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Lesson Two: Equalization of Pathlength Differences

 ............................................................................................... 54 

Lesson Three: The Effect of HRTF, ITD, and IID

 ...................................................................................................... 56 

Lesson Four: Point-Sourcing

 ........................................................................................................................................ 57 

Lesson Five: Reference

 ................................................................................................................................................ 57 

Advanced Installation of the Legatia Component Systems

 ......................................................................................... 58 

Mounting Baffle Considerations

 ................................................................................................................................... 58 

Crossovers

 ...................................................................................................................................................................... 59 

Time Correction

 .............................................................................................................................................................. 60 

Scenario 1

 ................................................................................................................................................................... 60 

Scenario 2

 ................................................................................................................................................................... 61 

Scenario 3

 ................................................................................................................................................................... 61 

Amplitude Equalization

 .................................................................................................................................................. 61 

Acoustic Treatment

 ........................................................................................................................................................ 61 

Advanced Installation Conclusions

 .................................................................................................................................. 62 

Warranty

 .............................................................................................................................................................................. 63 

Thank You!

 .......................................................................................................................................................................... 64 

References

 .......................................................................................................................................................................... 65 

 

 

 

Содержание Legatia-Series

Страница 1: ...Legatia Series Component Speakers Specifications Library Car Audio Reference Guide...

Страница 2: ...Dipole Applications 9 Legatia L1V2 Tweeter 10 History 10 Attributes 10 Summary 11 Mechanical Drawing 12 Thiele Small Parameters 13 Frequency Response Graph 14 Legatia L3V2 Wide Bandwidth Midrange Full...

Страница 3: ...iamplified Passive Crossover 39 History 39 Key Issues in Passive Crossover Design 39 Attributes 39 Summary 41 Mechanical Drawing 42 Frequency Filter Plot 43 Legatia L3x Three Way Vertically Biamplifie...

Страница 4: ...ing 57 Lesson Five Reference 57 Advanced Installation of the Legatia Component Systems 58 Mounting Baffle Considerations 58 Crossovers 59 Time Correction 60 Scenario 1 60 Scenario 2 61 Scenario 3 61 A...

Страница 5: ...r alike in getting the highest level of performance out of Legatia component speakers and sets using straight forward installation advice and practical application of timeless acoustic principles The...

Страница 6: ...coil and the L6V2 and L8V2 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 maxim...

Страница 7: ...age placement and definition The Legatia midrange and midbass drivers include a proprietary hybrid paper diaphragm with extremely low moving mass Paper is widely acknowledged as the best damping mater...

Страница 8: ...meters The Physical Characteristics of a speaker are Re The D C resistance of the voice coil measured in Ohms Sd The surface area of the speaker s cone BL The magnetic strength of the motor structure...

Страница 9: ...fle operation is difficult or impossible to achieve in your car s environment we highly suggest the use of acoustic resistors aperiodic membranes or trade name Variovents in sealed enclosures to help...

Страница 10: ...iguration The L1V2 was met with resounding approval Production refinements were Fall of 2008 to incorporate features inclusive and proprietary to the Legatia line and final production commenced Novemb...

Страница 11: ...modes reduce dome resonance and edge distortion The mounting flange accommodates three screws for surface mounted installation black anodized Alan head screws are included with each tweeter kit The L1...

Страница 12: ...Legatia User s Manual Hybrid Audio Technologies Page 12 of 65 Mechanical Drawing...

Страница 13: ...3 200 Hz at 24 dB octave highpass Pnom Rated Power Input No Crossover 10 watts AES Standard Pmax Rated Power Input No Crossover 20 watts AES Standard Pmax With Recommended Minimum Crossover 75 watts...

Страница 14: ...Legatia User s Manual Hybrid Audio Technologies Page 14 of 65 Frequency Response Graph...

Страница 15: ...beta prototype pair of Legatia L3V2 s had been refined after hundreds of hours of testing and development these highly evolved drivers were sent to various national and world championship competitors...

Страница 16: ...does not suffer the variance of natural rubbers This rubber surround terminates mechanical vibrations well having a low stiffness for positive damping of resonances The spider material was chosen for...

Страница 17: ...odulation distortion IMD Tinsel Leads The tinsel leads for the L3V2 are terminated on one side of the voice coil The tinsel leads are bonded directly to the former and brought out to the terminals whi...

Страница 18: ...Legatia User s Manual Hybrid Audio Technologies Page 18 of 65 Mechanical Drawing...

Страница 19: ...tave highpass Pnom Rated Power Input No Crossover 25 watts AES Standard Pmax Rated Power Input No Crossover 50 watts AES Standard Pmax With Recommended Minimum Crossover 125 watts Frequency Range 113...

Страница 20: ...uency Response Graph Please note that the response peak at approximately 170 Hz is a testing room mode and is not indicative of the speaker s performance at that frequency All speakers tested show thi...

Страница 21: ...ver is required The following are the L4 s design attributes Basket The basket of the L4 is a shared design with the Legatia L4SE for easy upgrade potential the L4 and L4SE are interchangeable in moun...

Страница 22: ...ar 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 c...

Страница 23: ...atia L4 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...

Страница 24: ...Legatia User s Manual Hybrid Audio Technologies Page 24 of 65 Mechanical Drawing...

Страница 25: ...octave highpass Pnom Rated Power Input No Crossover 30 watts AES Standard Pmax Rated Power Input No Crossover 60 watts AES Standard Pmax With Recommended Minimum Crossover 150 watts Frequency Range 10...

Страница 26: ...uency Response Graph Please note that the response peak at approximately 170 Hz is a testing room mode and is not indicative of the speaker s performance at that frequency All speakers tested show thi...

Страница 27: ...Summer 2011 a beta prototype pair of Legatia L6V2 s had been refined after hundreds of hours of testing and development these highly evolved drivers were sent to various national and world championshi...

Страница 28: ...ctance 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...

Страница 29: ...inated on one side of the voice coil with a second unused set of tinsel leads exiting the opposite side of the termination Having two sets of tinsel leads reduces the rocking of the system under high...

Страница 30: ...Legatia User s Manual Hybrid Audio Technologies Page 30 of 65 Mechanical Drawing...

Страница 31: ...tave highpass Pnom Rated Power Input No Crossover 80 watts AES Standard Pmax Rated Power Input No Crossover 160 watts AES Standard Pmax With Recommended Minimum Crossover 215 watts Frequency Range 49...

Страница 32: ...uency Response Graph Please note that the response peak at approximately 170 Hz is a testing room mode and is not indicative of the speaker s performance at that frequency All speakers tested show thi...

Страница 33: ...re sent to Jim Becker and Jorge Juaristi both multiple IASCA and USACi champions for final testing evaluation and debut in organized competition After countless hours testing on the speakers under var...

Страница 34: ...h 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 inv...

Страница 35: ...ermodulation distortion IMD Tinsel Leads The tinsel leads for the L8V2 are terminated on one side of the voice coil with a second unused set of tinsel leads exiting the opposite side of the terminatio...

Страница 36: ...Legatia User s Manual Hybrid Audio Technologies Page 36 of 65 Mechanical Drawing...

Страница 37: ...ctave highpass Pnom Rated Power Input No Crossover 80 watts AES Standard Pmax Rated Power Input No Crossover 160 watts AES Standard Pmax With Recommended Minimum Crossover 215 watts Frequency Range 40...

Страница 38: ...uency Response Graph Please note that the response peak at approximately 170 Hz is a testing room mode and is not indicative of the speaker s performance at that frequency All speakers tested show thi...

Страница 39: ...y as the Legatia Series Key Issues in Passive Crossover Design Before highlighting the L2x s design attributes there are certain key issues in passive crossover design that the end user should be awar...

Страница 40: ...included in our design either Rather all tweeter level adjustments are done on the board level with dedicated non inductive resistors tweeter attenuation is accomplished by selecting the appropriate...

Страница 41: ...ewise moisture may be present in a door installation Finally if you are mounting the passive crossovers in the kick panels or dashboard be sure to keep the networks away from any noise inducing device...

Страница 42: ...Legatia User s Manual Hybrid Audio Technologies Page 42 of 65 Mechanical Drawing...

Страница 43: ...Legatia User s Manual Hybrid Audio Technologies Page 43 of 65 Frequency Filter Plot...

Страница 44: ...d be aware of For years vocal manufacturers have coerced the consumer into believing that capacitors coils and resistors are not only desirable but are a requirement One notable high end speaker manuf...

Страница 45: ...re not included in our design either Rather all tweeter level adjustments are done on the board level with dedicated non inductive resistors tweeter attenuation is accomplished by selecting the approp...

Страница 46: ...rts that are susceptible to damage through repeated shock moisture and electromagnetic interference For example it is advisable to install the passive crossovers inside the passenger compartment versu...

Страница 47: ...evice that can be used with any Hybrid Audio speaker system to accommodate any number of different bespoke system designs At home in virtually any arrangement the L3x is Hybrid Audio Stage V high end...

Страница 48: ...Legatia User s Manual Hybrid Audio Technologies Page 48 of 65 Mechanical Drawing...

Страница 49: ...Legatia User s Manual Hybrid Audio Technologies Page 49 of 65 Frequency Filter Plot...

Страница 50: ...tia L3 offering NOTE The grille height clearance is very close to the height of the phase plug extended pole piece on certain Hybrid Audio models For this reason the end user MUST use the supplied non...

Страница 51: ...4SE Carbon NOTE The grille height clearance is very close to the height of the phase plug extended pole piece on certain Hybrid Audio models For this reason the end user MUST use the supplied non hard...

Страница 52: ...egatia L6 offering NOTE The grille height clearance is very close to the height of the phase plug extended pole piece on certain Hybrid Audio models For this reason the end user MUST use the supplied...

Страница 53: ...egatia L8 offering NOTE The grille height clearance is very close to the height of the phase plug extended pole piece on certain Hybrid Audio models For this reason the end user MUST use the supplied...

Страница 54: ...incorporating some or all of the techniques in the following sections Lessons Learned We like to call this our Lessons Learned section where we expose some critical lessons that we have learned throu...

Страница 55: ...about 0 9 milliseconds earlier than the furthest channel It is Hybrid Audio s opinion that the end user should try to keep PLD s to less than 30 centimeters in a vehicle which is intended to have goo...

Страница 56: ...cavity of the kick panels present in most vehicles The kick panels are the small panel next to the throttle and brake pedals down by your feet While it is not immediately obvious looking at a two dime...

Страница 57: ...sound staging and imaging Therefore the Legatia midbass should be placed in an area where intensity differences can be equalized either mechanically or electronically to ensure good imaging and sound...

Страница 58: ...get the most out of your Legatia component set specifically the midbass and midrange installation as follows Mounting the baffle sound damping and decoupling the mounting baffle or mounting location s...

Страница 59: ...ur car and the equalizer to suit the vehicle s speaker response to your own tastes The first thing to remember is that every speaker exhibits some sort of a natural roll off This rolloff typically amo...

Страница 60: ...s should be one that allows the midbass or midrange to play as much of the audible spectrum of the spoken voice to ensure point source delivery of the tones and pinpoint image definition In many cases...

Страница 61: ...tude adjustment Virtually any good car audio system can be made better with judicious use of a minor amount of equalization And while equalization will not cure phasing anomalies in a car usually the...

Страница 62: ...lower frequencies with a narrowing of the radiation pattern beaming at frequencies into the treble bandwidth Should the Legatia midbass and or midrange be placed in the kick panel locations one may f...

Страница 63: ...ction Warranty of the replacement parts is limited to 90 days or the unexpired portion of the warranty period of the product on which the parts are being used whichever is longer This warranty does no...

Страница 64: ...eat product offering backed up with unsurpassed 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...

Страница 65: ...wer Output AES Convention New York 1987 JAES Vol 35 No 12 December 1987 Linkwitz Siegfried A Three Enclosure Loudspeaker System with Active Delay and Crossover Parts 1 2 3 Speaker Builder 2 80 3 80 4...

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