Hertz ML16503

Description

During these past few years the Mille line car audio woofers have been the choice of many enthusiasts looking for extreme performance; with ML 1650.3 Legend the Hertz designers increased again the limits of achievable performance for components designed for door installation. To get to these results, the R&D staff performed extensive in-car voicing sessions, after building several prototypes with the FEA simulation method and testing them with a wide array of measurements carried out with the Klippel® suite. To ensure extraordinary power handling and very high thermal stability even with tracks especially rich of bass frequencies, ML 1650.3 Legend features a 36 mm mobile voice coil. This size ensures the best compromise between power handling and high frequency response. The cone geometry has been subject of in-depth studies with FEA simulations and measurements performed with the Klippel Scan Vibrometer; all that led to the optimization of the V-cone® profile. In the subwoofers and in the woofers, to reproduce the lowest frequency spectrum, the cone needs to move a remarkable amount of air, so it is forced to make long excursions moving like a piston does. The V-cone® profile prevents the cone from deforming during its course, ensuring that the “piston” works in a correct position, maximizing the production of acoustic pressure.
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SPECS
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FEATURES
TECHNOLOGIES
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AWARDS/PRESS
Component Woofer
Size mm (in.) 165 (6.5)
Power Handling – Continuous W 125
Power Handling – Peak W 250
Impedance Ohm 4
Voice Coil Ø 36 (1.4)
Frequency Response Hz 40 – 6.5k
Magnet size D x d x h mm (in.) 80 x 45 x 5 (3.15 x 1.77 x 0.2)
Weight of one speaker kg (lb.) 1,29 (2.84)
Magnet Neodymium
Cone Pressed-pulp cone with cotton fibres
Xmech mm (in.) ±9 (0.35)
Technical Specs
D mm 132
Re Ohm 3,3
Fs Hz 65
Le mH 0,24
Vas I 8,3
Mms g 17,5
Cms mm/N 0,3
BL T*m 7
Qts 0,52
Qes 0,52
Qms 5,3
Spl dB 93
Electro-acoustic Specs
Physical Specs
A 165 mm 6.5 in.
B 141 mm 5.55 in.
C 80 mm 3.15 in.
D 69 mm 2.71 in.
E 170 mm 6.7 in.
F 26 mm 1.02 in.
Frequency response
ML 1650.3 LEGEND