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Hertz

HMX 6.5-LD

6.5" (16.5cm) Coaxial Speaker

Normal price 219,00€
Normal price 219,00€ selling price 219,00€
incl. VAT , possibly plus shipping

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Highlights

  • 75W RMS, 4 Ohm impedance, 50-25k Hz frequency response.
  • RGB LED, UV-resistant membrane, neodymium tweeter.
  • 25mm voice coil, polypropylene, Santoprene surround.
Seen more cheaply Personal Offer
brand: Hertz
Delivery time:
Available, in 3-8 days with you
Number:
Couple
Watt RMS:
75
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Normal price 219,00€
Normal price 219,00€ selling price 219,00€

Meet the HMX 6.5-LD, a 6.5" (16.5cm) marine coaxial speaker from the premium audio manufacturer Hertz. This high-performance speaker with RGB LED lighting option not only optimizes sound output but also delivers solid bass and excellent output. An acoustic lens and an attractive stainless steel tweeter grille ensure optimal sound distribution and great protection. The UV-resistant polypropylene cone construction and aramid fiber spider guarantee long life and consistent performance. With a solid magnet group that provides high, undistorted sound pressure, the HMX 6.5-LD sets new standards for sound quality and performance.

Technical Data

  • Size mm 165
  • Load capacity - RMS W 75
  • Load capacity - Peak W 150
  • Impedance Ohm 4
  • Depth mm 95.6
  • Subwoofer voice coil Ø mm 25
  • Tweeter voice coil Ø mm 20
  • Frequency response Hz 50 - 25k
  • Subwoofer magnet size B x T x H mm 78.5 x 32 x 17
  • High-tone speaker magnet size B x H mm 19.7 x 3
  • Weight of a speaker kg 1
  • Subwoofer magnet flux ferrite with high density
  • Tweeter Magnet Neodymium
  • Polypropylene membrane with UV inhibitors
  • Xmech mm ±6.65

Electro-Acoustic Specifications

  • D mm 125
  • Re Ohm 3.5
  • Fs Hz 65
  • The mH 0.53
  • Vas I 8,8
  • Mms g 14
  • Cms mm/N 0.4
  • Bl T*m 5,2
  • Qts 0.7
  • Qes 0.75
  • Qms 11.5
  • Spl dB 89

Physical Specifications

HMX 6.5-LD

  • A 172.2 mm
  • B 128 mm
  • C 95.6 mm
  • D 69 mm
  • F 26.6 mm

Frequency response

HMX 6.5-LD

accessories

HM RGB 1 BK

HMX 6.5-LD

  • Radio frequency remote control with a variety of functions, such as selecting the color that matches your boat, to creating a light show that responds to the tempo of the music.

Features

HMX 6.5-LD

  • Integrated RGB LED lighting to enhance your experience in combination with the HM RGB 1 BK accessory.
  • Developed and tested for the real application environment (UV, salt mist, vibrations, splashes, temperature shock, dust).
  • 1.4-inch neodymium magnet tweeter with a PEI material dome in combination with front plate and acoustic lens, optimized for best off-axis radiation and highest sound pressure level.
  • Sound-transparent high-frequency grille made of stainless steel, providing efficient high-frequency transmission, an attractive appearance, and rock-solid protection.
  • Langhub 25 mm vibrating coil subwoofer (1") finely tuned for infinite baffle applications with polypropylene membrane with UV inhibitors and co-molded Santoprene surround.
  • Aramid fiber spider with silicone insulated connection wires, ensuring durability and consistent performance over time.
  • FEM-optimized mobile devices with high displacement, powered by a massive magnetic group encapsulated in a marine-grade polymer injection-molded basket.
  • Sealed built-in crossover with resettable solid-state tweeter protection circuit.
  • Gold-plated corrosion-resistant terminals.
The Hertz HMX 6.5-LD features an RMS power of 75 W and a peak power of 150 W. With an impedance value of 4 Ohms and a sound pressure level of 89 dB, it achieves remarkable sound intensity. The frequency range extends from 50 Hz to 25 kHz, capturing a wide range of sounds. Thanks to the solid magnet group, consisting of a flux ferrite for the woofer and a neodymium magnet for the tweeter, it ensures high performance with distortion-free sound.
The HMX 6.5-LD is specifically designed for the challenges of marine environments. The speaker features a UV-resistant polypropylene diaphragm with co-molded Santoprene surround, making it durable. The aramid fiber spider ensures reliability even under the influences of salt mist, splashes, or temperature fluctuations. The encapsulated FEM-optimized mobile units combined with the isolated crossover expand the application possibilities even in vibrations or dust, without compromising sound quality.
The woofer of the Hertz HMX 6.5-LD is equipped with a 25-mm voice coil that is tuned for long strokes and is supported by an optimized aramid fiber spider. The tweeter unit has a 20-mm voice coil made of neodymium material, aimed at precise high-frequency reproduction. These voice coils significantly contribute to sound precision by precisely controlling the movement of the speaker membranes, thereby preventing distortion.
The Hertz HMX 6.5-LD is constructed using a polypropylene membrane that has been treated with UV inhibitors to minimize the impact of sunlight. To reinforce it, an aramid fiber spider and a stainless steel grille are used to enhance durability against environmental influences such as salt mist and splash water. These materials are specifically chosen to maximize the lifespan of the speaker and ensure its performance even under extreme conditions.
The HMX 6.5-LD offers integrated RGB LED lighting options that create visual effects in the sound environment and can be configured with the separately available HM RGB 1 BK remote control. These lighting options allow for adjustments in light color and intensity that can sync with the music, creating a dynamic atmosphere on board a boat. This feature not only enhances aesthetic appeal but also complements the emotional experience of listening to music.
For the installation of the HMX 6.5-LD, attention must be paid to the dimensions: With a diameter of 165 mm and a depth of 95.6 mm, it fits into many standard speaker openings. The specific installation depth allows for a variety of mounting options, whether in door panels or in special speaker cutouts. Ensure that the speaker terminals are well-ventilated to avoid heat buildup, and that all connections are kept away from water and moisture to prevent damage.
The HMX 6.5-LD is equipped with a extensively modified acoustic lens, which, together with the sound-transparent stainless steel grille, ensures optimal off-axis radiation. The frequency response of 50 Hz to 25 kHz ensures that deep basses are covered up to the highest frequencies. The minimal distortion value, combined with a high sensitive sound pressure level, results in clear, detailed sounds that are suitable for both classical and modern music.
The HMX 6.5-LD speaker from Hertz features a robust construction that can be integrated into many vehicles. Due to its standard size of 165 mm, compatibility with common car brands is given, provided that the door panels or dashboards offer sufficient space. However, due to the specific installation depth, it should be checked before installation whether additional adapters or mounting materials are necessary to ensure a cavity-free installation and to utilize the full performance potential.
The Hertz HMX 6.5-LD guarantees high sound pressure levels through the use of high-quality magnets and voice coils. The flux ferrite in the woofer and neodymium in the tweeter create a strong magnetic effect that precisely controls the movement of the voice coils. This results in excellent reproduction even at high levels. Supported by an acoustic lens and stainless steel grille, it ensures that the produced sound is evenly distributed and no frequencies are distorted, which provides clear sound.
The Hertz HMX 6.5-LD uses specific electroacoustic parameters to optimize sound. With a Vas of 8.8 I and a total quality factor (Qts) of 0.7, it delivers balanced resonance and harmony values. The resonance frequency (Fs) of 65 Hz minimizes distortion at low bass frequencies, while values such as Cms of 0.4 mm/N and Le of 0.53 mH emphasize efficiency. These values optimize the diaphragm displacement for clearly defined sounds across the entire frequency spectrum, thus ensuring precise 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

Features


  • Highlights

    • 75W RMS, 4 Ohm impedance, 50-25k Hz frequency response.
    • RGB LED, UV-resistant membrane, neodymium tweeter.
    • 25mm voice coil, polypropylene, Santoprene surround.
  • Uvp

    219

weight

1.0 kg

Technical data


Watt RMS Load Capacity

75

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Your advantages with Masori


Discover the technical highlights of the Hertz HMX 6.5-LD marine coaxial speaker

When you purchase the Hertz HMX 6.5-LD marine coaxial speaker, you can be assured of a sound solution that impresses with its technical finesse. This 6.5 speaker offers a power handling of 75 W RMS and peaks of up to 150 W, meaning you can rely on powerful and clear sound reproduction. The 4 ohm impedance ensures it integrates perfectly into your existing audio system. With a frequency response of 50 Hz to 25 kHz, the speaker delivers both rich bass and crystal-clear highs. Benefit from Masori's lowest price guarantee and buy online now at masori.de.

RGB LED lighting options for personalized lighting experience

One of the most outstanding features of the Hertz HMX 6.5-LD is undoubtedly the RGB LED lighting option, which comes into its own with the HM RGB 1 BK radio frequency remote control. This feature allows you to change the lighting color and create a customized light show that even adjusts to the music tempo. This not only adds to the visual appeal but also enhances your audio experience. Imagine your music resonating in sync with mesmerizing lighting effects.

Polypropylene membrane with UV inhibitors for extreme durability

The polypropylene cone combined with UV inhibitors is another technical highlight of this coaxial speaker. This choice of material ensures that the cone can withstand even extreme environmental conditions, such as UV radiation and salt spray. At 125 mm, the speaker is perfectly dimensioned to deliver impressive sound performance. Thanks to its robust construction, the sound quality remains consistent even after long periods of use.

Compact depth and sophisticated design for versatile installation

With a depth of just 95.6 mm, the Hertz HMX 6.5-LD loudspeaker fits perfectly in a wide variety of marine settings and integrates seamlessly. This compact design makes it an ideal choice for locations with limited space without compromising on sound quality. It adapts to a variety of installation situations, thus offering maximum mounting flexibility.

High-quality magnet group for high undistorted sound pressure

The massive magnet structure ensures increased sound pressure levels and minimizes distortion, even at high volumes. The woofer magnet is made of high-density flux ferrite, while the tweeter magnet is made of neodymium. This combination ensures precise sound reproduction across the entire frequency spectrum, which is especially important in noisy environments.

FEM optimization for maximum sound performance

FEM (Finite Element Method) optimization of the speaker's mobile components ensures that high excursions are achieved with maximum efficiency. This technical fine-tuning results in outstanding sound quality and enables nuances in sound details that only high-end speakers can offer. This sets the Hertz HMX 6.5-LD apart from many competing products in the marine audio system market.

Optimized sound distribution thanks to acoustic lens

The Hertz HMX 6.5-LD features a stainless steel acoustic lens and tweeter grille, which combine to maximize off-axis dispersion. These improvements result in even sound distribution throughout the room and provide excellent sound reproduction regardless of the listener's position. This is a crucial advantage, especially in the marine sector, where seating positions vary.

Gold-plated terminals for optimal signal path and reliability

The use of gold-plated terminals is another quality feature that demonstrates how seriously Hertz takes even the smallest details in this model. These terminals are corrosion-resistant, making them particularly suitable for use in marine environments where humidity and salt are a factor. They ensure lossless signal transmission, which is especially important during long deployments.

Integrated crossover for precise sound tuning

The Hertz HMX 6.5-LD is equipped with a built-in crossover network that ensures smooth and precise sound tuning. This ensures that the overall sound is optimally distributed between the woofers and tweeters. A resettable solid-state protection circuit for the tweeter ensures that it is protected from overload and delivers its long-term performance.

Aramid fiber spider and Santoprene bead for outstanding performance

An aramid fiber spider combined with a co-molded Santoprene surround promises not only durability but also consistent performance over long periods of time. These high-quality materials offer maximum flexibility and stability to ensure distortion-free sound even at high volumes. The combination of these components enables precise control of the diaphragm movement and contributes to sonic integrity.

The Hertz HMX 6.5-LD: Integration and support options

For seamless integration into your boat or marine system, Hertz, together with masori.de, offers optimal support. In addition to a detailed FAQ & Help section, comprehensive analyses are available in the audio blog . Furthermore, installations can be easily carried out on-site in Frankfurt (Oder) , ensuring maximum performance from the HMX 6.5-LD.