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Hertz

HMX 7.7 S-LD-G

8" (20cm) coaxial speaker

Normal price 309,00€
Normal price 309,00€ selling price 309,00€
incl. VAT , possibly plus shipping

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Highlights

  • 100W RMS, 4 ohm impedance, 200W peak, 45-25k Hz frequency.
  • ASA plastic, polypropylene cone, Santoprene surround.
  • Aramid fiber spider, silicone insulated connection cables, durable.
Seen more cheaply Personal Offer
brand: Hertz
Delivery time:
Available for delivery, with you in 2-5 days
Number:
Couple
Watt RMS:
100
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Normal price 309,00€
Normal price 309,00€ selling price 309,00€

Discover the HMX 7.7 S-LD-G from Hertz, a 7.7" coaxial speaker that perfectly matches the aesthetics of sporty boats with its paintable sport grille. This speaker is designed for the unique challenges of open waters and offers high durability thanks to its special ASA plastic and a polypropylene cone with Santoprene surround. The speaker delivers impressive audio data with a nominal power of 100 W and a peak power of 200 W at an impedance of 4 Ohms. The frequency range of 45 Hz to 25 kHz, combined with the Hi-end Led Coax, provides an exceptional sound experience. Additional materials, such as the aramid fiber spider and silicone-insulated connection cables, ensure consistent performance in marine environments. With a total weight of 1.66 kg and a mounting depth of 113 mm, it is ideally suited for user-friendly installations.

features

  • 196 (7.7) mm (in.)
  • 113 (4.4) mm (in.)
  • Hi-end Led Coax
  • 200 W
  • 4 Ohm

Technical Data

  • Diameter: 196 mm
  • Rated power: 100 W
  • Peak performance: 200 W
  • Impedance: 4 Ohm
  • Installation depth: 113 mm
  • Tweeter diameter: 36 mm
  • Woofer voice coil diameter: 32 mm
  • Tweeter coil diameter: 20 mm
  • Frequency range: 45 Hz to 25 kHz
  • Woofer magnet size: 90 x 40 x 20 mm
  • Tweeter magnet size: 19.7 x 3 mm
  • Weight: 1.66 kg
  • Woofer-Magnet: High-density Ferrite
  • Tweeter Magnet: Neodymium
  • Membrane material: polypropylene with UV inhibitors
  • Dome-Material: PEI
  • Mechanical deflection (Xmech): ±8.5 mm
  • Diameter: 146 mm
  • Maximum deflection (Xmax): 6 mm
  • Resistance (Re): 3.3 Ohm
  • Resonance frequency (Fs): 60 Hz
  • Inductance (Le): 0.56 mH
  • Equivalent Volume (Vas): 12.50 l
  • Mass of the membrane (Mms): 22 g
  • Compliance (Cms): 0.32 mm/N
  • Magnetic field strength (BL): 6 T*m
  • Total Quality (Qts): 0.72
  • Energy loss quality (Qes): 0.76
  • Mechanical Quality (Qms): 11.8
  • Sound Pressure Level (SPL): 91 dB
The HMX 7.7 S-LD-G speaker from Hertz has a nominal power of 100 watts and can achieve peak power of up to 200 watts. This power ensures that the speaker produces clear and powerful sounds even in demanding environments. The combination of a polypropylene cone with a Santoprene surround and a hi-end LED coax enhances the unique sound experience. This makes the speaker particularly well-suited for use on sporty boats, where it can fully showcase its performance specifications.
The HMX 7.7 S-LD-G speaker uses a range of high-quality materials that guarantee durability and reliability. The cone is made of polypropylene with UV inhibitors, while the surround is made of Santoprene. An aramid fiber spider contributes to stability in marine environments. The woofer utilizes a high-density ferrite magnet, and the tweeter is equipped with neodymium. The speaker grille is made of a special ASA plastic that ensures the structural integrity of the speaker in harsh conditions.
The HMX 7.7 S-LD-G speaker from Hertz covers an impressive frequency range of 45 Hz to 25 kHz. This allows for the reproduction of deep basses to the highest highs. The wide frequency range combined with a sound pressure level of 91 dB guarantees a detailed and dynamic listening experience. Especially optimized for use on boats, the speaker consistently delivers clear and balanced audio data in acoustically challenging environments.
Technical features of the HMX 7.7 S-LD-G include the polypropylene cone with Santoprene surround, a mechanical displacement (Xmech) of ±8.5 mm, and a mechanical quality (Qms) of 11.8. The HMX 7.7 has a tweeter diameter of 36 mm and a woofer voice coil diameter of 32 mm. With an overall diameter of 196 mm and a sound pressure level (SPL) of 91 dB, this speaker shines at sea. The Hi-end Led Coax rounds off its technical sophistication by producing a balanced sound image.
The installation depth of the HMX 7.7 S-LD-G speaker from Hertz is 113 mm. This dimension allows for flexible installation in various environments, particularly in marine navigation. The total weight of 1.66 kg further facilitates handling. When installing, note the necessary installation depth to ensure that the speaker fits flush and delivers full performance without compromising structural integrity and sound quality. Careful placement ensures the best sound enjoyment as well as reliable functionality.
The HMX 7.7 S-LD-G is a 7.7-inch speaker with a diameter of 196 mm and a mounting depth of 113 mm. The woofer has a voice coil diameter of 32 mm, while the tweeter has a voice coil diameter of 20 mm. The woofer magnet measures 90 x 40 x 20 mm and, along with its high density, provides the necessary power for clear audio output on the high seas. Overall, the compact dimensions are optimal for use on sporty boats, where space is often limited but high-quality sound is required.
The voice coil of the woofer in the HMX 7.7 S-LD-G features a diameter of 32 mm, providing both power and robustness. The tweeter has a 20 mm voice coil, which is combined with a neodymium magnet to ensure precise high-frequency reproduction. This clever design not only delivers high performance but also ensures that frequencies in the desired range of 45 Hz to 25 kHz are reproduced accurately and clearly, significantly enhancing the listening experience on a sporty boat.
The HMX 7.7 S-LD-G speaker is designed for 4 Ohm impedance, ensuring stable performance at both low and high frequencies. This impedance allows operation at a nominal power of 100 watts and a peak value of 200 watts. The speaker is ideally suited for use in marine areas, where consistent acoustic reproduction poses a challenge. By using components such as the aramid fiber spider and silicone-insulated cables, the performance remains constant and reliable.
The installation of the HMX 7.7 S-LD-G is characterized by its 113 mm installation depth and lightweight of 1.66 kg. These specifications facilitate mounting, especially on sporty boats, where space conditions are often challenging. The speaker should be mounted in a position where it is optimally aligned from the listening area and can fully utilize its potential for sound distribution. Also consider external factors such as sunlight exposure, as the cone made of polypropylene with UV inhibitors has been specifically optimized for such conditions.
The HMX 7.7 S-LD-G speaker from Hertz is specifically designed for use on boats and offers flexible aesthetic customization thanks to its robust ASA plastic housing and paintable sport grille. Notable are the dimensions, which include a mounting depth of 113 mm and a diameter of 196 mm. Compatibility with sporty boats is ensured by these universal dimensions, which facilitate installation even in limited space. For individual requirements, the grille can be painted in the desired style.

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

    • 100W RMS, 4 ohm impedance, 200W peak, 45-25k Hz frequency.
    • ASA plastic, polypropylene cone, Santoprene surround.
    • Aramid fiber spider, silicone insulated connection cables, durable.

weight

1.66 kg

Watt RMS Load Capacity

100

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Your advantages with Masori


Buy the Hertz HMX 7.7 S-LD-G coaxial speaker for top sound in the maritime environment online

Experience pure audio enjoyment with the Hertz HMX 7.7 S-LD-G. This 7.7-inch coaxial speaker offers an impressive 100 W rated power and a peak power handling of 200 W, ideal for demanding boating in extreme conditions. With an impedance of 4 ohms, it ensures efficient use of power, guaranteeing continuous sound performance. Take advantage of the Masori Lowest Price Guarantee to acquire this technical masterpiece at an unbeatable price. Its aesthetic sports grille can be painted to match your boat's individual look. Frequency coverage from 45 Hz to 25 kHz ensures crystal-clear sound in the high-end range. Buy online now at a great price and ensure the ultimate sound experience on the water.

Polypropylene cone and Santoprene surround of the Hertz coaxial speaker

The Hertz 7.7 coaxial speaker features a robust polypropylene cone with UV inhibitors. This special material combination offers protection against extreme sunlight and ensures longevity. The cone is complemented by a Santoprene surround, which ensures flexibility and stability at high and low frequencies. This accelerated rebound ensures smooth cone movement and contributes significantly to the richness of the sound. The use of this material minimizes energy loss and ensures more precise bass and clean highs.

The acoustic performance of the 4-ohm speaker on the high seas

With an impedance of 4 ohms, the Hertz HMX 7.7 S-LD-G delivers exceptionally efficient sound reproduction. Combined with its 200 W peak power, it maximizes energy transfer in an environment where the water surface provides additional low-frequency amplification. A higher or lower impedance could either reduce the power handling of the connected amplifiers or cause energy loss and distortion in the sound. This configuration is optimal for use on boats and delivers reliable sound even at high speeds.

Thiele-Small Parameters: Maximum performance and precision for maritime challenges

The Xmech mechanical excursion specification of ±8.5 mm and the maximum Xmax excursion of 6 mm provide the necessary freedom of movement for the diaphragm. This achieves effective reproduction of low frequencies, which in practice translates to deeper and fuller bass with minimal distortion. These values ​​represent essential elasticity, reducing the risk of mechanical constraints, allowing the speaker to remain acoustically stable even in the roughest seas. Compared to other models in this segment, which often have lower Xmax values, the Hertz claims to offer excellent sound reproduction even in extreme conditions.

Frequency response of the Hertz 7.7 coaxial speaker: The key to all-encompassing sound

The frequency response of 45 Hz to 25 kHz ensures an incredibly wide acoustic range. The low frequencies offer solid bass, while the high frequencies underline the sound with crystal clarity. This range often exceeds typical specifications in the car hi-fi sector, where many models start at around 60 Hz. The Hertz coaxial speaker thus excels in reproducing detail and depth, ensuring a truly audiophile experience on the water.

Impedance and rated power of the coaxial Hi-End system from Hertz

With a rated power of 100 W and an impedance of 4 ohms, the HMX 7.7 is ideal for maritime multimedia setups. These parameters enable harmonization through stable audio output and encourage extended listening pleasure. The low resistive load helps the amplifier operate more efficiently, which is particularly beneficial for long evenings of music at sea. The importance of the 4-ohm impedance in the context of other operating environments is essential to ultimately utilize the amplifier's performance optimally. This specific configuration delivers greater clarity in the mid- and high-frequency range than 8-ohm systems.

Special features: ASA plastic and aramid fiber spider for marine robustness

The speaker is constructed of ASA plastic, making it resistant to corrosion and harmful environmental influences. The aramid fiber spider provides additional resilience, ensuring consistent durability even under the most demanding mechanical conditions. The choice of these materials is a clear advantage in maritime environments, as they maintain structural integrity even under extreme climatic conditions. This design outperforms common alternatives, which often use low-strength plastics and are therefore more susceptible to damage of all kinds.

Magnetic components of the Hertz HMX 7.7 for an acoustic spectacle

A high-density ferrite magnet for the woofer and a powerful neodymium magnet in the tweeter form the essential foundation for sound transmission. These magnetic components maximize energy density, thus enabling lossless sound transmission. Ferrite offers the ideal balance of power and weight, while neodymium ensures acoustic precision in the high frequency range. The choice of these materials optimizes sensitivity to speaker movement and achieves clearer sound. The result is a sound output that acoustically captures harmony and dynamics.

Installation features: Installation depth and weight for flexible integrations

With a mounting depth of 113 mm and a weight of 1.66 kg, the Hertz HMX 7.7 allows for easy installation in all common on-board architectures. The slim design further enhances ease of installation and ensures minimal space requirements. Compared to competing models on the market, which are often heavier and require greater depth adjustment, Hertz offers flexibility for a wide range of setup conditions. The weight savings also minimizes power consumption without compromising acoustic performance.

Installation service and expert support from Masori for seamless application

Benefit from the wide range of services offered by Masori: Take advantage of our on-site installation in Frankfurt (Oder) to integrate the Hertz HMX 7.7 S-LD-G coaxial speaker into your boat. Whether you prefer a detailed installation service or additional expert support (FAQ & Help ), Masori is here to help. The extensive audio blog also offers a broad overview of everything you need to know for perfect sound. At Masori, you'll experience service that's as consistent as the sound of the HMX 7.7.