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Hertz HMX 8-TW (B-Ware) 8" (20cm) Coaxial Speaker
Hertz HMX 8-TW (B-Ware) 8" (20cm) Coaxial Speaker
Technical Highlights
- 100 W RMS, 4 Ohm Impedanz, 200 W Peak, 45-25k Hz Frequenz.
- UV-beständige Polypropylen-Membran, Santoprene-Sicke.
- Aramidzentrierung, silikonisolierte Anschlussdrähte, langlebig.
- More technical details
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HMX 8-TW (B-Ware) by Hertz
B-stock due to damaged or incomplete original packaging, or minor cosmetic defects. The same warranty conditions apply to B-stock as to our A-stock. Product is technically flawless.
The HMX 8-TW is a high-performance 8-inch marine coaxial speaker provided by the renowned supplier Hertz. It is known for its above-average durability and consistent performance, driven by a massive magnet to deliver high, undistorted sound pressure. The Tweeter of this model is specifically optimized for off-axis operation, maximizing the sound pressure level. The UV-resistant polypropylene membrane, combined with a high-temperature and UV-resistant polymer, ensures additional protection against water, dust, and mud. Together with the HMX 8-TW, you get a device that perfectly combines quality and durability.
Technical data
- Size mm 200
- Power handling - RMS W 100
- Power handling - Peak W 200
- Impedance Ohm 4
- Depth mm 123
- Tweeter membrane mm 36
- Woofer voice coil Ø mm 32
- Tweeter voice coil Ø mm 20
- Frequency response Hz 45 - 25k
- Woofer magnet size B x T x H mm 90 x 40 x 20
- Tweeter magnet size B x H mm 19.7 x 3
- Weight of a speaker kg 1.66
- Woofer magnet high-density flux ferrite
- Tweeter magnet neodymium
- Membrane polypropylene with UV inhibitors
- Xmech mm ±8.5
Electro-acoustic specifications
- D mm 174
- Re Ohm 3.1
- Fs Hz 50
- Le mH 0.52
- Vas I 29.46
- Mms g 27.3
- Cms mm/N 0.37
- Bl T*m 6.6
- Qts 0.58
- Qes 0.61
- Qms 11
- Spl dB 91
Physical specifications

- A 225 mm
- B 180 mm
- C 123 mm
- D 91 mm
- F 32 mm
Frequency response

Features
- Designed and tested for real-world application environments (UV, salt mist, vibrations, splash water, temperature shock, dust).
- 1.4-inch neodymium magnet Tweeter with a PEI material dome combined with front plate and acoustic lens, optimized for best off-axis radiation and highest sound pressure level.
- Sound-transparent tone-on-tone Tweeter grille made of stainless steel, providing efficient high-frequency transmission, an attractive appearance, and rock-solid protection.
- Long-stroke 25 mm voice coil woofer finely tuned for infinite baffle applications with polypropylene membrane featuring UV inhibitors and molded Santoprene surround.
- Aramid fiber spider with silicone-insulated connection wires, ensuring durability and consistent performance over time.
- FEM-optimized mobile devices with high excursion, powered by a massive magnetic group encapsulated in a marine-grade injected polymer basket.
- Sealed built-in Crossover with resettable solid-state Tweeter protection circuit.
- Gold-plated corrosion-resistant terminals.
Frequently Asked Questions about HMX 8-TW (B-Ware)
What are the main features of the HMX 8-TW Marine Coaxial Speaker?
What are the main features of the HMX 8-TW Marine Coaxial Speaker?
How does the off-axis operation of the HMX 8-TW affect the sound?
How does the off-axis operation of the HMX 8-TW affect the sound?
What frequency ranges does the HMX 8-TW cover?
What frequency ranges does the HMX 8-TW cover?
What materials ensure the robustness of the HMX 8-TW?
What materials ensure the robustness of the HMX 8-TW?
What are the dimensions of the HMX 8-TW and how do they affect installation?
What are the dimensions of the HMX 8-TW and how do they affect installation?
What makes the magnet structure of the HMX 8-TW so effective?
What makes the magnet structure of the HMX 8-TW so effective?
How does the design of the HMX 8-TW contribute to its durability?
How does the design of the HMX 8-TW contribute to its durability?
What features does the tweeter of the HMX 8-TW have?
What features does the tweeter of the HMX 8-TW have?
What role does the voice coil play in the HMX 8-TW?
What role does the voice coil play in the HMX 8-TW?
How does the crossover of the HMX 8-TW contribute to the sound?
How does the crossover of the HMX 8-TW contribute to the sound?
Manufacturer information / responsible person
Manufacturer information / responsible person
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