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  3. HMS 12 B4-LD-W

Hertz HMS 12 B4-LD-W 12" (30cm) Subwoofer

500 Watt

Hertz HMS 12 B4-LD-W 12" (30cm) Subwoofer

Technical Highlights

  • Continuous power handling of 500 W, impedance of 4 ohms, without housing.
  • Designed for free air, voice coil size of 65.5 mm, 12".
  • High sound pressure, Xmax of 19 mm, impressive 1000 W peak.
  • More technical details
€439,00
€439,00 €439,00
5% discount with prepayment
inkl. VAT , possibly plus shipping
Delivery
Mar 25, - Mar 28,
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Hertz-HMS 12 B4-LD-W-12" (30cm) Subwoofer-masori-kaufen
€439,00
€439,00 €439,00

HMS 12 B4-LD-W by Hertz

Are you looking for a high-performance marine subwoofer? Then the HMS 12 B4-LD-W from Hertz could be just what you need. This 12-inch subwoofer is specially designed for free air applications and delivers deep, powerful bass without the need for a special enclosure. With its classic grille, which can be color-adjusted thanks to built-in LEDs, and an impressive continuous power handling of 500 W, it offers an outstanding package both visually and technically. Features such as long linear excursion and the ability to relieve the main speakers from low-frequency reproduction maximize overall system performance and provide unlimited sound pressure and emotion.

Technical Data

  • 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
  • High-density flux ferrite magnet
  • Polypropylene cone with UV inhibitors

Electro-Acoustic Specifications

  • D mm 300
  • Xmax mm 19
  • Re Ohm 1.8
  • Fs Hz 30
  • Le mH 0.41
  • Vas I 95.4
  • Mms g 114
  • Cms mm/N 0.225
  • BL T*m 8
  • Qts 1
  • Qes 1.1
  • Qms 11.1
  • Spl dB 89.5

Physical Specifications

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

Frequency Response

Accessories

HM RGB 1 BK

HMS 12 B4-LD-W

  • The HM RGB 1 BK enhances your experience with multi-color LED lighting that can be adjusted to your mood or environment. Consists of an RGB CONTROLLER, specially developed for HMX LD option models, including a wireless remote control.

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Frequently Asked Questions about HMS 12 B4-LD-W

What is the RMS power handling of the Hertz HMS 12 B4-LD-W Marine-Subwoofer?

The RMS power handling of the Hertz HMS 12 B4-LD-W Marine-Subwoofer is 500 Watts. This specification describes the maximum continuous power that the Subwoofer can handle without damage. For applications requiring high and consistent power, such as extensive audio setups on boats, this is an essential specification. The RMS power handling is a critical parameter to ensure the reliability and efficiency of the audio device. Combined with a peak power handling of 1000 Watts, it provides a robust performance profile for demanding applications.

What size is the Hertz HMS 12 B4-LD-W Subwoofer?

The Hertz HMS 12 B4-LD-W Subwoofer has a size of 12 inches or 30 cm. This dimension is typical for Subwoofers designed to produce high sound pressure levels and deep bass frequencies. Such a size allows the Subwoofer to efficiently reproduce low-frequency sounds, which is particularly important for applications in open or semi-open environments like on a boat. The large diaphragm area is crucial for air displacement, thus enhancing the depth and volume of the produced bass.

What frequency range does the Hertz HMS 12 B4-LD-W cover?

The frequency range of the Hertz HMS 12 B4-LD-W, according to the manufacturer, extends from extremely low frequencies, which is optimal for reproducing deep, powerful bass sounds. A well-defined frequency range specification is generally needed information to understand the overall performance and sound profile in conjunction with other speakers. Its design for free air applications also eliminates the need for a bulky enclosure, increasing installation flexibility. An ideal Subwoofer for use in maritime conditions to achieve an impressive soundscape.

What features does the linear excursion capability of the HMS 12 B4-LD-W offer?

The linear stroke capability of the HMS 12 B4-LD-W Subwoofer from Hertz allows the diaphragm to move evenly over a long range, minimizing the risk of distortion. This property keeps the sound pressure clear and precise even at high volumes. This capability is essential to ensure accurate low-frequency reproduction and relieve the main speakers from low frequencies, contributing to the overall improvement of the system. It provides a deep, uncolored bass experience, ideal for audiophile use at sea.

Is the HMS 12 B4-LD-W compatible with many car brands?

The Hertz HMS 12 B4-LD-W Subwoofer is a marine subwoofer designed primarily for use on boats. Therefore, there is no standard compatibility specification for car brands. Instead, it is optimized for free air applications and does not require a conventional enclosure; simple installation in existing cutouts with suitable dimensions is possible with a 300mm diameter. The correct physical specifications of the installation location are important to utilize the full performance range of the subwoofer. Its specialization for marine applications makes it universally applicable for other open-air installations.

What type of diaphragm is used in the HMS 12 B4-LD-W?

The Hertz HMS 12 B4-LD-W Subwoofer uses a polypropylene diaphragm that features UV inhibitors. This material choice is specifically selected for outdoor use and in humid environments, as it is resistant to environmental influences while still providing the desired flexibility and stiffness for effective bass reproduction. The UV inhibitors prevent fading or brittleness of the material due to long-term sun exposure, which is particularly important for marine applications. This ensures long-term, powerful bass performance.

What is the function of the integrated LED lighting system of the HMS 12 B4-LD-W?

The Hertz HMS 12 B4-LD-W Subwoofer is equipped with an integrated LED lighting system, the color of which can be adjusted. This is achieved through the included accessory, the HM RGB 1 BK, which features a multicolored RGB LED control. With a remote control, it is possible to adjust the light color and intensity to match your preferences or the environment. Especially in a marine setting, this can be used to enhance the mood and create a unique appearance. A feature that combines both function and form.

How heavy is the Hertz HMS 12 B4-LD-W Subwoofer?

The Hertz HMS 12 B4-LD-W Subwoofer weighs 7.6 kg. This specific weight results from its robust construction and high-quality materials, such as the strong flux ferrite magnet. The weight is an indicator of stability and a sustainable design that guarantees high performance under demanding conditions while providing protection against mechanical shocks. An important aspect for installation in outdoor environments like on a boat, where wind and weather play a role. This gives it impressive stability and durability in operation.

What advantages does the single voice coil of the HMS 12 B4-LD-W offer?

The Hertz HMS 12 B4-LD-W is equipped with a single voice coil that has a diameter of 65.5 mm. This voice coil helps reduce power losses and optimize sound quality. By effectively dissipating heat under high power demands, thermal stress is lowered, increasing overall reliability during prolonged operation. Additionally, the single voice coil allows for easier integration into existing audio systems compared to dual coil configurations, specifically tailored for free installations. A clear advantage for applications that require consistent performance.

What are the mounting dimensions of the Hertz HMS 12 B4-LD-W?

The mounting dimensions of the Hertz HMS 12 B4-LD-W Subwoofer are precisely specified to ensure a perfect installation: The overall dimension is 342.9 mm in outer diameter, with a mounting depth of 191 mm. This data ensures a snug fit in the intended setup, which is particularly important to ensure stability and performance at the installation site. Even though this is a subwoofer designed for free air applications, accurate measurements of the installation environment are necessary to minimize potential vibrations and avoid sound losses.

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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