Hybrid Audio Technologies Legatia SE User Manual
Page 2

Contents
Welcome and Introduction .................................................................................................................................................. 5
Legatia SE Speaker Design Considerations .................................................................................................................... 6
Motor .................................................................................................................................................................................. 6
Voice Coil........................................................................................................................................................................... 6
Phase Plug and Shorting Cup ........................................................................................................................................ 7
Cone ................................................................................................................................................................................... 7
Suspension ........................................................................................................................................................................ 8
Basket ................................................................................................................................................................................ 8
Thiele/Small Parameters Introduction ............................................................................................................................... 8
Application to Thiele/Small Parameters to Legatia SE Designs ............................................................................... 9
Enclosure Recommendations .................................................................................................................................... 9
Dipole Applications ..................................................................................................................................................... 10
Legatia SE L1 Ring Radiator (R2) Tweeter .................................................................................................................... 11
History .............................................................................................................................................................................. 11
Attributes .......................................................................................................................................................................... 12
Summary ......................................................................................................................................................................... 13
Mechanical Drawing ....................................................................................................................................................... 14
Thiele/Small Parameters ............................................................................................................................................... 15
Frequency Response Graph ........................................................................................................................................ 16
Legatia L3SE Wide-Bandwidth Midrange/Full-Range .................................................................................................. 17
History .............................................................................................................................................................................. 17
Attributes .......................................................................................................................................................................... 17
Summary ......................................................................................................................................................................... 19
Mechanical Drawing ....................................................................................................................................................... 20
Thiele/Small Parameters ............................................................................................................................................... 21
Frequency Response Graph ........................................................................................................................................ 22
Legatia L4SE Wide-Bandwidth Midrange/Full-Range .................................................................................................. 23
History .............................................................................................................................................................................. 23
Attributes .......................................................................................................................................................................... 23
Summary ......................................................................................................................................................................... 25
Mechanical Drawing ....................................................................................................................................................... 26
Thiele/Small Parameters ............................................................................................................................................... 27
Frequency Response Graph ........................................................................................................................................ 28