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Hertz HMX 8-TC 8" (20cm) Coaxial Speaker
SKU:  HMX-8-TC
EAN:  8018823137522
100 Watt

HMX 8-TC

SKU:  HMX-8-TC
EAN:  8018823137522

Technical Highlights

  • 100W RMS, 4 ohm impedance, 200W peak, 45-25k Hz frequency.
  • UV-resistant polypropylene membrane, Santoprene surround.
  • Aramid centering, silicone insulated connecting wires, durable.
  • More technical details
00 d
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€249,00
-11% €279,00 €249,00
5% discount with prepayment
inkl. VAT , possibly plus shipping
Delivery
May 19, - May 22,
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Hertz-HMX 8-TC-8" (20cm) Koaxial-Lautsprecher-masori-kaufen
€249,00
€279,00 €249,00

HMX 8-TC by Hertz

HMX 8-TC is an 8-inch (20 cm) coaxial speaker from Hertz with 4 Ohms, 100 W RMS, 200 W Peak, a frequency response of 45–25,000 Hz, and 91 dB. The diaphragm is made of polypropylene with UV inhibitors and a molded Santoprene surround. A neodymium tweeter with a 36 mm PEI dome, front plate, and acoustic lens is designed for off-axis radiation. The woofer uses a 25 mm long-stroke voice coil, an aramid fiber spider, and silicone-insulated connection wires. A sealed built-in crossover with a resettable solid-state tweeter protection circuit and gold-plated, corrosion-resistant terminals are integrated. The drive system is FEM-optimized and encapsulated in a marine-grade injected polymer basket, complemented by a massive magnet group with high-density flux ferrite (woofer) and neodymium (tweeter). The depth is 123 mm, Xmech ±8.5 mm, and the weight per speaker is 1.66 kg, including specified magnet dimensions.

Features
  • 8-inch (20 cm) coaxial speaker
  • Impedance: 4 Ohms
  • RMS power: 100 W
  • Peak power: 200 W
  • Frequency response: 45–25,000 Hz
  • Neodymium tweeter with 36 mm PEI dome, front plate, and acoustic lens, optimized for off-axis radiation
  • Stainless steel tweeter grille in tone-on-tone design
  • 25 mm long-stroke voice coil in the woofer
  • Polypropylene diaphragm with UV inhibitors and molded Santoprene surround
  • Aramid fiber spider and silicone-insulated connection wires
  • FEM-optimized high-stroke system with a massive magnet group
  • Injected polymer basket in marine grade
  • Sealed built-in crossover with resettable solid-state tweeter protection circuit
  • Gold-plated, corrosion-resistant terminals
  • Developed and tested for UV, salt mist, vibrations, splash water, temperature shock, dust
Technical Specifications
  • Size: 200 mm
  • Depth: 123 mm
  • Tweeter diaphragm: 36 mm
  • Woofer voice coil: 32 mm
  • Tweeter voice coil: 20 mm
  • Frequency response: 45–25,000 Hz
  • Weight per speaker: 1.66 kg
  • Woofer magnet size (W x D x H): 90 x 40 x 20 mm
  • Tweeter magnet size (W x H): 19.7 x 3 mm
  • Woofer magnet: high-density flux ferrite
  • Tweeter magnet: neodymium
  • Diaphragm: polypropylene with UV inhibitors
  • Xmech: ±8.5 mm
  • D (electro-acoustic): 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
  • Sensitivity: 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-TC

What power does the HMX 8-TC Marine Speaker deliver?

The HMX 8-TC from Hertz offers an RMS power of 100 watts and can reach peak power of up to 200 watts. This power handling makes it an ideal companion for use in marine environments, where high sound quality is required under varying conditions. The speaker is equipped with a 32 mm voice coil, which, along with the high-quality polypropylene diaphragm, ensures precise sound reproduction. Stability and efficiency in power transfer are ensured by gold-plated, corrosion-resistant terminals that guarantee durability and long-lasting audio performance.

How is the frequency response of the HMX 8-TC speaker defined?

The HMX 8-TC from Hertz features a wide frequency response of 45 Hz to 25 kHz. This frequency range allows the speaker to reproduce both deep bass and high tones clearly and precisely. The use of neodymium magnets in the tweeter contributes to the clarity of the high frequencies, while the ferrite magnet of the woofer ensures that the lower frequency ranges are not compromised. This technical feature is supported by the perfectly tuned voice coil, which has been specifically designed for infinite baffle applications.

What special material features does the HMX 8-TC have?

The HMX 8-TC speaker is equipped with a polypropylene diaphragm that is protected by UV inhibitors, contributing to its durability in a marine environment. This construction guarantees resistance to damaging elements such as water, dust, and UV rays. The aramid fiber spider and silicone-insulated connection wires enhance mechanical stability and sound quality over extended periods. These high-quality materials are crucial for use in challenging environmental conditions, as encountered in marine settings.

What is the size of the HMX 8-TC speaker from Hertz?

The HMX 8-TC Marine Speaker from Hertz has a diameter of 200 mm, which is approximately 8 inches. The constructive dimensions also include a mounting depth of 123 mm. These generous dimensions allow for an extended sound pressure level and are beneficial for acoustic performance. When installing, it is important to consider the physical specifications to ensure a proper fit. The dimensions allow for integration into various installation locations, provided there is enough space for insertion.

What Thiele Small parameters does the HMX 8-TC offer?

The Thiele Small parameters of the HMX 8-TC include, among others, a Vas of 29.46 L, a total quality factor Qts of 0.58, and a mechanical quality factor Qms of 11. With a resonance frequency Fs of 50 Hz and a moving mass value Mms of 27.3 g, the speaker enables precise bass output. These parameters are essential for predicting the speaker's performance in various enclosure types and acoustic environments. The parameter Bl of 6.6 T*m represents the effectiveness of the interaction between the magnetic field and the voice coil and contributes to the efficiency of converting electrical energy into acoustic signals.

How is the HMX 8-TC speaker installed?

The HMX 8-TC from Hertz is preferably installed in locations exposed to a marine environment, with attention to secure mounting. It is important to position the speaker so that the 123 mm mounting depth and the 200 mm diameter are taken into account. The installation environment must also ensure access to the gold-plated terminals to enable a reliable connection of the speaker terminals. Using a dense mounting body, such as injected polymer, promotes protection against splashes and increases the overall lifespan of the installation.

What acoustic features distinguish the HMX 8-TC?

The HMX 8-TC from Hertz is optimized for its off-axis radiation, contributing to a superior sound pressure level. The 36 mm tweeter provides detailed high-frequency presence, while the 32 mm woofer with long-stroke capability delivers powerful bass. With an Xmech of ±8.5 mm, the speaker can handle large mechanical displacements without losing sound integrity. These acoustic features are particularly advantageous in open environments like boats, where it is important that the sound characteristics are not affected by the speaker's position relative to the listener.

How durable is the HMX 8-TC speaker in seawater environments?

The HMX 8-TC is specifically designed for marine use and is protected against water, UV radiation, temperature fluctuations, and corrosion due to its materials. The polypropylene membrane with UV inhibitors and the acoustic lens optimize protection against environmental influences, while the stainless steel tweeter grille provides resistance to salt mist. Gold-plated terminals prevent corrosion at the connection points. These technical features ensure that the HMX 8-TC offers a long lifespan and consistently high audio quality even in harsh, salty environments.

What comparisons exist with other speakers regarding sound pressure level?

With a sound pressure level of 91 dB, the HMX 8-TC from Hertz offers above-average performance output compared to other speakers of similar size and price range. This high SPL value (Sound Pressure Level) results from the combination of materials such as the neodymium magnet in the tweeter and the polypropylene membrane in the woofer. Maximizing sound efficiency is important in marine applications, where the speaker can be drowned out by ambient noises like wind and waves. Thus, the HMX 8-TC ensures that the sound remains clear and uncolored even at high volumes.

What is the significance of the impedance of the HMX 8-TC speaker?

The HMX 8-TC from Hertz has an impedance of 4 ohms. This impedance design allows the speaker to be efficiently operated with most amplifiers designed for 4-ohm speaker systems. A lower impedance means that the speaker draws more power at the same amplifier power level, which can lead to a more robust sound. Impedance is a critical specification feature that ensures the speaker is compatible with existing systems, thereby achieving the best possible performance without distortion or power loss.

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