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  3. HMS 12 S4-LD-SW

Hertz HMS 12 S4-LD-SW 12" (30cm) Subwoofer

500 Watt

Hertz HMS 12 S4-LD-SW 12" (30cm) Subwoofer

Technical Highlights

  • Continuous power handling of 500 W, impedance of 4 ohms, 30 cm diameter.
  • Designed specifically for open baffle, 19 mm linear excursion, low distortion.
  • 65.5 mm voice coil diameter, flux ferrite magnet, 7.6 kg weight.
  • More technical details
€479,00
€479,00 €479,00
5% discount with prepayment
inkl. VAT , possibly plus shipping
Delivery
Mar 25, - Mar 28,
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Hertz-HMS 12 S4-LD-SW (B-Ware)-12" (30cm) Subwoofer-masori-kaufen
€479,00
€479,00 €479,00

HMS 12 S4-LD-SW by Hertz

The HMS 12 S4-LD-SW is a 12-inch marine subwoofer from Hertz, available in both 2- and 4-ohm single voice coil versions, known for its impressive continuous power handling of 500 W. The subwoofer is optimally designed for use with an open baffle, making it ideal for deep and powerful bass without the need for a special enclosure. With its adaptable sport grill featuring built-in LEDs, high-performance motor and suspension design, and additionally its high linear excursion capability, the subwoofer delivers remarkable performance with low distortion. As a key advantage, Hertz marine subwoofers not only add massive bass output to your system but also equally relieve the main speakers when reproducing the lowest frequencies, ultimately maximizing the overall system performance.

Technical Specifications

  • Size mm 300
  • Power Handling - RMS W 500
  • Power Handling - Peak W 1000
  • Impedance Ohm 4
  • Depth mm 191
  • Single Voice Coil
  • Voice Coil Ø 65.5
  • Magnet Size W x D x H mm 156 x 80 x 40
  • Weight per Component kg 7.6
  • Magnet High-Density Ferrite
  • Cone Polypropylene with UV Inhibitors

Electro-Acoustic Specifications

  • D mm 300
  • Xmax mm 19
  • Re Ohm 3.3
  • Fs Hz 30
  • Le mH 0.62
  • Vas l 104.7
  • Mms g 112
  • Cms mm/N 0.247
  • BL T*m 8
  • Qts 1
  • Qes 1.1
  • Qms 12.9
  • Spl dB 89.5

Physical Specifications

HMS 12 S4-LD-SW

  • A 342.9 mm
  • B 279.4 mm
  • C 192.8 mm
  • D 140.6 mm
  • F 52.2 mm

Frequency Response

HMS 12 S4-LD-SW

Accessories

HM RGB 1 BK

HMS 12 S4-LD-SW

  • The HM RGB 1 BK enhances your experience with multicolor LED lighting that can be customized to your mood or craft. It consists of an RGB REMOTE CONTROL specifically designed for HMX LD option models, including a wireless remote with extensive functionality that allows you to select the color that best matches your boat/ATV/motorcycle, as well as create a lighting show that reacts to the music tempo.

Features

HMS 12 S4-LD-SW

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Frequently Asked Questions about HMS 12 S4-LD-SW

What are the performance specifications of the Hertz HMS 12 S4-LD-SW?

The Hertz HMS 12 S4-LD-SW has an impressive RMS power handling of 500 W, ensuring durable and robust performance. At peak loads, the Marine Subwoofer reaches 1000 W, making it ideal for deep and powerful bass. With an impedance of 4 Ohms and a voice coil diameter of 65.5 mm, the Subwoofer combines durability and efficiency. The Subwoofer has a maximum excursion (Xmax) of 19 mm, resulting in low distortion and highlighting sound precision. Its SPL is 89.5 dB, guaranteeing high sound pressure output.

What are the dimensions and installation depth of the Hertz HMS 12 S4-LD-SW?

The Hertz HMS 12 S4-LD-SW Subwoofer has a diameter of 300 mm and a depth of 191 mm. These dimensions are ideal for marine applications where space is crucial. The cutout diameter is 279.4 mm, allowing for precise installation. If additional depth is needed, the installation depth is 192.8 mm to ensure optimal placement. It is important to pay close attention to these specifications, especially in tight and challenging environments, to ensure efficient installation.

What materials are used for the Hertz HMS 12 S4-LD-SW?

The Hertz HMS 12 S4-LD-SW uses high-quality materials to enhance performance and durability. The diaphragm is made of polypropylene with UV inhibitors to protect against sunlight. This is essential for use in challenging conditions on the water. The magnet uses high-density flux ferrite, enabling strong magnetic forces. This choice of materials supports performance in deep bass reproduction while providing stability and resistance to harsh conditions that can occur in a marine environment.

How does the sport grill with LEDs affect the use of the Hertz HMS 12 S4-LD-SW?

The adaptable sports grill of the Hertz HMS 12 S4-LD-SW features built-in LEDs that significantly enhance the aesthetic experience. This LED lighting can be used for stylish light effects that even respond to the music tempo. Thanks to the HM RGB 1 BK accessory, which includes an RGB remote control, adjusting the lighting is playfully possible. This innovative feature allows for perfect integration into the design of your boat or vehicle. The functionality with the HM RGB 1 BK remote opens up a wide range of creative possibilities that go beyond simple lighting.

What are the electro-acoustic specifications of the Hertz HMS 12 S4-LD-SW?

The Hertz HMS 12 S4-LD-SW is characterized by precise electro-acoustic specifications. With a resonance frequency (Fs) of 30 Hz, it combines deep bass reproduction with acoustic efficiency. The Qts value is 1, ensuring high oscillation quality. The effective mechanical mass (Mms) is 112 g. Adhering to these parameters allows for consistent sound performance across a wide frequency range. The parametric value Vas of 104.7 liters supports adaptation to various listening environments. The electromechanical storage Le is 0.62 mH, which is important for synchronous sound delivery.

How important is the impedance of the Hertz HMS 12 S4-LD-SW in a marine sound system?

The impedance of the Hertz HMS 12 S4-LD-SW at 4 Ohms plays a crucial role in the efficiency of a marine sound system. A 4-Ohm impedance provides an ideal balance between power amplification and compatibility with conventional amplifiers. This adaptability facilitates seamless connection to existing audio systems. Operating in a 4-Ohm mode allows the system to deliver higher power while simultaneously drawing current without causing distortion. This keeps sound accuracy consistent and efficiently maintains the performance of the entire audio system.

How is the Hertz HMS 12 S4-LD-SW compatible with the HM RGB 1 BK accessory?

The Hertz HMS 12 S4-LD-SW is optimally designed for integration with the HM RGB 1 BK accessory. The RGB remote control of the accessory allows for the selection of lighting colors that best match the environment of your boat or off-road vehicle. Harmonizing between Subwoofer lighting and the surroundings guarantees impressive visual effects. Thanks to the wireless remote control, switching between different light effects can be done effortlessly. This adaptability enhances the aesthetic experience and also provides practical control through interfaces that compete with other Hertz products.

Which screws are suitable for mounting the Hertz HMS 12 S4-LD-SW?

The correct installation of the Hertz HMS 12 S4-LD-SW requires special consideration of screws compatible with a 12-inch Subwoofer. To ensure secure fastening, screws should be used that take into account the outer diameter of the Subwoofer of 342.9 mm. Ideally, screws with a strength that ensures mechanical and acoustic stability should be used. By correctly using selected, galvanized screws, not only is a secure hold guaranteed, but the acoustic integrity of the system is also maintained. Corrosion-resistant materials are also advisable for marine environments.

How does the Hertz HMS 12 S4-LD-SW enable high bass performance without a housing?

The Hertz HMS 12 S4-LD-SW is specifically designed for use with an open baffle, eliminating the need for a special housing. Its high-performance motor and suspension design maximizes bass performance without housing restrictions. This construction allows for flexible placement and provides deep and resonant bass frequencies that are not influenced by housing regulations. The Subwoofer unleashes its power through the use of a polypropylene material with UV inhibitors, offering acoustic benchmarks that exceed standardized enclosure limitations. This is particularly advantageous in open or semi-closed environments.

What Thiele Small parameters characterize the Hertz HMS 12 S4-LD-SW?

The Thiele Small parameters of the Hertz HMS 12 S4-LD-SW provide insight into its electro-acoustic performance. These include Vas at 104.7 liters, allowing for more efficient volume matching. Qts with a value of 1 enables high-quality sound reproduction. The resonance frequency (Fs) value is at 30 Hz, ideal for deep bass frequencies. The BL factor is 8 T*m, illustrating the magnetic efficiency. This precision in the parameters ensures an acoustic performance that positions the Hertz HMS 12 S4-LD-SW as a leading Subwoofer for marine applications.

Manufacturer information / responsible person

Elettromedia SpA
62018 Potenza Picena (MC)
Strada Regina km 3,500
Italy

Contact person:
Simone Iampieri
Executive Director Assistant
T +39 0733 870 813
Elettromedia SpA
62018 Potenza Picena (MC) Italy
Strada Regina km 3,500
T + 39 0733 870 870

Contact: simone.iampieri@elettromedia.it

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