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  3. HMX 8-C
Hertz HMX 8-C 8" (20cm) Coaxial Speaker
SKU:  HMX-8-C
EAN:  8018823126359

1 Review

100 Watt

HMX 8-C

SKU:  HMX-8-C
EAN:  8018823126359

1 Review

Technical Highlights

  • 100W RMS, 4 ohm impedance, 200W peak, 45-25k Hz frequency.
  • UV-resistant polypropylene membrane, Santoprene surround.
  • Aramid fiber spider, silicone insulated connecting wires, durable.
  • More technical details
€255,00
€255,00 €255,00
5% discount with credit card
inkl. VAT , possibly plus shipping
Delivery
May 25, - May 28,
x pair
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Hertz-HMX 8-C-8" (20cm) Koaxial-Lautsprecher-masori-kaufen
€255,00
€255,00 €255,00

HMX 8-C by Hertz

The HMX 8-C is an 8-inch (20 cm) coaxial speaker from Hertz with 4 Ohms, 100 W RMS, and 200 W Peak. Designed for infinite baffle applications with a long-throw woofer and 32 mm voice coil, polypropylene diaphragm with UV inhibitors, and molded Santoprene surround. Neodymium tweeter with PEI dome, front plate, and acoustic lens; tweeter voice coil 20 mm. Developed and tested for UV, salt mist, vibrations, splash water, temperature shock, and dust. Aramid fiber spider with silicone-insulated connection wires, FEM-optimized moving assembly, massive magnetic group, and injection-molded marine-grade polymer basket. Sealed integrated Crossover with resettable solid-state tweeter protection circuit and gold-plated corrosion-resistant terminals. Frequency response 45–25000 Hz, depth 123 mm, Xmech ±8.5 mm, weight 1.66 kg.

Features
  • 8-inch (20 cm) coaxial speaker
  • Designed for infinite baffle applications
  • Polypropylene diaphragm with UV inhibitors
  • Molded Santoprene surround
  • Neodymium tweeter with PEI dome, front plate, and acoustic lens
  • Sound-transparent stainless steel tweeter grille
  • Long-throw woofer with 32 mm voice coil
  • Aramid fiber spider with silicone-insulated connection wires
  • FEM-optimized moving assembly with high excursion
  • Massive magnetic group, encapsulated in injection-molded marine-grade polymer basket
  • Sealed built-in Crossover with resettable solid-state tweeter protection circuit
  • Gold-plated, corrosion-resistant terminals
  • Woofer magnet flux ferrite with high density
  • Tweeter magnet neodymium
  • Developed and tested for UV, salt mist, vibrations, splash water, temperature shock, and dust
Technical Specifications
  • Size 200 mm
  • Impedance 4 Ohms
  • Power handling RMS 100 W
  • Power handling Peak 200 W
  • Frequency response 45–25000 Hz
  • Depth 123 mm
  • Woofer voice coil Ø 32 mm
  • Tweeter voice coil Ø 20 mm
  • Woofer magnet size 90 × 40 × 20 mm
  • Tweeter magnet size 19.7 × 3 mm
  • Weight per speaker 1.66 kg
  • Xmech ±8.5 mm
  • D 174 mm
  • Re 3.1 Ohms
  • Fs 50 Hz
  • Le 0.52 mH
  • Vas 29.46 l
  • Mms 27.3 g
  • Cms 0.37 mm/N
  • Bl 6.6 T·m
  • Qts 0.58
  • Qes 0.61
  • Qms 11
  • Sound pressure 91 dB
  • Dimensions A 225 mm, B 180 mm, C 123 mm, D 91 mm, F 32 mm

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Frequently Asked Questions about HMX 8-C

What output power does the HMX 8-C speaker from Hertz offer?

The HMX 8-C from Hertz is a marine coaxial speaker that boasts a power handling of 100 Watts RMS and a peak power of 200 Watts. Designed for demanding environments, the 8-inch speaker delivers powerful and clear audio performance. The optimized acoustic lens of the tweeter ensures excellent off-axis radiation and increased sound pressure level. A combination of UV-resistant polypropylene cone and robust materials allows the speaker to withstand harsh elements like dust, water, and mud. This construction helps the HMX 8-C maintain its performance efficiency over a long period.

What is the frequency response of the HMX 8-C speaker?

The Hertz HMX 8-C covers a frequency range from 45 Hz to 25 kHz, ensuring a comprehensive audio dynamic that includes both deep bass and delicate highs. This frequency response is optimized for high-fidelity applications, with the 1.4-inch neodymium magnet tweeters featuring a PEI dome and front plate that deliver accentuated highs. Supported by the neutrally tuned polypropylene diaphragm with UV inhibitors and the Santoprene surround, the entire sound spectrum is covered. The coaxial design provides great performance that has been effectively tested in practice to meet the demands of a marine environment.

What distinguishes the tweeter of the HMX 8-C?

The tweeter of the HMX 8-C features high-quality technology: it uses a 1.4-inch neodymium magnet and a PEI dome. These are integrated into an optimized front plate equipped with an acoustic lens to enable exceptional sound pressure. This design ensures efficient off-axis radiation and thus outstanding sound quality even outside the central listening position. Supported by the acoustically transparent stainless steel grille, clear high-frequency reproduction is achieved. This results in precise and detailed high-frequency representation, ideal for demanding content.

Is the HMX 8-C speaker weather-resistant?

Yes, the HMX 8-C speaker is specifically designed for marine applications and has a high resistance to adverse environmental influences. The polypropylene cone with UV inhibitors protects the system from radiation damage, while the corrosion resistance is enhanced by gold-plated terminals. Sealed crossovers and the magnet encapsulated in a marine-quality injected polymer basket contribute to durability. The speaker confidently withstands the stresses of UV, salt mist, vibrations, splashes, as well as temperature and dust exposure, making it the ideal choice for demanding outdoor use.

How is the HMX 8-C installed in the vehicle?

Installing the HMX 8-C speaker requires precise adaptation to the vehicle's conditions, as it is designed for unlimited sound walls. With an outer diameter of 225 mm and a mounting hole of 180 mm, there must be sufficient space available. The installation depth is 123 mm, which requires enough room behind the mounting surface. The integrated crossover and corrosion-resistant connections facilitate the connection. Due to its weather-resistant properties, the speaker is ideal for use in open vehicles or in humid environments. However, before installation, one should ensure that the dimensions and environment meet the design requirements.

What impedance does the HMX 8-C speaker have?

The HMX 8-C speaker from Hertz has an impedance of 4 Ohms. This specific impedance is ideal for most modern amplifier setups, as it provides optimal performance and efficient energy use. Combined with a power handling of 100 Watts RMS, it enables robust and undistorted music playback. The impedance has a crucial impact on overall compatibility with various audio systems. Users should ensure that the connected amplifier has an output for 4 Ohms to fully utilize the speaker's power and avoid potential overload.

What materials are used in the HMX 8-C?

The HMX 8-C is made from a variety of high-quality materials. The cone is made of polypropylene and equipped with UV inhibitors to protect against sunlight, while the aramid fiber spider provides stability. The magnetic structure uses flux ferrite and neodymium for the woofer and tweeter, respectively. The connection wires are silicone insulated, which increases resistance to environmental influences. A sound-transparent stainless steel grille is also used as protection for the tweeter. This combination of durable and reliable materials ensures that the speaker delivers excellent performance even in demanding environments.

How do the Thiele-Small parameters affect the performance of the HMX 8-C?

The Thiele-Small parameters of the HMX 8-C, such as Vas, Mms, and Cms, significantly contribute to acoustic performance. Vas is 29.46 liters, which influences the size of the optimal enclosure. Mms is 27.3 g, describing the moving mass that affects sound. A Cms value of 0.37 mm/N determines the compliance of the diaphragm suspension. Qts of 0.58 results in a balanced mix between bass and midrange. These parameters optimize the design for excellent sound performance in an open baffle environment. It is advisable to consider this data to improve installation parameters and maximize sound performance.

What role does the magnet play in the HMX 8-C speaker?

The magnet in the HMX 8-C is an essential component for ensuring high-precision sound reproduction. A high-density ferrite is used in the woofer, while the tweeter relies on an efficient neodymium magnet. The specific selection of these magnets allows for balanced force and quick response. The size of the magnet influences control over the speaker diaphragm, contributing to clear bass precision and the overall power of the system. The separate magnet tuning for the woofer and tweeter maximizes the audio experience through precise frequency control.

What technical specifications guarantee the long lifespan of the HMX 8-C?

The durable performance of the HMX 8-C is due to robust manufacturing based on its technical specifications. With its aramid fiber cone and silicone-insulated connection wires that enable consistent performance, it withstands external stresses effortlessly. The encapsulated design and corrosion-resistant gold-plated terminals ensure reliability in a marine environment. The injected polymer basket in marine quality provides additional protection. Tested under conditions such as UV, splash water, and temperature shocks, it ensures that it remains effective even in extreme circumstances without losing sound quality. All these features make it a solid and long-lasting speaker.

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