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L1 Pro Tweeter

Attributes

The Legatia SE L1 Pro is a 58mm (2.3-inch) O.D. 
“low resonance” wide-bandwidth tweeter driver.  
Continuing on in the tradition of exceptional 
tweeter design and manufacturing by Hybrid Audio 
Technologies, the Legatia Pro L1 is an articulate, 
detailed, and tonally-correct tweeter in a slightly 
larger diaphragm than its sibling, the Legatia L1V2.  
The Pro L1 is a light and transiently fast tweeter 
in a 25mm body that doesn’t suffer from typical 
“heaviness” in tonal quality, typically associated 
with damped, large-diameter dome tweeters; the 
L1 Pro can be used for the reproduction of treble 
frequencies in dedicated two-, three-, and four-way 
front stage systems.  The Pro L1 has exceptional 
polar response, and remains small enough to install 
in typical locations within a vehicular environment.

At the onset of the Special Edition and Pro-Series 
Legatia program, we wanted to be sure that the 
Pro-Series tweeter could be listened to for long 
listening sessions with no noticeable listener 
fatigue, and the Pro L1 answers the call.  The Pro L1 
does an immaculate job of recreating tones well into 
the vocal midrange frequencies, should the user 
decide to employ an exceptionally low crossover 
frequency.  The Pro L1 sets the new benchmark for 
car audio tweeters; it is the best soft-dome car audio 
tweeter available today, irrespective of price.  The 
L1 Pro is available in two finishes: brushed (natural) 
aluminum and anodized black.

Dome

The Pro L1 starts with an impregnated fine cloth 
silk dome diaphragm for a linear, smooth frequency 
response, with a treated silk surround to damp 
edge modes and resonances.  The Pro L1 is efficient, 
exhibits low distortion, and has a wide dispersion; 
the dome is of exceptionally low mass and has 

an extremely high power handling with proper 
filtering.  The Pro L1 dome design is much less 
susceptible to mechanical deformation than other 
designs, and yet yields a smooth response over the 
extent of its range.

Motor

The motor assembly is conventional dynamic, with a 
Φ24.5 × 3 H NdFeB neodymium magnet structure to 
ensure a relatively small footprint size and shallow 
depth.  A perforated grille protects the dome.  The 
Pro L1 boasts a fully machined aluminum body; the 
body is machined aluminum, not cast aluminum.  
The dense metal structure of the tweeter housing 
helps to reduce resonances within the body of the 
tweeter for effective reproduction of extremely 
low music tones.  Additionally, the Pro L1 has a 
polypropylene tuned and damped chamber at the 
rear of the motor assembly; the chamber helps 
to reduce backwave distortion and significantly 
lower the tweeter’s resonance frequency to allow 
it to be used to play tones in the vocal spectrum, if 
desired.  A machined aluminum Φ47.5mm knurled 
attachment nut at the base of the tweeter provides 
optimized clamping strength to the mounting 
media.

Mounting Flange and Dimensions

The 58mm wide mounting flange, only 3mm 
larger than the Legatia L1V2 tweeter, provides a 
solid-aluminum mounting surface for the tweeter 
without the necessity of mounting cups or external 
hardware.  The overall dimensions of the driver are 
very amenable for use in the car audio environment, 
boasting an exceptional depth of just 30mm (nearly 
unheard of in a tuned-chamber tweeter).

Terminals Cap and Spring-Loaded 
Terminals

The L1 Pro includes an extruded polypropylene 
tuned chamber with integrated high-end 

nickel-plated spring-loaded push terminals at 
the rear of the tweeter’s motor assembly. The 
spring-loaded terminals give the end-user flexibility 
in direct connection with large-gauge tinned wiring, 
without the need for crimp terminals.

Summary

The Legatia SE L1 Pro tweeter is an excellent step-up 
in performance over the Legatia L1V2 tweeter 
driver offered in the Stage V Legatia series, and is a 
bench-mark low-resonance soft-dome tweeter in 
Hybrid Audio’s complete product offering.  Equally 
at home in two-way configuration paired with a 
midrange or midbass, or as the dedicated tweeter 
transducer in a three-way application, the Legatia 
L1 Pro is an exemplary performer.

L3 Pro on following page...

Legatia Pro 

Speaker 

Design

 

© Hybrid Audio Technologies • Cumming, GA • 770.888.8200

© Hybrid Audio Technologies • Cumming, GA • 770.888.8200

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Summary of Contents for Legatia Pro Series

Page 1: ...1240 Oak Industrial Lane Cumming Georgia 30041 United States Legatia Pro Series Component Speakers Installation Reference Manual T 1 770 888 8200 F 1 888 886 4605 hybrid audio com ...

Page 2: ...Installation Pages 36 47 Component Specific Information Pages 6 35 Speaker Attributes Specifications Parameters and Mechanical Drawings 04 Warranty Pages 48 49 Hybrid Audio Technologies Cumming GA 770 888 8200 Hybrid Audio Technologies Cumming GA 770 888 8200 2 3 2 3 ...

Page 3: ...nstallation advice Thank you and happy listening Welcome and Introduction by Scott Buwalda Founder We realize that you have a choice in loudspeakers and are thrilled that you have chosen the Legatia Pro series component speakers For more information about Hybrid Audio Technologies our philosophies regarding high end mobile audio to learn more about our lifetime guaranteed value program and for inf...

Page 4: ...relates to how far the speaker can move in either direction without appreciable distortion The Legatia Pro dome midrange designs boast exceptional one way linear excursion Xmax Dome The shape weight and strength of the Legatia Pro midrange domes relate directly to the extended frequency response of the Legatia Pro range of drivers The Legatia Pro domes are convex shaped hybrid fine fabric Japanese...

Page 5: ...tremely low music tones The dome topology better approximates a true monopole than a similarly sized cone midrange especially in the lower one third of its frequency response Notably what also makes the L3 Pro a very good approximation of a true monopole is the fact that the flange body of the driver is solid machined aluminum void of interstitial spaces which terminates resonances well Hybrid Aud...

Page 6: ...e to the suspension The Thiele Small Response Paramters are Re The D C resistance of the voice 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 speaker Vas The volume of air having the same acoustic compliance as the speaker s suspension Enclosure Recommen...

Page 7: ...ith a Φ24 5 3 H NdFeB neodymium magnet structure to ensure a relatively small footprint size and shallow depth A perforated grille protects the dome The Pro L1 boasts a fully machined aluminum body the body is machined aluminum not cast aluminum The dense metal structure of the tweeter housing helps to reduce resonances within the body of the tweeter for effective reproduction of extremely low mus...

Page 8: ... Pro in a simple baffle without worry of separating front and back waves nor building an enclosure The rear of the body propagates diaphragm back pressure into the tuned chamber to provide adequate communication to the back of the dome for acoustic suspension and proper operation Housing and Tuned Chamber In addition to the aluminum body of the Pro series drivers the L3 Pro includes a cast polypro...

Page 9: ...on fabric which is highly consistent and does not suffer the variance of natural rubbers This surround terminates mechanical vibrations well having a low stiffness for positive damping of resonances Terminals The Legatia L3 Pro comes equipped with heavy duty nickel plated spring loaded push terminals for both positive and negative The terminals optimize contact and give the end user flexibility in...

Page 10: ...on beyond simple tweeter attenuation We believe in making the speaker great not trying to fix a poor speaker with filtering and attenuation There s no crossover in the world that can make a poorly designed speaker sound good This is why there s a relatively simple high quality crossover topology employed on the Legatia L2x crossover with no additional board mounted equalization And this is also wh...

Page 11: ...or example it is advisable to install the passive crossovers inside the passenger compartment versus the door since the door is exposed to repeated opening and closing shock which may damage the delicate passive crossover components or cause soldered joints to break over time Likewise moisture may be present in a door installation Finally if you are mounting the passive crossovers in the kick pane...

Page 12: ...ge midbass and tweeter pairing Hybrid Audio manufactures The following are the L3x s design attributes Filter Set The L3x is a bi wired three way passive crossover that has the following filters Lowpass midbass 300 Hz at 12 dB octave Linkwitz Riley Bandpass midrange 300 Hz to 6 000 Hz at 12 dB octave Linkwitz Riley Highpass treble 6 000 Hz at 12 dB octave Linkwitz Riley The only filtering on the b...

Page 13: ...x mounting location carefully The L3x contains parts that are susceptible to damage through repeated shock moisture and electromag netic interference For example it is advisable to install the passive crossovers inside the passenger compartment versus the door since the door is exposed to repeated opening and closing shock which may damage the delicate passive crossover components or cause soldere...

Page 14: ...truction Φ24 5 3 H NdFeB Φ49 5 X 5mm H NdFeB Recommended Minimum Crossover Frequency 2 000 Hz at 24 dB octave highpass 400 Hz at 24 dB octave highpass Pnom Rated Power Input No Crossover 20 watts AES Standard 30 watts AES Standard Pmax Rated Power Input No Crossover 40 watts AES Standard 60 watts AES Standard Pmax With Recommended Minimum Crossover 100 watts 80 watts Resonance Frequency Fs 700 Hz ...

Page 15: ...Legatia L1 Pro Mechanical Drawing Legatia L3 Pro Mechanical Drawing Hybrid Audio Technologies Cumming GA 770 888 8200 Hybrid Audio Technologies Cumming GA 770 888 8200 28 29 ...

Page 16: ...Legatia L2x Mechanical Drawing Legatia L3x Mechanical Drawing Hybrid Audio Technologies Cumming GA 770 888 8200 Hybrid Audio Technologies Cumming GA 770 888 8200 30 31 ...

Page 17: ...Legatia L3 Pro Frequency Response Graph Legatia L1 Pro Frequency Response Graph Hybrid Audio Technologies Cumming GA 770 888 8200 Hybrid Audio Technologies Cumming GA 770 888 8200 32 33 ...

Page 18: ...Legatia L2x Frequency Filter Plot Legatia L3x Frequency Filter Plot Hybrid Audio Technologies Cumming GA 770 888 8200 Hybrid Audio Technologies Cumming GA 770 888 8200 34 35 ...

Page 19: ... techniques concepts and principals where a little bit of additional installation work can net immense gains in overall sound quality There are certainly many things you can do to improve your mobile audio system such as addition of amplification a dedicated subwoofer system higher gauge speaker wire and higher end passive crossovers and active crossovers All of these things require an additional ...

Page 20: ...e Legatia Pro midrange should be placed as far forward from your listening position as possible and every effort should be made to optimize time and intensity domain characteristics of the installation Lesson Two Equalization of Pathlength Differences Continued In scenario a we show the installation of the Legatia Pro midrange in the dashboard or high in a door panel As you can see from the diagra...

Page 21: ...good quality brand name self adhesive damping product a solid wood mounting baffle with sound damping treatment will augment the Legatia Pro installation by eliminating resonances Lesson Four Point Sourcing The term point sourcing is often used to describe the technique of having a single pair of speakers in an installation cover the majority of the critical middle band frequencies In many install...

Page 22: ...he chosen crossover frequencies should be evaluated for sonic character while balancing distortion and power compression at high amplitude levels Advanced Installation of the Legatia Pro Component Speakers Continued Mounting baffle dimensions While building baffles is important it is notable that mounting baffle size is equally important All mounting baffles should be kept as small as possible wit...

Page 23: ...ndent or perhaps to improve image placement or stage coherency Advanced Installation of the Legatia Pro Component Speakers Continued Time Correction It is our humble opinion that time correction should only be used in three different circumstances 1 When the installer recognizes that a vehicle cannot image properly from both seated positions and it seems more plausible to make the vehicle stage an...

Page 24: ...pplied treatments there is a point where the vehicle can begin to approach semi anechoic conditions and lose its liveliness which is not ideal Reflections are all around us and are a part of our day to day lives It is our opinion that some lateral reflection is a good thing it helps to establish stage boundaries and gives the recoded playback and more visceral and believable sound The first princi...

Page 25: ...echnologies 2 physical abuse to overload of or misuse of the product or operation thereof in a manner inconsistent with the use indicated in the instructions 3 any use of the product other than that for which it was intended or 4 shipment of the product to Hybrid Audio Technologies for service This warranty does not cover labor costs Hybrid Audio Technologies is not liable for any special incident...

Page 26: ...1240 Oak Industrial Lane Cumming Georgia 30041 United States T 1 770 888 8200 F 1 888 886 4605 hybrid audio com ...

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