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Hybrid Audio Technologies Imagine I61-2, User'S Manual And Mobile Audio Reference Handbook

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Hybrid Audio Technologies Imagine I61-2 User'S Manual And Mobile Audio Reference Handbook Download Page 2

 

Table of Contents 

(Use your mouse and click to advance to various sections below) 

 

Welcome and Introduction

................................................................................................................... 3

 

Imagine Individual Component Parameters

.................................................................................. 4

 

Midbass Speakers (Imagine I6)

............................................................................................................. 4

 

Tweeter Speakers (Imagine I1)

............................................................................................................ 5

 

Imagine System Specifications

.......................................................................................................... 6

 

Midbass Thiele/Small Parameters (incl. mounting dimensions)

............................................ 7

 

Unpacking/Inventory

............................................................................................................................. 7

 

How to Use This Manual

........................................................................................................................ 8

 

Section I - Getting Started – Basic System Installation

............................................................ 9

 

Coaxial / Component Set Conversion

................................................................................................. 10

 

Installation

.............................................................................................................................................. 11

 

Section II - Moving Forward – Advanced System Installation

............................................. 14

 

Lessons Learned

.................................................................................................................................... 14

 

Lesson One: Off-Axis Response

...................................................................................................... 14

 

Lesson Two: Equalization of Pathlength Differences

................................................................... 14

 

Lesson Three  The Effect o  HRTF, ITD, and IID

........................................................................ 17

 

:

f

Lesson Four: Point-Sourcing

........................................................................................................... 18

 

Lesson Five: Reference

.................................................................................................................... 18

 

Advanced Installation of the Imagine Component Systems

........................................................... 18

 

Mounting Baffle Considerations

......................................................................................................... 18

 

Acoustic Treatment

............................................................................................................................. 20

 

Advanced Installation Conclusions

...................................................................................................... 21

 

Warranty

................................................................................................................................................... 22

 

Thank You!

............................................................................................................................................... 23

 

 

 

Summary of Contents for Imagine I61-2

Page 1: ...Imagine I61 2 High Performance Mobile Audio Speaker System User s Manual and Mobile Audio Reference Handbook ...

Page 2: ... Section I Getting Started Basic System Installation 9 Coaxial Component Set Conversion 10 Installation 11 Section II Moving Forward Advanced System Installation 14 Lessons Learned 14 Lesson One Off Axis Response 14 Lesson Two Equalization of Pathlength Differences 14 Lesson Three The Effect o HRTF ITD and IID 17 f Lesson Four Point Sourcing 18 Lesson Five Reference 18 Advanced Installation of the...

Page 3: ...erence guide it is our goal to assist the do it yourself enthusiast and professional installer alike in getting the highest level of performance out of Imagine 2 way convertible coaxial and component set using straight forward installation advice and practical application of timeless acoustic principles As you begin to read this document you will quickly realize that this is not your typical user ...

Page 4: ...ems on the market The treatment protects the cone from periodic drips such as inside a door panel as well as accidental splashes to the front of the cone Phase Plug Cast ABS plastic When using the midbass in component set mode the tweeter pole piece is replaced with an ABS extended phase plug pole piece The extended phase plug pole piece is critical for focusing high frequency information at the c...

Page 5: ... the antithesis of large diaphragm and metal dome tweeters for the effective and convincing reproduction of treble frequencies Voice Coil and Motor System 25mm Complimentary design The motor assembly is conventional dynamic with a compact neodymium magnet structure to ensure a small footprint size and shallow depth A perforated grille protects the dome The voice coil is ferrofluid cooled and dampe...

Page 6: ... Handling 230 watts musical input Recommended Power Range 20 150 watts musical input Nominal Impedance 4 ohms Thiele Small Parameter Discussion for Imagine Midbass Speakers The mechanical and electrical parameters of the Imagine I6 midbass are amenable to a variety of different installations and speaker locations The high Qms Q factor of mechanical system and Qts Q factor of total system coupled w...

Page 7: ... remove the midbass speakers with two hands and avoid pressing your thumb or fingers against the cone of the midbass1 Two Imagine I6 6 5 165mm midbass speakers with integrated tweeter crossover Two Imagine I1 1 25mm tweeter speakers pre installed in coaxial mode Two midbass grilles with anodized aluminum Hybrid Audio Technologies nameplates and ABS grille mounting flanges Nine small packages locat...

Page 8: ...t part focuses on a typical basic installation of the Imagine product and follows in general what you d expect from a mobile audio component system owner s manual The second part delves into more advanced topics on optimized speaker placement lessons learned a topical discussion of real world applications use of sound damping products and acoustic absorption materials and fine tuning Most users wi...

Page 9: ... speaker wire you will need to know which wire is positive and which is negative at each proposed speaker location If you re unsure we highly recommend the use of Installation Excellence an on line resource for wire colors wire locations fit guides and technical support To access the Installation Excellence site click your mouse on the blue highlighted text above In a basic system the Imagine midb...

Page 10: ... as a coaxial or as a component system If you opt to continue on as a coaxial you can disregard this section If installing as a component system read on Here are a few very simple steps to convert your coaxial into a component set 1 Remove both midbass from the Imagine carton and flip them upside down on a clean non abrasive surface such as a kitchen table 2 Peel the Imagine decals off of both of ...

Page 11: ...cy Response where the front and back waves of the speaker meet and cancellation will occur seriously effecting midbass output The use of a good damping product is the single biggest installation related improvement you can do to enhance the performance of your Imagine audio system And since the Imagine midbass require an infinite baffle it is intuitive to seal up the mounting area as best as possi...

Page 12: ... to do a brief listening test with CD quality music that you are intimately familiar with to determine if the tweeter seems to be linear in amplitude with the midbass or seems to be too muted If the tweeter seems too muted or if you prefer a louder tweeter sound simply reverse the black and red wires on the tweeter terminals located on the frame of the midbass You will be changing the polarity of ...

Page 13: ...Basic Installation If you re happy with the end product stop reading here If you want to learn more about advanced techniques for achieving great mobile audio sound quality flip the page Hybrid Audio Technologies 2010 Page 13 of 23 ...

Page 14: ... installation techniques can see a significant improvement as well by understanding and 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 through thousand upon thousands of hours of trial and error Lesson One Off Axis Response When a speaker system like th...

Page 15: ...g about 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 good imaging and staging character from both seated positions The best way to go about evaluating certain locations in your vehicle is in general to look for the potential locations as far forward and awa...

Page 16: ...stallation location is shown and in many vehicles represents a good improvement in PLD s from the dashboard high in the door panel and a pillar location identified in scenario a The door speaker installation scenario is the one detailed in the basic installation section at the beginning of this manual and in most vehicles represents a satisfactory location to mount speakers not ideal but satisfact...

Page 17: ...th length from the source to the ears remains approximately constant as distance decreases From this we learn ITD is the dominant factor for frequencies below about 500 Hz A combination of ITD and IID are dominant for frequencies between approximately 500 Hz and 2 000 Hz and IID in concert with HRTF are dominant above about 2 000 Hz These are generalizations and are subject to the size and shape o...

Page 18: ... valuable addition to any sound system as a point source driver for the spectrum comprising vocal imaging cues Lesson Five Reference One of the most important things to do before completing your Imagine installation is to get a reference for your future listening tests To really know what a snare drum sounds like you must go and listen to one in person live and un amplified There is no substitute ...

Page 19: ...pled from the baffle This can be something as simple as a layer of self adhesive foam tape to more exotic examples of decoupling including rubberized rings or multiple layer septum shielding Building solid mounting baffles in many cases it is advisable to mount your Imagine midbass in high stiffness wood or high density fiberglass or wood treated with fiberglass resin Hybrid Audio Technologies rec...

Page 20: ... those frequencies above 200 Hz benefit from the use of treatments given that a 200 Hz waveform is about 1 7 m long 1 7 meters is less than or equal to most vehicle widths This is also the frequency where we believe pure tones in the vehicle are going to be difficult if not impossible to localize Finally most vehicles exhibit a Schroeder Frequency Fs between 50 at 125 Hz the Fs or cabin gain frequ...

Page 21: ...fortunate to have a vehicle that sounds excellent with minimal work Have patience and work through the issues the result will be a rewarding musical experience in your vehicle Just remember it is critical to get a reference as detailed in Lesson 5 Go out and become a student of music and audio learn and improve your audio system one step at a time The journey is exciting and rewarding What we have...

Page 22: ... 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 not cover any defects or costs caused by 1 modification alteration repair or service of this product by any persons or company other than Hybrid Audio Technologies 2 physical abuse to overload of or misuse of the product or operation thereof in a manner i...

Page 23: ...ervice 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 is anything we can do to help you get the most out of your Imagine installation please do not hesitate to contact us at info hybrid audio com or by visiting us on line at the www hybrid audio com Hybrid Audio Tech...

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