These technical specifications are crucial to ensure optimal sound quality in conjunction with other audio components.

How do the Thiele-Small parameters contribute to the performance of the Punch P1S2-15?

The Thiele-Small parameters are critical for the performance of the Punch P1S2-15 Subwoofer. The high Vas value of 191.5 liters indicates how much air the Subwoofer can move, which is beneficial for deep bass. With an Fs of 23 Hz, the Subwoofer is capable of accurately reproducing very low frequencies. The Qts value of 0.55 shows the balance between mechanical and electrical Damping, ideal for various enclosure types. These parameters help understand how the Subwoofer will perform in different acoustic environments and assist you in choosing the appropriate enclosure types.

What materials were used in the construction of the Punch P1S2-15?

The Punch P1S2-15 Subwoofer is characterized by its high-quality material selection, which is crucial for its durability and performance. The cone is reinforced with Kevlar fibers, allowing for extreme robustness and precise sound at high volumes. The high-temperature voice coil features a Nomex® reinforcement collar to ensure thermal stability. The StampCast basket provides a solid construction and improved heat dissipation. The protective, textured PVC magnet cover and a soft-touch ABS trim ring complete the functional aesthetics. These materials significantly contribute to performance and durability.

What are the special features of the Punch P1S4-15 compared to other Subwoofers?

The Punch P1S4-15 Subwoofer offers specialized features that set it apart from other Subwoofers. In addition to VAST technology, which significantly increases the diaphragm area, it features a Kevlar fiber-reinforced paper cone that ensures extremely clear bass reproduction. The high-temperature voice coil guarantees durability and resistance to thermal stress. A StampCast basket with integrated spider ventilation improves heat dissipation. The Subwoofer is also equipped with a rubberized ABS trim ring that can optionally accommodate a grille, and it has custom 10-AWG nickel-plated push terminals for optimal electrical conductivity.

How does the voice coil affect the performance of the Punch P1S2-15 Subwoofer?

The voice coil of the Punch P1S2-15 Subwoofer is an essential element for its performance. With a diameter of 51.6 mm and made from high-temperature materials, it withstands intense conditions and provides stable performance even at high volumes. The Nomex® reinforcement collar supports the structural integrity of the voice coil, leading to reliable and sustained audio playback. These technical characteristics enable the Subwoofer to deliver high performance without distortion, ensuring that the bass remains smooth and clear even in demanding applications.

How should the Punch P1S2-15 be installed for optimal performance?

The installation of the Punch P1S2-15 should consider both the technical parameters and the specific requirements of your vehicle. For optimal performance, the Subwoofer can be installed in sealed enclosures with a volume of 44.7 liters or in bass reflex enclosures with a volume of 75.3 liters. The correct placement in the trunk or another suitable area can significantly affect bass reproduction. A well-ventilated space around the StampCast basket is ideal for efficiently utilizing the integrated spider ventilation. These measures ensure that the Subwoofer realizes its full sound potential.

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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