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Hertz HMX 8-LD-TW 8" (20cm) Coaxial Speaker
SKU:  HMX-8-LD-TW
EAN:  8018823137423

HMX 8-LD-TW

SKU:  HMX-8-LD-TW
EAN:  8018823137423

Technical Highlights

  • 100W RMS, 4 ohm impedance, 200W peak, 45-25k Hz frequency.
  • UV-resistant polypropylene membrane, Santoprene surround.
  • Integrated RGB LED, long lasting, high deflection.
  • More technical details
Normal price €309,00
Normal price €309,00 Selling price €309,00
5% discount with credit card
inkl. VAT , possibly plus shipping
Only a few left in stock (1 pieces available)
In stock
Jun 5, - Jun 6,
x pair
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HMX 8-LD-TW by Hertz

Hertz HMX 8-LD-TW is an 8-inch (20 cm) coaxial speaker in marine design with integrated RGB LED lighting. The construction features a UV-resistant polypropylene diaphragm with co-molded Santoprene rubber surround, as well as a basket and grille made from high-temperature and UV-resistant polymer. An acoustic system with a front plate and acoustic lens is designed for off-axis operation and high sound pressure levels. The tweeter operates with a 36 mm neodymium magnet and PEI dome, while the woofer has a 32 mm voice coil and flux ferrite magnet; Xmech is ±8.5 mm. The sealed, built-in crossover includes a resettable solid-state tweeter protection circuit, and the terminals are gold-plated and corrosion-resistant. Technical specifications include 100 W RMS, 200 W Peak, 4 Ohm, frequency response 45–25000 Hz, depth 123 mm, and a weight of 1.66 kg per speaker. The design includes an aramid fiber spider with silicone-insulated connection wires and a FEM-optimized drive system in an injection-molded polymer basket.

Features
  • 8-inch (20 cm) coaxial speaker
  • Marine design
  • Integrated RGB LED lighting
  • Acoustic system for off-axis optimization with front plate and acoustic lens
  • 36 mm neodymium tweeter with PEI dome
  • Long-stroke woofer with 25 mm voice coil
  • UV-resistant polypropylene diaphragm
  • Co-molded Santoprene rubber surround
  • Basket and grille made from high-temperature and UV-resistant polymer
  • Water, dust, and mud resistant
  • Aramid fiber spider with silicone-insulated connection wires
  • FEM-optimized drive system, massive magnetic group, injection-molded polymer basket
  • Sealed built-in crossover with resettable solid-state tweeter protection circuit
  • Gold-plated, corrosion-resistant terminals
Technical Data
  • Size 200 mm
  • Impedance 4 Ohm
  • Power handling RMS 100 W
  • Power handling Peak 200 W
  • Frequency response 45–25000 Hz
  • Depth 123 mm
  • Weight per speaker 1.66 kg
  • Tweeter diaphragm 36 mm
  • Tweeter voice coil Ø 20 mm
  • Tweeter magnet neodymium
  • Woofer voice coil Ø 32 mm
  • Woofer magnet size 90 x 40 x 20 mm
  • Woofer magnet flux ferrite with high density
  • Diaphragm polypropylene with UV inhibitors
  • Xmech ±8.5 mm
  • D 174 mm
  • Re 3.1 Ohm
  • 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
  • SPL 91 dB
  • 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-LD-TW


What are the dimensions of the HMX 8-LD-TW speaker from Hertz?

The HMX 8-LD-TW speaker has physical dimensions of A: 225 mm, B: 180 mm, C: 123 mm, and D: 91 mm. The diameter is 200 mm (8 inches). These dimensions must be considered before installation in the intended area to ensure an optimal fit. Additional specifications such as the installation depth of 123 mm are relevant to ensure that the speaker can be integrated into various marine setups or other installation locations. Since it is optimized for marine applications, the environment for installation must also be planned.

What power does the HMX 8-LD-TW offer?

The HMX 8-LD-TW from Hertz offers a robust RMS power of 100 W and a maximum peak power of 200 W. These high power values allow the speaker to deliver clear and distortion-free playback even at higher volumes. This is particularly beneficial for users who prefer a dynamic and powerful sound, for example, during a boat ride, where the environment can dampen the sound. The sound pressure level of 91 dB additionally ensures excellent sound reproduction.

How does the impedance of 4 ohms affect the performance of the HMX 8-LD-TW speaker?

The impedance of 4 ohms in the HMX 8-LD-TW speaker allows for a more effective flow of current from the amplifier to the speakers. This enables the speaker to achieve higher power values and thus provides better sound transmission and output. The Re value of 3.1 ohms supports this efficiency. Generally, such a low impedance is preferred in applications where powerful and volume-effective sound output is required. Especially with modern amplifiers, the compact impedance design comes into play and optimizes the entire audio setup.

What are the frequency response specifications of the HMX 8-LD-TW?

The Hertz HMX 8-LD-TW speaker covers a frequency range from 45 Hz to 25 kHz. This allows for deep bass reproduction and clear high-frequency resolution, which is significant in any musical application. With this frequency range, it can reproduce both powerful bass lines and fine highs clearly, making it ideal for demanding environments. The Thiele Small parameter Fs of 50 Hz indicates a low-frequency emphasis, while values like Mms of 27.3 g point to its mechanical properties in sound reproduction.

What are the advantages of the built-in elastic system?

The audio-specific elastic system of the HMX 8-LD-TW maximizes off-axis performance by enabling a homogeneous sound distribution even outside the axis range. This is particularly beneficial when the speaker is installed in open spaces, such as on boats. The Santoprene rubber surround contributes to a clean, distortion-free sound by stabilizing the diaphragm. Combined with the polypropylene-reinforced diaphragm area, an optimized sound image is created, which proves particularly effective in variable weather conditions. Durable aramid centrifuges also ensure consistency and constant acoustic output.

How is the HMX 8-LD-TW protected against environmental influences?

The HMX 8-LD-TW is protected against various environmental influences through the use of high-temperature and UV-resistant materials. The polypropylene diaphragm with UV inhibitors and the robust basket and grille construction made of polymer-reinforced material ensure durability against salt mist, dust, and splashes. The silicone-insulated connection wires provide additional protection against corrosion, while the sealed crossover area preserves the electrical components from moisture. These features ensure high durability of the product in marine environments and under varying weather conditions.

What special features does the RGB LED lighting of the HMX 8-LD-TW offer?

The integrated RGB LED lighting of the HMX 8-LD-TW not only opens up a visual but also a functional dimension. In conjunction with the HM RGB 1 BK accessory, users can individually adjust the light color or even create light effects that align with the tempo of the music. This visual customization is ideal for nighttime outings or parties, where the atmosphere is crucial. Resistance to environmental influences such as vibrations and water splashes contributes to the functionality of the lighting, allowing it to be used without compromise in marine environments.

What are the technical features of the Tweeter in the HMX 8-LD-TW?

The Tweeter of the HMX 8-LD-TW is a 1.4-inch neodymium magnet tweeter with a PEI diaphragm. This composition allows for optimized off-axis radiation. The construction with a front plate and acoustic lens ensures a high sound pressure level and a transparent sound transmission in the high-frequency range. The neodymium magnetic core provides strong magnetic force in a compact area, ideal for the premium speaker segment. A stainless steel tweeter grille protects the high-tech internal components while promoting pure sound transmission.

How does the Crossover of the HMX 8-LD-TW contribute to sound quality?

The integrated Crossover in the HMX 8-LD-TW is sealed and combined with a resettable solid-state tweeter protection circuit. This design ensures that audio frequencies are efficiently directed to the correct speaker components, keeping the overall sound precise and balanced. The protection circuit safeguards the tweeters from unexpected peaks, ensuring long-lasting use. At high volumes or intense musical movements, a system activates that ensures the overall integrity of the frequency distribution.

What are the special material advantages of the HMX 8-LD-TW?

The Hertz HMX 8-LD-TW uses durable materials such as UV-resistant polypropylene for the diaphragm and Santoprene for the rubber surround to achieve excellent flexibility and resistance to environmental influences. Aramid fiber weaves increase structural stability, and the silicone-insulated wires protect against moisture. Such material choices guarantee a long lifespan even under challenging conditions. High-temperature resistant polymers in the basket and grille further secure the speaker, making it ideal for intense marine applications.

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