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HMX 6.5-TC
Technical Highlights
- 75W RMS, 4 Ohm impedance, 50-25k Hz frequency response.
- UV-resistant membrane, Santoprene surround, durable.
- Neodymium tweeter, massive magnet, high sound output.
- More technical details
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HMX 6.5-TC by Hertz
HMX 6.5-TC by Hertz is a 16.5 cm marine coaxial speaker with 75 W RMS, 150 W Peak, and 4 Ohm. The frequency response ranges from 50–25,000 Hz, with an efficiency of 89 dB. The construction includes a polypropylene diaphragm with UV inhibitors, Santoprene surround, and an aramid fiber spider with silicone-insulated connection wires. The neodymium tweeter with PEI dome and 36 mm diaphragm works with a front plate and acoustic lens, optimized for off-axis radiation and high sound pressure levels. The voice coil of the woofer measures 25 mm, while the tweeter's voice coil is 20 mm, with Xmech at ±6.65 mm. Driven by a solid magnetic group and FEM-optimized high excursion in a marine-grade injected polymer basket. Sealed built-in crossover with resettable solid-state tweeter protection circuit and gold-plated, corrosion-resistant terminals. Dimensions are 165 mm and a depth of 95.6 mm, weight 1 kg.
- 6.5 inch coaxial speaker
- Marine version
- Size 165 mm
- Power handling RMS 75 W
- Power handling Peak 150 W
- Impedance 4 Ohm
- Frequency response 50–25,000 Hz
- Depth 95.6 mm
- Tweeter diaphragm 36 mm PEI dome
- Woofer voice coil 25 mm
- Tweeter voice coil 20 mm
- Diaphragm polypropylene with UV inhibitors
- Santoprene surround
- Tweeter magnet neodymium
- Woofer magnet flux ferrite with high density
- Sound-transparent tweeter grille made of stainless steel
- Front plate and acoustic lens, optimized for off-axis radiation and high sound pressure levels
- Aramid fiber spider with silicone-insulated connection wires
- FEM-optimized drive with high excursion
- Solid magnetic group in marine-grade injected polymer basket
- 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
- Effective diameter D 125 mm
- Installation depth 95.6 mm
- Fs 65 Hz
- Re 3.5 Ohm
- Le 0.53 mH
- Vas 8.8 l
- Mms 14 g
- Cms 0.4 mm/N
- Bl 5.2 T*m
- Qts 0.7
- Qes 0.75
- Qms 11.5
- Efficiency 89 dB
- Xmech ±6.65 mm
- Woofer magnet size 78.5 x 32 x 17 mm
- Tweeter magnet size 19.7 x 3 mm
- Dimensions A 172.2 mm, B 128 mm, C 95.6 mm, D 69 mm, F 26.6 mm
- Speaker weight 1 kg

