Hybrid Audio Legatia L8v2

Vendor: Hybrid Audio Technologies
The Hybrid Audio Legatia L8v2 is the ideal multi-purpose super high-end speaker driver. Mechanical and electrical parameters are amenable to a variety of different installations and speaker locations. This driver...
$ 449.99

$ 789.99

The Hybrid Audio Legatia L8v2 is the ideal multi-purpose super high-end speaker driver. Mechanical and electrical parameters are amenable to a variety of different installations and speaker locations. This driver is intended to be used in an infinite baffle configuration; a simple, solid baffle, solidly attached to the car’s chassis with available airspace at the rear of the baffle is all that is required for optimum operation. The size of the L8V2 allows it to be mounted in typical “8-inch” midbass locations within a vehicle, or in custom locations at the discretion of the end-user, as long as there is adequate airspace behind the driver to allow it to maintain proper damping and acoustic suspension. At home in virtually any arrangement, the L8V2 is Hybrid Audio Technologies Legatia high-end largeformat midrange/midbass offering, boasting exceptional performance and a design philosophy that goes hand in hand with true high-fidelity playback.

 The basket of the L8V2 is a shared design with the Legatia L8SE for easy upgrade potential; the L8V2 and L8SE are interchangeable in mounting topology. The L8V2 differs from the first-version L8 in that the basket geometry has been enhanced in the V2 model to a slightly larger outside diameter for greater clamping surface area (from 8.5-inch on the L8 to 8.85-inch on the L8V2); the mounting holes for each driver remain nearly identical however, with a difference of only 2mm (188mm verses 186mm). Provided enough outside mounting diameter difference can be obtained, the L8V2 will often fit into the first-generation L8’s mounting hole. The basket is a high-quality cast aluminum design, and contains a 225mm flange providing for the mounting of the driver via four screw holes (the use of 5mm cap head screws is ideal). The overall dimensions of the driver are very amenable for use in the car audio environment, and in locations Legatia User’s Manual ©Hybrid Audio Technologies Page 34 of 65 typical of the standard “8-inch” driver, or in custom locations at the discretion of the end-user, boasting a depth of 94mm (3.7-inch). The basket features large openings behind the cone to eliminate chuffing and other aerodynamic-based noises, as well as provides adequate communication to the back of the cone for acoustic suspension and proper operation. Motor The motor of the L8V2 is paramount to the performance of the driver, providing for a flat and wide BL curve (as a learning note, BL is the equivalent of torque in a car; a car with a flat and constant torque curve provides much better acceleration and performance than a car with a peaky, non-constant torque curve). The BL curve is flat and extended, yielding 18mm of two-way linear excursion, resulting in the L8V2 being able to accurately track the input signal. Reduced distortion and greater dynamics are the immediate sonic benefits. The motor of the L8V2 includes a high-energy strontium magnet with an opposing high-grade NdFeB magnet at the top of the magnetic gap to improve restorative force, compliance, motor strength, displacement, and power handling. The magnet assemblies fully surround the voice coil.

Voice Coil - The voice coil diameter of the Hybrid Audio Legatia L8v2 is a large 35.55mm (1.4-inch), which is the proper balance between size and moving mass in super high-end mobile audio midranges/midbass. The voice coil diameter serves several key functions: elevated power handling, dissipation of heat (thereby lowering power compression), and maximizing the size of the magnet assembly for enhanced motor compliance. The voice coil is high-purity aluminum, which is superior to copper for heat dissipation, as well as significantly reduced moving mass. The result is an extremely light weight winding with good power handling and low inductance. Suspension The inverted surround is butyl rubber which is highly consistent, and does not suffer the variance of natural rubbers. This rubber surround terminates mechanical vibrations well, having a low stiffness for positive damping of resonances well above the usable range of the L8V2. The spider material was chosen for optimal performance; the spider is a 90/10 cotton/Nomex blend with single-dip low viscosity phenolic. This material provides the stiffness desired without being overly brittle or stiff, where vibrations in the spider are well damped and do not translate into the former or the cone.

Cone - Like other Legatia midrange designs, you will find no composite or metal cone materials used on the L8V2, as our approach to point-sourcing is to allow the Legatia midbass/midrange driver to effectively play into upper midrange and lower treble frequencies. The Legatia L8V2 is a cone-type driver consisting of a proprietary hybrid paper diaphragm with extremely low moving mass. Paper is widely acknowledged as the best-damping material, as it provides the near optimum balance of strength and weight. The cone has been treated with a water resistant element at the rear to accommodate door mounting, or other areas prone to occasional contact with liquid. The cone design offers a wide dispersion pattern to make for flexible installation and speaker location. The Legatia L8V2 has an outstanding extended frequency response; the usable frequency range of this driver exceeds six complete octaves of usable bandwidth on-axis (40 Hz – 3,800 Hz). Even off-axis, the L8V2 faithfully recreates more than five full octaves of information, for the ultimate “large-format” midrange/midbass.

Phase Plug and Shorting Rings -  The L8V2 comes equipped with a phase plug pole piece extension at the center of the cone, which is one of the more notable enhancements of the L8V2 over its earlier sibling the L8. The phase plug is aluminum and, by design, ensures enhancement of the total inductance profile, providing much of the inductance reduction benefits noted between the L8V2 and the first-generation L8. The phase plug is anodized black, which by design does not negatively reduce eddy current, and adds thermal dissipation potential, not to mention sleek, under-stated cosmetics. The phase plug extends well down inside the pole vent, and acts as a very large and efficient heatsink for any heat that radiates into the pole. The highest frequencies of audio emanate from the area around the center of the cone and the lower frequencies are produced by the area of the cone that is farther from the center. The phase plug pole piece extension improves the L8V2’s performance and clarity by deflecting delicate midrange and treble tones forward of the driver, while minimizing distortion and improving bandwidth. The L8V2 uses copper shorting rings. The shorting rings consist of optimally sized and placed rings of copper (Cu) to create a total inductance profile that is not just low, but flat over stroke, frequency, and power. Inductance is the number one limiter of high frequency extension and modulation of inductance with stroke, frequency and power, and is the primary source of intermodulation distortion (IMD).

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