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Old 29th January 2008, 04:11 PM   #1
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Default How to build audio distribution amplifier?

hi! It's my first posting...
I'm (not good) korean high school student. - who cares? -_-;;;;;;


anyway... I built 6 input amp with LM3886 - for small band group

and I need output ports. and searched DIY schematic.

but there isn't.


Y cable maybe harmful to sound quality, so I need help///


please give me a good schematic but easy to build and cheap...



p.s. In this case, may I use a y cable?

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Old 29th January 2008, 06:14 PM   #2
Brion55 is offline Brion55  United States
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Not real clear what it is you are wanting to do. You made a small mixer / amp right? Are you wanting to simply output the mix signal? If so, that should be simple enough. Please give us a little more information and perhaps one of us can help.

Edit to say: If you could include a schematic of the mixer / amp it would help.
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Old 29th January 2008, 10:11 PM   #3
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Default yes. Here is the schematic of amplifier

I made 6 input amp with this schematic.

SO, Each of six amplifier had made and connected parallely.
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File Type: png f01-lm3886-chipamp.png (51.6 KB, 813 views)
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Old 29th January 2008, 10:11 PM   #4
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Default and more(sorry)

-_-
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Old 30th January 2008, 06:27 AM   #5
Brion55 is offline Brion55  United States
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If I understand your drawing correctly, all 6 amps are tied to 1 output jack? I assume this goes to some kind of speaker system?

What exactly do you mean by "output ports?" Do you mean line level outputs? Or are you trying to run multiple speakers?
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Old 30th January 2008, 02:24 PM   #6
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Default ummm.......

I think it may be a speaker - difference is not a speaker but small preamp.

my friends - band club wants 6 output port for link small preamp






thanks for concern about my project.
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Old 31st January 2008, 06:53 PM   #7
Minion is offline Minion  Canada
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Are you saying you want a Preamp with one input and 6 outputs??
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Old 1st February 2008, 05:06 AM   #8
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Default YES!!!

Yes! 99.6% is corresponding!
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Old 1st February 2008, 03:19 PM   #9
Brion55 is offline Brion55  United States
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I think this is what you are wanting - 1 line or instrument level input & 6 line outputs.
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Old 3rd February 2008, 03:55 AM   #10
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Default thanks a billion

thanks a billion

god bless you!!!! _
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