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Hertz

HMS 10 B4-LD-W

10" (25cm) Subwoofer

209,00€
209,00€ 209,00€
incl. VAT , possibly plus shipping

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Highlights

  • Power 250W RMS, 500W Peak, impedance 4 Ohm, Ø50mm voice coil.
  • Polypropylene cone, UV-resistant, FEM-optimized mobile devices.
  • Aramid fiber spider, silicone insulation, high density flux ferrite magnet.
Seen more cheaply Personal Offer
brand: Hertz
Delivery time:
Available, in 3-8 days with you
Number:
Piece
Watt RMS:
250
Subwoofer Type:
ferrite
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209,00€
209,00€ 209,00€

Dive into the performance of Hertz's 10-inch HMS 10 B Marine Subwoofer. The subwoofer is specifically designed for applications with unlimited baffle to deliver the bass and punch that provides that certain extra in audio performance. With a FEM-optimized high-performance motor and a robust magnet group, this device offers perfect control even at high sound pressures. Furthermore, it is made from durable materials that can withstand the elements - it is resistant to UV rays, salt mist, vibrations, water spray, thermal shock, and dust. Additionally, the progressively designed aramid fiber spider offers high durability and consistent performance. It is undoubtedly a masterpiece of sound engineering that combines reliability and excellent audio quality.

Technical Data

  • Size mm 250
  • Load capacity - RMS W 250
  • Load capacity - Peak W 500
  • Impedance Ohm 4
  • Depth mm 191
  • single coil
  • Oscillating coil Ø 50mm
  • Magnet size B x T x H mm 140 x 60 x 30
  • Weight kg 5.1
  • High Density Flux Ferrite Magnet
  • Kegel polypropylene with UV inhibitors
  • Xmech mm ±19

Electro-Acoustic Specifications

  • D mm 210
  • Xmax mm 12.3
  • Re Ohm 2.1
  • Fs Hz 43
  • The mH 0.46
  • Vas I 30,46
  • Mms g 75.6
  • Cms mm/N 0.18
  • BL T*m 8.3
  • Qts 0.6
  • Qes 0.63
  • Qms 12.3
  • Spl dB 88.5

Physical Specifications

HMS 10 B

  • A 277 mm
  • B 230 mm
  • C 191 mm
  • D 145 mm
  • F 46 mm

Frequency response

HMS 10 B

housing

Sealed Box - Compact

HMS 10 B

HMS 10 B

Housing Data - Sealed Box

  • Vb l(cu.ft.) 50 (1.77)
  • Fb Hz 54
  • Qtc 1.05
  • B mm 440
  • H mm 440
  • T mm 365
  • Mounting Hole - M 230
  • Wood Thickness 19

Sheet Cutting List - Sealed Box

  • A mm 440 x 440 Quantity 2
  • B mm 440 x 327 Quantity 2
  • C mm 402 x 327 Quantity 2

Sealed Box - Performance

HMS 10 B

HMS 10 B

Housing Data - Sealed Box

  • Vb l(cu.ft.) 71 (2.51)
  • Fb Hz 51
  • Qtc 0.99
  • B mm 460
  • H mm 460
  • T mm 450
  • Mounting Hole - M 230
  • Wood Thickness 19

Sheet Cutting List - Sealed Box

  • A mm 460 x 460 Quantity 2
  • B mm 460 x 412 Quantity 2
  • C mm 422 x 412 Quantity 2

features

HMS 10 B

  • Developed and tested for the real application environment (UV, salt mist, vibrations, splashes, temperature shock, dust).
  • Langhub 50 mm voice coil subwoofer (2") for infinite baffle applications with polypropylene membrane with UV inhibitors and combined Santoprene surround.
  • Advanced aramid fiber spider with silicone-insulated connection wires, ensuring durability and consistent performance over time.
  • FEM-optimized mobile devices with high deflection, powered by a massive magnetic group encapsulated in an injection-molded marine-grade polymer basket.
  • Gold-plated, corrosion-resistant brass terminal connectors with silicone cap that protects the connection point of the connection wire.
The HMS 10 B4-LD-W subwoofer from Hertz is designed for an RMS power handling of 250 watts, while the peak power is an impressive 500 watts. These performance specifications allow the subwoofer to generate high sound pressures, ensuring excellent bass reproduction. The combination of a single coil design and a high-density ferrite magnet ensures perfect control and precise sound reproduction even under demanding conditions. Especially when used in open environments, it impresses with its efficiency and performance.
The HMS 10 B4-LD-W from Hertz is extremely resistant to various environmental influences thanks to its high-quality materials. It withstands UV rays, salt mist, vibrations, water spray, thermal shock, and dust. These resistances make it ideal for applications in marine environments where conventional speakers quickly reach their limits. The robust design ensures that the subwoofer maintains its functionality and sound quality even under extreme conditions, which is particularly beneficial for boat owners.
The HMS 10 B4-LD-W has compact dimensions of 250 mm in size and a depth of 191 mm, allowing for versatile installation. Its weight of 5.1 kg ensures that the unit remains stable in its position and thus operates with low resonance. Its robust housing, with dimensions of 440 x 440 mm and a wood thickness of 19 mm, additionally ensures that the generated sound remains free from cabinet resonances, while the polymer housing provides protection against the demands of the maritime environment.
The HMS 10 B4-LD-W subwoofer has the following Thiele-Small parameters: Its re-impedance is 2.1 ohms, while the resonance frequency (Fs) is at 43 Hz. The equivalent volume (Vas) is 30.46, which, in conjunction with an effective diameter (D) of 210 mm, allows for efficient deep bass reproduction. Its mechanical displacement (Xmax) is 12.3 mm. Other electromechanical values such as Qts of 0.6 and BL of 8.3 T*m ensure a balanced and powerful bass reproduction.
The HMS 10 B4-LD-W subwoofer is particularly suitable for sealed box applications. A volume of 50 liters (1.77 cu.ft.) is required for a compact enclosure with a resonance frequency (Fb) of 54 Hz. For larger enclosures, the recommended volume is 71 liters (2.51 cu.ft.) with a lower Fb of 51 Hz. This adaptability ensures optimal performance in varying space availability and sound preferences. The recommended wood thickness for the enclosure is 19 mm, and the specific panel cutting measures are provided in detail.
The Hertz HMS 10 B4-LD-W uses a combination of durable materials specifically designed for harsh conditions. The cone is made of polypropylene treated with UV inhibitors to minimize sun damage. The progressive aramid fiber spider, combined with silicone-insulated connection wires, ensures a long lifespan and consistent performance. The magnet is made of high-density ferrite, which, in conjunction with a polymer-encapsulated basket, ensures structural integrity even under the most demanding marine conditions.
The voice coil of the HMS 10 B4-LD-W from Hertz is designed as a single voice coil with a diameter of 50 mm. This design allows for handling significant output power while optimally controlling the movements of the cone. Its construction is FEM-optimized, meaning it has been designed using finite element methods to maximize efficiency and durability even at high sound pressure levels. The voice coil helps to maintain the structural integrity and sound fidelity of the subwoofer.
The HMS 10 B4-LD-W from Hertz features a number of special design characteristics, including a FEM-optimized mobile unit for high displacements and a massive magnetic group for improved performance. The injected basket is made of marine-grade polymer material that is both structurally stable and weather-resistant. Gold-plated brass connection terminals, which are corrosion-resistant and have a silicone cap, protect the connection point from environmental influences. All of these design elements contribute to the exceptional performance of the device.
Electro-acoustically, the HMS 10 B4-LD-W offers specified characteristics such as a total displacement (Xmech) of ±19 mm, a maximum mechanical displacement (Xmax) of 12.3 mm, and a sound pressure level (Spl) of 88.5 dB. Its inductance (Le) is 0.46 mH, while the moving mass (Mms) reaches 75.6 g. Dynamic parameters such as the compliance (Cms) of 0.18 mm/N and the mechanical quality (Qms) of 12.3 make the system efficient and well-suited to different bass requirements. The Qes value of 0.63 also supports a fine balance between electrical and acoustic efficiency.
When installing the HMS 10 B4-LD-W from Hertz, one should focus on the installation dimensions and the specific environment on board the boat. The subwoofer installation depth is 191 mm, and the mounting diameter is 277 mm. It is important that the mounting takes place in a suitable location that promotes air circulation and sound transmission. The enclosure should be built with a minimum volume of 50 liters depending on the desired sound profile. Secure mounting is essential to avoid unwanted vibrations and impairments in sound reproduction.

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

Product Specifications

Manufacturer

Hertz

Product type

10" (25cm) subwoofer

Features

  • Highlights

    • Power 250W RMS, 500W Peak, impedance 4 Ohm, Ø50mm voice coil.
    • Polypropylene cone, UV-resistant, FEM-optimized mobile devices.
    • Aramid fiber spider, silicone insulation, high density flux ferrite magnet.

  • Uvp

    209

weight

5.1 kg

Technical data

Watt RMS Load Capacity

250

configurators

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Your advantages with Masori

Buy the Hertz Marine Subwoofer HMS 10 B4-LD-W with 10-inch size and 250 watts RMS power

The Hertz HMS 10 B4-LD-W marine subwoofer, with its 10-inch size and 250-watt RMS power handling, offers the ideal solution for unrestricted, powerful bass applications. Thanks to its 4-ohm impedance, it's ideally suited for versatile systems and delivers an impressive frequency response in demanding environments. Buy this technical masterpiece online from Masori, secure the lowest price guarantee, and give your car hi-fi system the punch it deserves.

FEM-optimized high-performance mobility for excellent control at high sound pressure levels

The Hertz HMS 10 B4-LD-W marine subwoofer features FEM-optimized high-performance mobility, ensuring precise control even at intense sound pressure levels. This means the voice coil's mobility and operating parameters are maximized to achieve sonic clarity and power without compromising the subwoofer's structure. Without this optimization, sound dispersion could appear uncontrolled at high volumes.

Durability thanks to UV-resistant materials and robust construction

The Hertz subwoofer is resistant to UV rays, salt spray, vibrations, water spray, thermal shock, and dust, allowing for long-lasting use in marine environments. This durability ensures that audio performance is not compromised by external factors, which is often a risk with conventional models that lack these protective features.

Progressively designed aramid fiber spider for consistent performance

The subwoofer's advanced aramid fiber spider ensures smooth and consistent performance over time. Its silicone-insulated connecting wires provide strength and durability. This material choice enhances the subwoofer's ability to deliver consistent audio quality by reducing the risk of mechanical deformation or performance degradation.

Polypropylene membrane with UV inhibitors for infinite baffle applications

Thanks to its polypropylene cone, which is equipped with UV inhibitors, the subwoofer delivers consistent performance in a wide range of baffle applications. These properties make it a preferred choice for outdoor and marine applications, as the cone is resistant to degradation due to light and temperature influences.

Long-throw 50 mm voice coil woofer with 2-inch voice coils

The 50 mm voice coils provide exceptional excursion, which is responsible for powerful bass reproduction. A coil that's too small could limit excursion and result in reduced sound depth. This subwoofer utilizes the perfect balance between size and power to produce expressive and deep bass.

Magnetic flux ferrite and injected basket for maximum output

The use of high-density magnetic flux ferrite, enclosed in a marine-grade polymer basket, enhances the subwoofer's robustness while allowing for powerful diaphragm drive. A high-quality magnet ensures efficient conversion of electrical energy into sound, ensuring clean and clear reproduction even in demanding installations.

Gold-plated, corrosion-resistant brass terminals

The gold-plated terminal blocks are a premium component that protects against corrosion and enables low-loss signal transmission. This detailed design ensures a stable connection and reduces resistance at the connection points, which is crucial for maximizing audio performance.

Versatile enclosure options for the Hertz HMS 10 B4-LD-W subwoofer

The Hertz subwoofer is ideally designed for use in sealed enclosures and fits into a variety of enclosure sizes, ranging from compact versions to more comprehensive solutions. This flexible use allows you to optimize the subwoofer for your specific setup, unmatched by smaller or less flexible enclosure configurations.

Optimized installation options and installation service for more convenience

The subwoofer's dimensions and robust construction allow for easy integration into existing systems. If you need assistance with installation, Masori offers on-site installation in Frankfurt (Oder) . You can also use the expert support FAQ & Help for all technical inquiries to unlock the full potential of your subwoofer.

Thiele-Small parameters for precise adjustments in your car hi-fi system

The Hertz subwoofer's detailed Thiele-Small parameters provide precise information for perfectly tuning your audio setup. With a resonant frequency of 43 Hz and a Qts of 0.6, the subwoofer is ideal for a wide range of music genres. A Qts value above this mark could indicate less controlled bass resonance, while lower values ​​indicate more precise sound reproduction.

Excellent maximum excursion of ±12.3 mm for dynamic bass reproduction

The HMS 10 B offers an astonishing ±12.3 mm Xmax excursion, which causes no sound distortion even on power-hungry tracks. This specification means maximum movement without distortion and ensures that low frequencies can be reproduced with the highest dynamics and precision. A smaller excursion would limit the dynamic range and thus the overall performance. For more tips and tricks to optimize your car hi-fi experience, visit Masori’s audio blog .