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HMX 6.5-TW
Technical Highlights
- 75W RMS, 4 ohm impedance, 150W peak, 50-25k Hz frequency.
- UV-resistant polypropylene membrane, Santoprene rubber surround.
- Aramid centering, silicone insulated connecting wires, durable.
- More technical details
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HMX 6.5-TW by Hertz
HMX 6.5-TW is a 6.5 inch (16.5 cm) coaxial speaker from Hertz with 75 W RMS, 150 W Peak, 4 Ohm, and 89 dB SPL. The frequency response ranges from 50 to 25,000 Hz, the diameter is 165 mm, and the depth is 95.6 mm. A neodymium tweeter with a 36 mm PEI dome, front plate, and acoustic lens is designed for off-axis radiation, complemented by a sound-transparent stainless steel grille. The woofer uses a 25 mm voice coil, a polypropylene diaphragm with UV inhibitors, and a molded Santoprene surround, driven by a solid magnetic group with high-density flux ferrite. An aramid fiber spider with silicone-insulated connection wires, an injection-molded marine-grade polymer basket, a sealed built-in crossover with a resettable solid-state tweeter protection circuit, and gold-plated, corrosion-resistant terminals are integrated. Tested for UV, salt mist, vibrations, splash water, temperature shock, and dust. Xmech is ±6.65 mm, and the magnet sizes are 78.5 x 32 x 17 mm (woofer) and 19.7 x 3 mm (tweeter).
- 6.5 inch (16.5 cm) coaxial speaker
- Developed and tested for UV, salt mist, vibrations, splash water, temperature shock, dust
- Neodymium tweeter with a 36 mm PEI dome, front plate, and acoustic lens, optimized for off-axis radiation and high sound pressure level
- Sound-transparent tweeter grille made of stainless steel
- Long-stroke woofer with a 25 mm voice coil
- Polypropylene diaphragm with UV inhibitors and molded Santoprene surround
- Aramid fiber spider with silicone-insulated connection wires
- FEM-optimized mobile unit with high excursion and solid magnetic group
- Injection-molded marine-grade polymer basket
- Sealed built-in crossover with a resettable solid-state tweeter protection circuit
- Gold-plated, corrosion-resistant terminals
- Size 165 mm
- RMS power 75 W
- Peak power 150 W
- Impedance 4 Ohm
- Depth 95.6 mm
- Tweeter diaphragm 36 mm
- Woofer voice coil 25 mm
- Tweeter voice coil 20 mm
- Frequency response 50 – 25,000 Hz
- Woofer magnet size 78.5 x 32 x 17 mm
- Tweeter magnet size 19.7 x 3 mm
- Weight per speaker 1 kg
- Woofer magnet high-density flux ferrite
- Tweeter magnet neodymium
- Diaphragm polypropylene with UV inhibitors
- Xmech ±6.65 mm
- D 125 mm
- Re 3.5 Ohm
- Fs 65 Hz
- 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
- SPL 89 dB
- A 172.2 mm
- B 128 mm
- C 95.6 mm
- D 69 mm
- F 26.6 mm

