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Old 15th December 2012, 12:10 PM   #1
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Smile DIY 3 way active crossover: as Christmas Holiday Project

I am about to start this long cherished project. I tried to go through the overwhelming search procedure but found no recent posts prior to starting this new thread, I'm afraid.
Also I googled a lot but I am decisively indecisive on which schematic to select.

Since it is a DIY project for me, I need a schematic

1. that uses commonly available parts, no odd component values, and performs very well

2. made and thoroughly tested to entire satisfaction by our experienced users so that I could hold your always extending helping hand for help as and when it is required

3. if any Eagle project files or design spark files exist ( top and bottom layers)
since I use old toner transfer method to make my PCB.

Eagerly awaiting your valuable inputs regarding a circuit that is ready to build, tested and giving professional result.

Thank you all.



Update:


The hobby project is a finally done!
It is based on an article by respected Mr. Mick Gergos of www.siliconchip.com.au .
It is full of exhaustive and minute details and and an extremely well thought out guidance.
http://archive.siliconchip.com.au/cm...8/article.html

Thank you so much friends for all your help.
Click the image to open in full size.
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Last edited by csom; 26th December 2012 at 06:54 PM. Reason: Update, the hobby project is done!
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Old 15th December 2012, 12:11 PM   #2
AndrewT is offline AndrewT  Scotland
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did you read esp and linkwitz?
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Old 15th December 2012, 12:16 PM   #3
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Quote:
Originally Posted by AndrewT View Post
did you read esp and linkwitz?
yes Andrew.

My current one is from ESP project 123 which is a 2 way system.
And I am lost with Linkwitz due to odd vaules.

Thank you for your quick response.
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Old 15th December 2012, 02:47 PM   #4
pra3718 is offline pra3718  India
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Quote:
Since it is a DIY project for me, I need a schematic
Quote:
if any Eagle project files or design spark files exist ( top and bottom layers)
since I use old toner transfer method to make my PCB.
Silicon Chip Online - Active 3-Way Crossover for Loud Speaker Systems
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Old 15th December 2012, 02:52 PM   #5
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Thank you pra3718.
Did you try the project personally ? How is the performance ?
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Old 15th December 2012, 03:03 PM   #6
pra3718 is offline pra3718  India
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Quote:
Did you try the project personally ? How is the performance ?
It is well written project. Everything is available there. My advice is to please take a time to read completely.

Personally I build 2 way active crossover with eq. And I can turn it into 3 way by fitting passive filter at high-pass output. I like passive component for mid & tweeter.

But this may not suitable you. You asked for "3 way active crossover"

Best Regards.
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Old 15th December 2012, 03:08 PM   #7
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Thank you Pra3718. I will go through the page and keep you updated about my progress.

I saw you are from India too. Could you please suggest what speakers set I can use as you know the concern of availability of branded speakers and cost here in India , I guess?
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Last edited by csom; 15th December 2012 at 03:15 PM.
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Old 15th December 2012, 03:15 PM   #8
pra3718 is offline pra3718  India
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There is good mfg. at delhi. Please search for. I happy with it. Cheap and good. After successful build you can replace with better one.
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Old 15th December 2012, 03:28 PM   #9
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Quote:
Originally Posted by pra3718 View Post
There is good mfg. at delhi. Please search for. I happy with it. Cheap and good. After successful build you can replace with better one.
Thank you Pra3718.
Earlier I used Philips, Bolton, YP, and some local make. Philips and Bolton were better sounding. At present I am using panasonic not bad.

I made a 2 way active system and realized I was really missing something with low cost commercial 2/3 way passive solution. Hence I am trying to upgrade to a 3 way one despite the challenge involved.

Many suggested that a 3 way system might not perform well in a small listening room(ref: youtube videos on which speakers to choose).
But the sound of my DIY floor standers in tandem with this active system with 4 X TDA2050 are simply loved by every listener ( 15 out of 15 so far). Thats an inspiration for the DIY-ers like us

Thank you again
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Old 17th December 2012, 05:33 AM   #10
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Default 3 way active crossover

I have made and used above said crossover. It has very good performance...compare it with esp project...It is almost same.All parts are easily available & every detail including pcb pattern is provided on site.
thanks.
sudhir
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