Hybrid Audio Technologies Legatia SE - Manual (Page 6)

Legatia SE User’s Manual ©Hybrid Audio Technologies Page 6 of 73
Legatia SE Speaker Design Considerations
The Legatia SE-series component speakers are electrodynamic drivers that are comprised of a
diaphragm (cone, or in the case of the Legatia SE L1 Pro R2, a fine fabric diaphragm and ring) that is
set in motion by a motor system that has both electrical and mechanical components. For more
details about the Stage
VI Legatia SE tweeter offering, the Legatia SE L1 Pro R2, please go to pages
11 and 16, respectively.
The Special Edition midrange and midbass designs boast several key elements which enhance the
driver’s performance between the Stage V Legatia-series speakers and the Stage VI Legatia SE-
series speakers:
• Wider bandwidth operation;
• Notably lower inductance;
• Higher thermal power handling by AES standard;
• Higher thermal power handling with suggested crossover;
• Typically lower moving mass for better transient response;
• Typically higher compliance of motor system;
• Use of woven dual tinsel lead spider for mechanical balance, improved radial compliance, and
to eliminate tinsel lead slap;
• Inclusion of nickel-plated, spring-loaded binding post terminals for enhanced connectivity;
• Inclusion of high-energy opposing double-stacked neodymium cup and motor for increased
motor performance and smaller diameter motor;
• Inclusion of aluminum radiator for heat dissipation and increased thermal power handling;
• Inclusion of rose-tinted copper-plated aluminum extended phase plug pole piece; and
• Inclusion of laser-etched back plate cap with Hybrid Audio Technologies logo and Special
Edition nomenclature.
The following design tenets are typical of all Legatia SE-series midrange and midbass drivers:
Motor
The motor of the Legatia SE midrange and midbass drivers are paramount to the performance of the
drivers, providing for a flat and wide BL curve. The BL curve is flat and extended in all models,
yielding exceptional two-way linear excursion, resulting in the Legatia SE midrange and midbass
drivers being able to accurately track the input signal. Reduced distortion and greater dynamics are
the immediate sonic benefits. The motor of the L3SE, L4SE, L6SE, and L8SE includes an opposing
double-stacked high-grade NdFeB magnet assembly to improve restorative force, compliance, motor
strength, displacement, and power handling, but also to serve a small diameter form-factor. The
voice coil fully surrounds the opposing double-stacked magnet.
Voice Coil
The voice coil diameter of the Legatia SE range of midrange and midbass drivers represents the
optimal balance of diameter, power handling, and moving mass. The L3SE and L4SE use a 25.5mm
(1-inch) voice coil, and the L6SE and L8SE use 35.5mm (1.4-inch) voice coils. 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