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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.
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.
|Size mm (in.)||165 (6.5)|
|Power Handling - Peak W||250|
|Power Handling - Continuous W||125|
|Frequency response Hz||40 - 6.5k|
|Sensitivity dB SPL||93|
|Voice coil Ø mm (in.)||36 (1.4)|
|Cone/Dome||Pressed-pulp cone with cotton fibres|
|Peak Power Rating (Watts)||250|
|Rms Power Handling||125|