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( ! ) Warning: Array to string conversion in C:\wamp64\www\lib\page\SpotPage_editspot.php on line 39

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366088

{main}( )

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( ! ) Warning: Array to string conversion in C:\wamp64\www\lib\page\SpotPage_editspot.php on line 39
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( ! ) Warning: Array to string conversion in C:\wamp64\www\lib\page\SpotPage_editspot.php on line 39

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366088

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SpotPage_editspot->render( )

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( ! ) Warning: Array to string conversion in C:\wamp64\www\lib\page\SpotPage_editspot.php on line 39
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( ! ) Warning: Array to string conversion in C:\wamp64\www\lib\page\SpotPage_editspot.php on line 39

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Time

Memory

Function

Location

0.0001

366088

{main}( )

...\index.php:0

0.0096

668248

SpotPage_editspot->render( )

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0.0150

767552

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( ! ) Warning: Array to string conversion in C:\wamp64\www\lib\page\SpotPage_editspot.php on line 39
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( ! ) Warning: Array to string conversion in C:\wamp64\www\lib\page\SpotPage_editspot.php on line 39

Call Stack

Time

Memory

Function

Location

0.0001

366088

{main}( )

...\index.php:0

0.0096

668248

SpotPage_editspot->render( )

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0.0150

767552

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( ! ) Warning: Cannot modify header information - headers already sent by (output started at C:\wamp64\www\lib\page\SpotPage_editspot.php:39) in C:\wamp64\www\lib\page\SpotPage_Abs.php on line 63
Call Stack
#	Time	Memory	Function	Location
1	0.0001	366088	{main}( )	...\index.php:0
2	0.0096	668248	SpotPage_editspot->render( )	...\index.php:327
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4	0.0242	771576	SpotPage_Abs->sendExpireHeaders( $preventCaching = TRUE )	...\SpotPage_Abs.php:139
5	0.0242	771576	header( $header = 'Cache-Control: private, post-check=1, pre-check=2, max-age=1, must-revalidate' )	...\SpotPage_Abs.php:63

( ! ) Warning: Cannot modify header information - headers already sent by (output started at C:\wamp64\www\lib\page\SpotPage_editspot.php:39) in C:\wamp64\www\lib\page\SpotPage_Abs.php on line 63

Call Stack

Time

Memory

Function

Location

0.0001

366088

{main}( )

...\index.php:0

0.0096

668248

SpotPage_editspot->render( )

...\index.php:327

0.0242

771104

SpotPage_Abs->template( $tpl = 'editspot', $params = ['editspotform' => ['category' => '3', 'website' => 'https://www.skillshare.com/classes/Acoustics-101-Speaker-design-basics-and-enclosure-design-DIY-Audio/12633221', 'image' => 'Array', 'sabnzbdurl' => '', 'messageid' => 'Kx0bhC4Dtz4W7VhWwdBj2@spot.net', 'searchurl' => '', 'description' => 'Design an enclosure to match your preferences\nThe main purpose of this course is to teach you how to properly design an enclosure for your speaker. There is no such thing as "This enclosure is the best choice for this particular speaker". You have to take into consideration your application and your personal preferences. Do you want it to sound loud? Do you want it to sound deep and don\'t care about loudness? You want it to be as smooth and linear as possible? These are all just a few examples of questions '..., 'sub' => '', 'filesize' => '1341918181', 'poster' => 'CaptainSalvoTeam', 'tag' => 'CaptSalvo', 'nzb' => 'Array', 'title' => 'Audiojudgement.Acoustics.101.Speaker.design.basics.and.enclosure.design.DIY.Audio', 'filename' => '', 'newsgroup' => '', 'subcata' => 'a0|', 'subcatb' => 'b0|b26|', 'subcatc' => '', 'subcatd' => '', 'subcatz' => '', 'created' => '1533130077', 'key' => '7', 'prevMsgids' => 'Array', 'newsreader' => 'Spotnet 1.9.0.5', 'id' => '1707894', 0 => '1707894', 1 => 'Kx0bhC4Dtz4W7VhWwdBj2@spot.net', 2 => '3', 3 => 'CaptainSalvoTeam', 4 => 'a0|', 5 => 'b0|b26|', 6 => '', 7 => '', 8 => '', 9 => 'Audiojudgement.Acoustics.101.Speaker.design.basics.and.enclosure.design.DIY.Audio', 10 => 'CaptSalvo', 'stamp' => '1533130076', 11 => '1533130076', 'moderated' => '', 12 => '', 'rating' => '0', 13 => '0', 'commentcount' => '0', 14 => '0', 'reportcount' => '0', 15 => '0', 16 => '1341918181', 'spotterid' => 'rYgT7Q', 17 => 'rYgT7Q', 'editstamp' => '', 18 => '', 'editor' => '', 19 => '', 'downloadstamp' => '', 20 => '', 'watchstamp' => '', 21 => '', 'seenstamp' => '1793033310', 22 => '1793033310', 'verified' => '1', 23 => '1', 'user-signature' => 'ahCm2A7EYExFzF2KvxZTpiRC3tnCCam+vFjtkPaLRAlxt4QOSqVJdkPutjAOmdeb===', 24 => 'ahCm2A7EYExFzF2KvxZTpiRC3tnCCam+vFjtkPaLRAlxt4QOSqVJdkPutjAOmdeb===', 'user-key' => 'Array', 25 => 'YToyOntzOjg6ImV4cG9uZW50IjtzOjQ6IkFRQUIiO3M6NjoibW9kdWxvIjtzOjY0OiJyZ2RpQmJVVEFJbHZlNGNJeTIyd3k5TmJ2aXgyUWVIUHRsV2YxcXIyL1FtaEhkcStCVlBxRWhXckR2Rm5UOHhuIjt9', 'xml-signature' => 'GmFjSYh/6D72KfvkdJ2tRkofm+nz+5klZnkrVOSwZ3ozbYEr4+jNipSaWSL6CiNU', 26 => 'GmFjSYh/6D72KfvkdJ2tRkofm+nz+5klZnkrVOSwZ3ozbYEr4+jNipSaWSL6CiNU', 'fullxml' => '<?xml version="1.0"?>\n<Spotnet><Posting><Key>7</Key><Created>1533130077</Created><Poster>CaptainSalvoTeam</Poster><Tag>CaptSalvo</Tag><Title>Audiojudgement.Acoustics.101.Speaker.design.basics.and.enclosure.design.DIY.Audio</Title><Description>Design an enclosure to match your preferences\nThe main purpose of this course is to teach you how to properly design an enclosure for your speaker. There is no such thing as "This enclosure is the best choice for this particular speaker". You have to take into consider'..., 27 => '<?xml version="1.0"?>\n<Spotnet><Posting><Key>7</Key><Created>1533130077</Created><Poster>CaptainSalvoTeam</Poster><Tag>CaptSalvo</Tag><Title>Audiojudgement.Acoustics.101.Speaker.design.basics.and.enclosure.design.DIY.Audio</Title><Description>Design an enclosure to match your preferences\nThe main purpose of this course is to teach you how to properly design an enclosure for your speaker. There is no such thing as "This enclosure is the best choice for this particular speaker". You have to take into consider'..., 'listidtype' => '', 28 => ''], 'result' => class Dto_FormResult { public $_result = 'notsubmitted'; public $_data = [...]; public $_errors = [...]; public $_warnings = [...]; public $_info = [...] }] )

...\SpotPage_editspot.php:87

0.0242

771576

SpotPage_Abs->sendExpireHeaders( $preventCaching = TRUE )

...\SpotPage_Abs.php:139

0.0242

771576

header( $header = 'Cache-Control: private, post-check=1, pre-check=2, max-age=1, must-revalidate' )

...\SpotPage_Abs.php:63

( ! ) Warning: Cannot modify header information - headers already sent by (output started at C:\wamp64\www\lib\page\SpotPage_editspot.php:39) in C:\wamp64\www\lib\page\SpotPage_Abs.php on line 64
Call Stack
#	Time	Memory	Function	Location
1	0.0001	366088	{main}( )	...\index.php:0
2	0.0096	668248	SpotPage_editspot->render( )	...\index.php:327
3	0.0242	771104	SpotPage_Abs->template( $tpl = 'editspot', $params = ['editspotform' => ['category' => '3', 'website' => 'https://www.skillshare.com/classes/Acoustics-101-Speaker-design-basics-and-enclosure-design-DIY-Audio/12633221', 'image' => 'Array', 'sabnzbdurl' => '', 'messageid' => 'Kx0bhC4Dtz4W7VhWwdBj2@spot.net', 'searchurl' => '', 'description' => 'Design an enclosure to match your preferences\nThe main purpose of this course is to teach you how to properly design an enclosure for your speaker. There is no such thing as "This enclosure is the best choice for this particular speaker". You have to take into consideration your application and your personal preferences. Do you want it to sound loud? Do you want it to sound deep and don\'t care about loudness? You want it to be as smooth and linear as possible? These are all just a few examples of questions '..., 'sub' => '', 'filesize' => '1341918181', 'poster' => 'CaptainSalvoTeam', 'tag' => 'CaptSalvo', 'nzb' => 'Array', 'title' => 'Audiojudgement.Acoustics.101.Speaker.design.basics.and.enclosure.design.DIY.Audio', 'filename' => '', 'newsgroup' => '', 'subcata' => 'a0\|', 'subcatb' => 'b0\|b26\|', 'subcatc' => '', 'subcatd' => '', 'subcatz' => '', 'created' => '1533130077', 'key' => '7', 'prevMsgids' => 'Array', 'newsreader' => 'Spotnet 1.9.0.5', 'id' => '1707894', 0 => '1707894', 1 => 'Kx0bhC4Dtz4W7VhWwdBj2@spot.net', 2 => '3', 3 => 'CaptainSalvoTeam', 4 => 'a0\|', 5 => 'b0\|b26\|', 6 => '', 7 => '', 8 => '', 9 => 'Audiojudgement.Acoustics.101.Speaker.design.basics.and.enclosure.design.DIY.Audio', 10 => 'CaptSalvo', 'stamp' => '1533130076', 11 => '1533130076', 'moderated' => '', 12 => '', 'rating' => '0', 13 => '0', 'commentcount' => '0', 14 => '0', 'reportcount' => '0', 15 => '0', 16 => '1341918181', 'spotterid' => 'rYgT7Q', 17 => 'rYgT7Q', 'editstamp' => '', 18 => '', 'editor' => '', 19 => '', 'downloadstamp' => '', 20 => '', 'watchstamp' => '', 21 => '', 'seenstamp' => '1793033310', 22 => '1793033310', 'verified' => '1', 23 => '1', 'user-signature' => 'ahCm2A7EYExFzF2KvxZTpiRC3tnCCam+vFjtkPaLRAlxt4QOSqVJdkPutjAOmdeb===', 24 => 'ahCm2A7EYExFzF2KvxZTpiRC3tnCCam+vFjtkPaLRAlxt4QOSqVJdkPutjAOmdeb===', 'user-key' => 'Array', 25 => 'YToyOntzOjg6ImV4cG9uZW50IjtzOjQ6IkFRQUIiO3M6NjoibW9kdWxvIjtzOjY0OiJyZ2RpQmJVVEFJbHZlNGNJeTIyd3k5TmJ2aXgyUWVIUHRsV2YxcXIyL1FtaEhkcStCVlBxRWhXckR2Rm5UOHhuIjt9', 'xml-signature' => 'GmFjSYh/6D72KfvkdJ2tRkofm+nz+5klZnkrVOSwZ3ozbYEr4+jNipSaWSL6CiNU', 26 => 'GmFjSYh/6D72KfvkdJ2tRkofm+nz+5klZnkrVOSwZ3ozbYEr4+jNipSaWSL6CiNU', 'fullxml' => '<?xml version="1.0"?>\n<Spotnet><Posting><Key>7</Key><Created>1533130077</Created><Poster>CaptainSalvoTeam</Poster><Tag>CaptSalvo</Tag><Title>Audiojudgement.Acoustics.101.Speaker.design.basics.and.enclosure.design.DIY.Audio</Title><Description>Design an enclosure to match your preferences\nThe main purpose of this course is to teach you how to properly design an enclosure for your speaker. There is no such thing as "This enclosure is the best choice for this particular speaker". You have to take into consider'..., 27 => '<?xml version="1.0"?>\n<Spotnet><Posting><Key>7</Key><Created>1533130077</Created><Poster>CaptainSalvoTeam</Poster><Tag>CaptSalvo</Tag><Title>Audiojudgement.Acoustics.101.Speaker.design.basics.and.enclosure.design.DIY.Audio</Title><Description>Design an enclosure to match your preferences\nThe main purpose of this course is to teach you how to properly design an enclosure for your speaker. There is no such thing as "This enclosure is the best choice for this particular speaker". You have to take into consider'..., 'listidtype' => '', 28 => ''], 'result' => class Dto_FormResult { public $_result = 'notsubmitted'; public $_data = [...]; public $_errors = [...]; public $_warnings = [...]; public $_info = [...] }] )	...\SpotPage_editspot.php:87
4	0.0242	771576	SpotPage_Abs->sendExpireHeaders( $preventCaching = TRUE )	...\SpotPage_Abs.php:139
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( ! ) Warning: Cannot modify header information - headers already sent by (output started at C:\wamp64\www\lib\page\SpotPage_editspot.php:39) in C:\wamp64\www\lib\page\SpotPage_Abs.php on line 64

Call Stack

Time

Memory

Function

Location

0.0001

366088

{main}( )

...\index.php:0

0.0096

668248

SpotPage_editspot->render( )

...\index.php:327

0.0242

771104

...\SpotPage_editspot.php:87

0.0242

771576

SpotPage_Abs->sendExpireHeaders( $preventCaching = TRUE )

...\SpotPage_Abs.php:139

0.0300

771952

header( $header = 'Expires: Mon, 12 Jul 2000 01:00:00 GMT' )

...\SpotPage_Abs.php:64

( ! ) Warning: Cannot modify header information - headers already sent by (output started at C:\wamp64\www\lib\page\SpotPage_editspot.php:39) in C:\wamp64\www\lib\page\SpotPage_Abs.php on line 96
Call Stack
#	Time	Memory	Function	Location
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Design an enclosure to match your preferences
The main purpose of this course is to teach you how to properly design an enclosure for your speaker. There is no such thing as "This enclosure is the best choice for this particular speaker". You have to take into consideration your application and your personal preferences. Do you want it to sound loud? Do you want it to sound deep and don't care about loudness? You want it to be as smooth and linear as possible? These are all just a few examples of questions that needs answering before you get to work. The final result will always be a compromise between the acoustical qualities of an enclosure. Only you can decide which sound qualities are more important to you and you should be the one who "moves the sliders".

Acoustics basics

This course assumes that you have minimal knowledge about acoustics, and therefore starts slowly with some basic information about sound waves, how they are created and what are their characteristics. Then moves on to how the speaker is designed and some other relevant information about acoustics. This is obviously needed for a beginner, but it's also good for an intermediate student, as I'm sure he will also find new information to make matters even more clear.

Enclosure types

Most of the common enclosure types are listed, explaining their working principle, pro's and cons for each one. But, we will focus our attention for the sealed and bass reflex enclosures. These are covered with extensive details regarding their characteristics and how to design them according to the standard alignments, or to complete custom response curves.

Modeling software

To model the response curve of the enclosure and to calculate the dimensions of the box, two methods will be used. You will receive an excel spreadsheet, that has all that you need to model a sealed or a bass reflex enclosure with minimal difficulty. It even has a chart to show you the modeled frequency response. It's basically a complete package for a beginner. The other method is by using a paid application. There are a lot of speaker design software solutions out there but I chose : "Subwoofer design toolbox". The main reasons are : it's cheap, simple, easy to understand and it has all the basic functions. If you are a beginner it's very important to start slow, otherwise you will get overwhelmed by complicated applications with extra features that will only confuse you.

Who is the target audience?

Audiophiles who want to learn more about sound and speaker systems.
DIY-ers who want to build their own speaker enclosure.
People who built enclosures by following some speaker plans, but want to understand the design process.
People interested in acoustics and electro-acoustics

nJoy!

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