Hybrid Audio
Technologies
Legatia
™
L3
3” Wide Bandwidth Transducer
User’s Manual and Car Audio Reference Handbook
© 2006, All Rights Reserved
Page 1: ...Hybrid Audio Technologies Legatia L3 3 Wide Bandwidth Transducer User s Manual and Car Audio Reference Handbook 2006 All Rights Reserved...
Page 2: ...ad this document you ll quickly realize that this is not your typical user s manual This manual has been written to be more or less a miniature car audio reference guide that can be used to better any...
Page 3: ...ker cone The former aids in transfer of heat away from the coil into the T yolk which also improves power handling The thermal power handling for the Legatia L3 driver is 50 watts with 3 dB of power c...
Page 4: ...edance and the diameter of the L3 s cone 65mm The Legatia L3 was meant to be used as a dedicated midrange driver in a three way front stage system The three way designs offer elevated power handling c...
Page 5: ...ce coil measured in Ohms Sd The surface area of the speaker Fs The resonant frequency of the speaker Qes The electrical Q of the speaker Qms The mechanical Q of the speaker Qts The total Q of the spea...
Page 6: ...depth 50mm Magnet diameter 65mm Mounting hole 74mm Power handling without crossover 50W 3 dB power compression Power handling with crossover 200W Frequency range 129Hz 10 000Hz Sensitivity 85dB 1w 1m...
Page 7: ...hematically as follows this example assumes a right hand driven vehicle PLD s are always a positive number X Y Z Where X distance of the center of the left speaker from your left ear Y distance of the...
Page 8: ...icle for one seated position There are however some rare exceptions and you may actually find that the dashboard locations provide the best equalized PLD of the available mounting locations Conversely...
Page 9: ...ural time delay ITD As a sound approaches the head the ratio of distances from the speaker location to the near and far ears increases and the effects of head shadowing are amplified causing the IID t...
Page 10: ...including precise image definition and stable sound staging character By applying Lessons 1 3 above and with correct filtering to cover the vocal spectrum as detailed in the Crossover section followin...
Page 11: ...lume of at least 2 5L Hybrid Audio has also encouraged the use of transmission line enclosures for the L3 s and has seen great results with TL s tuned to between 120 and 150 Hz to work extremely well...
Page 12: ...ptum shielding Crossovers One of the most fundamental and important considerations in the final tweaking of a car audio system is the set up of the speaker s crossovers The Legatia L3 utilizes a rigid...
Page 13: ...ral Intensity Difference IID ITD is the time it takes for sound to reach the far ear after reaching the near ear Typical adult male heads have an ITD maximum of approximately 400 microseconds IID is t...
Page 14: ...ion It should be noted that it is Hybrid Audio s opinion that it is always better to improve the car mechanically and attempt to fix mechanical problems with mechanical solutions than it is use to ele...
Page 15: ...in some circles as amplitude alignment is the ability to tune those frequencies above about 500 Hz that are not completely affected by time correction The very best vehicles have some sort of amplitud...
Page 16: ...Legatia L3 Mounting Baffle Requirements section Should the Legatia L3 s be placed in the kick panel locations one may find that a notable improvement can be made by adding acoustical treatments such a...
Page 17: ...may result in physical damage to the speaker s terminals or disconnection of the speaker s tinsel leads which are not covered under the limited warranty We recommend that only those individuals with e...
Page 18: ...han 140 Hz at 24 dB octave With the system on and the amplitude volume adjustment at zero double check the crossovers one final time and then begin to advance the amplitude on a dynamic track with goo...
Page 19: ...system appears to be acoustically out of phase you might be able to quickly remedy this situation by reversing one speaker s polarity by switching the positive and negative wires on the speaker so th...
Page 20: ...or nothing more than a tool and not a mechanism to tune your car audio system Your ears combined with the processor your brain are the most advanced test instrument in the world The RTA although a val...
Page 21: ...d customer service and technical support will advance the Hybrid Audio Technologies namesake in the coming years We are pleased that you have joined us in our new generation of in car audio If there i...
Page 22: ...product must indicate in our judgment a manufacturing defect This warranty does not extend to any product which has been subjected to misuse neglect accident or improper installation HAT shall not be...
Page 23: ...ber 1987 Linkwitz Siegfried A Three Enclosure Loudspeaker System with Active Delay and Crossover Parts 1 2 3 Speaker Builder 2 80 3 80 4 80 Linkwitz Siegfried Loudspeaker System Design Wireless World...
