The MP 165P.3 car audio woofers electro-acoustic parameters have been forged to give it the pure and solid sound of an authentic mid-bass, designed for high dynamic systems. The voice coil with a generous 14 mm height, has a nominal 3 Ω impedance in addition to an increased power handling. These features provide the ability to maximally exploit the power of the Hertz HCP and HDP amplifiers as well as all the 2 Ω stable electronics. The ferrite 95 mm diameter magnet enables a +/-4.5 mm voice coil linear excursion, ensuring utmost control at all times. The Boundary Free Surround moves a bigger amount of air, and the V-cone® profile improves the offaxis dispersion, the real in-car listening condition. The sophisticated aluminium alloy basket neutralizes the undesired vibrations.
| Nominal diameter | 165 mm (6.5 in) |
| Impedance | 4 Ohm |
| Power Handling - Peak | 200 W |
| Power Handling - Continuous | 100 W |
| Sensitivity | 94 dB |
| Frequency Response | 45 ÷ 4,5k Hz |
| Voice Coil Ø | 25 mm (1 in) |
| Magnet Material | HIGH DENSITY FLUX FERRITE |
| Magnet size D x d x h | 95 x 45 x 17 mm (3.74 x 1.77 x 0.67 in) |
| Cone Material | PRESSED PULP CONE WITH COTTON FIBERS |
| Xmax | 4.5 mm (0.18 in) |
| Xmech | 7.5 mm (0.3 in) |
| D | 132 mm (20.46 in) |
| Re | 2.6 Ohm |
| Fs | 75 Hz |
| Le | 0.28 mH |
| Vas | 8 l (0.283 ft) |
| Mms | 15.1 g (0.533 oz) |
| Cms | 0.3 mm/N |
| BL | 5.45 T•m |
| Qts | 0.56 |
| Qes | 0,63 |
| Qms | 5.2 |
| Spl | 94 dB |
| Mounting Depth | 64 mm |
| Grilles Included | No |
| Total Weight | 1.2 kg (2.646 lb) |
| Dimension A | 165 mm (6.5 in) |
| Dimension B | 141 mm (5.55 in) |
| Dimension C | 74.5 mm (2.93 in) |
| Dimension D | 64 mm (2.52 in) |
| Dimension E | 183.5 mm |
| Dimension F | 29 mm |
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1.PURE COPPER VOICE COIL: wound on a Polyamide former for high power handling combined with very low intermodulation distortion of vocals.
2.EXPONENTIAL V-CONE® PROFILE: geometrically optimized for utmost linearity and dispersion in the mid frequency range. (Logo VCone)
3.“BOUNDARY FREE” RUBBER SURROUND: for improved efficiency and wider mid-bass frequency. (Logo Boundary Free)
4.HIGH DENSITY FLUX FERRITE MAGNET: combined with very low carbon content iron plates, for low distortion at high power levels.
5.BASKET: low mounting depth, acoustically transparent aluminium alloy basket with elegant diamond cutting and featuring the aluminium Hertz logo.
The exponential profile gets very close to the perfect one, providing exceptional dispersion.
This technology provides the ability to achieve wider emission surface of the cone compared to speakers with same diameter; that way, the cone manages to move a bigger mass of air, so it produces more acoustic pressure.
This special surround is built from highly pure IIR butyl rubber, ensuring extraordinary thermal and mechanical linearity.
