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Hertz HMX 8-LD-TC 8" (20cm) Coaxial Speaker
SKU:  HMX-8-LD-TC
EAN:  8018823137430

HMX 8-LD-TC

SKU:  HMX-8-LD-TC
EAN:  8018823137430

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
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Normal price €279,00
Normal price -10% €309,00 Selling price €279,00
5% discount with prepayment
inkl. VAT , possibly plus shipping
Delivery
May 19, - May 22,
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Normal price €279,00
Normal price €309,00 Selling price €279,00

HMX 8-LD-TC by Hertz

HMX 8-LD-TC is an 8 inch 20 cm coaxial speaker from Hertz with integrated RGB LED lighting. The construction includes a UV-resistant polypropylene membrane with UV inhibitors and a co-molded Santoprene surround. A neodymium magnet tweeter with PEI dome and a sound-transparent tweeter grille made of stainless steel are integrated. The power handling is 100 W RMS and 200 W peak at 4 Ohm, the frequency response is 45 Hz to 25 kHz, and the SPL is 91 dB. Xmech is ±8.5 mm, the depth is 123 mm, the tweeter membrane is 36 mm, and the voice coils measure 32 mm for the woofer and 20 mm for the tweeter. The basket is made of high-temperature and UV-resistant polymer, the crossover is sealed and equipped with a resettable protection circuit, and the terminals are gold-plated and corrosion-resistant.

Features
  • 8 inch 20 cm coaxial speaker
  • Integrated RGB LED lighting, compatible with HM RGB 1 BK
  • Polypropylene membrane with UV inhibitors
  • Co-molded Santoprene surround
  • Neodymium tweeter with PEI dome
  • Sound-transparent tweeter grille made of stainless steel
  • Basket made of high-temperature and UV-resistant polymer
  • Sealed integrated crossover with resettable solid-state tweeter protection circuit
  • Gold-plated, corrosion-resistant terminals
  • Aramid fiber spider with silicone insulated connection wires
  • FEM-optimized moving unit with high excursion
  • Developed and tested for UV, salt mist, vibrations, splash water, temperature shock, dust
Technical specifications
  • Size 200 mm
  • Power handling RMS 100 W
  • Power handling peak 200 W
  • Impedance 4 Ohm
  • Depth 123 mm
  • Tweeter membrane 36 mm
  • Woofer voice coil 32 mm
  • Tweeter voice coil 20 mm
  • Frequency response 45 Hz – 25 kHz
  • Woofer magnet size 90 x 40 x 20 mm
  • Tweeter magnet size 19.7 x 3 mm
  • Weight per speaker 1.66 kg
  • Woofer magnet flux ferrite with high density
  • Tweeter magnet neodymium
  • Membrane 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-TC


What is the RMS power of the HMX 8-LD-TC marine coaxial speaker?

The HMX 8-LD-TC from Hertz has an RMS power handling of 100 W. This power rating indicates that the speaker can continuously handle a power of 100 watts without sustaining damage. A high RMS power is particularly important when operating the speaker at high volumes for extended periods. The robust speaker materials, including the large 32 mm bass voice coil and the 20 mm tweeter voice coil, contribute to the speaker's ability to efficiently and durably handle high power. This is ideal for demanding use in marine environments, where durability is a requirement.

What are the dimensions of the HMX 8-LD-TC speaker?

The HMX 8-LD-TC marine coaxial speaker from Hertz has specific dimensions that facilitate its integration into various environments. The overall size of the speaker is 200 mm, making it suitable for an 8-inch cutout. The mounting depth is specified at 123 mm, allowing it to fit in narrower enclosures. The outer diameter (A) is 225 mm, while the cutout diameter (B) is 180 mm. These precise measurements are crucial for an optimal fit and easy integration into existing installation situations, especially in the confined space of a boat.

What type of diaphragm material is used in the HMX 8-LD-TC?

The diaphragm of the HMX 8-LD-TC speaker is made of polypropylene, which has been enhanced with UV inhibitors. This material choice ensures that the speaker is both waterproof and resistant to UV radiation. Polypropylene offers excellent acoustics and durability, making it ideal for outdoor use where weather influences are a factor. This type of diaphragm is particularly resistant to harsh environmental conditions such as salt mist and temperature fluctuations, which is why it is preferred in marine applications to ensure clear and undistorted sound.

How does the RGB LED lighting work in the HMX 8-LD-TC?

The Hertz HMX 8-LD-TC speaker is equipped with integrated RGB LED lighting that creates a variety of visual effects. These LEDs are seamlessly integrated into the speaker design and can be controlled via the Hertz HM RGB 1 BK radio frequency remote control. With this remote, not only can the colors be individually adjusted, but light shows can also be created that respond to the tempo of the music. The RGB LEDs are perfect for creating atmospheric lighting effects that provide an impressive complement to the music both at night and during the day.

What material is used for the tweeter diaphragm in the HMX 8-LD-TC?

The tweeter diaphragm of the HMX 8-LD-TC is made of polyetherimide (PEI). This material is known for its high strength and concept stability, which have been specifically optimized for marine applications. Together with the 1.4-inch neodymium magnet tweeter, the PEI ensures excellent off-axis radiation and a high sound pressure level, allowing for clear and clean sound reproduction over a wide frequency range of 45 Hz to 25 kHz. These features ensure that the HMX 8-LD-TC is capable of delivering outstanding performance at both high and low frequencies, even when not directly aimed at the listening position.

What are the acoustic specifications of the HMX 8-LD-TC?

The Hertz HMX 8-LD-TC impresses with a variety of electromechanical and acoustic parameters. The sound pressure level (SPL) is 91 dB, indicating high efficiency and enabling powerful sound even at lower amplifier power levels. The frequency response ranges from 45 Hz to 25 kHz, ensuring a full range of acoustic details. Other specific parameters include Re at 3.1 ohms, Fs at 50 Hz, and Vas at 29.46 liters. These parameters help to optimally configure the speaker for ideal adjustment in various acoustic systems.

What materials are used to make the HMX 8-LD-TC weatherproof?

The Hertz HMX 8-LD-TC employs a variety of materials to ensure weather resistance. The polypropylene diaphragm with UV inhibitors ensures that the speaker does not discolor or become brittle even under strong sunlight. The speaker basket is made of an injection-molded marine-grade polymer that is resistant to salt mist, vibrations, and splashes. The gold-plated corrosion-resistant terminals ensure secure signal transmission even in damp conditions. This choice of materials ensures that the speaker meets the demands of challenging and variable outdoor and marine use.

What advantages does the subwoofer of the HMX 8-LD-TC offer?

The subwoofer of the HMX 8-LD-TC provides highly efficient bass reproduction thanks to its polypropylene diaphragm with UV inhibitors and the 25 mm voice coil. The magnet of the subwoofer is made from high-density flux ferrite, which, along with the large voice coil, ensures powerful, low-distortion bass. This combination results in high output power with minimal distortion, even at extreme excursions. The robust Santoprene surround and the aramid-reinforced spider contribute to the durability and consistent performance of the subwoofer, making it an ideal choice for consistent, dynamic bass reflections.

How does the neodymium magnet in the tweeter magnets affect the sound quality of the HMX 8-LD-TC?

The neodymium magnet in the tweeter magnets of the HMX 8-LD-TC offers excellent efficiency and high magnetic flux density, significantly contributing to sound quality. Neodymium is a strong magnetic material that allows for high output power without being excessively large. This gives the speaker the ability to reproduce clear and precise high frequencies with minimal distortion. Additionally, the design with PEI material dome and acoustic lens ensures that off-axis sounds are reproduced with lower distortion and precise detail, even in acoustically challenging environments like a boat.

What technical protection mechanisms does the HMX 8-LD-TC have?

The HMX 8-LD-TC is equipped with a sealed built-in crossover that features a resettable solid-state tweeter protection circuit. This circuit prevents overload and damage to the tweeter by automatically stopping the current flow when critical load is exceeded to avoid damage. Furthermore, silicone-insulated connection wires provide additional mechanical protection and enhance durability. These technical measures ensure stable and consistent performance, which is particularly beneficial under demanding operating conditions typically encountered in marine use.

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