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8 Channel Audio Distributor.


Components

1. 4×4558D/ TL072/ NE5532 IC.
2. 16×100KΩ resistor 1/4W.
3. 16×1KΩ resistor 1/4W.
4. 8×2.2KΩ resistor 1/4W.
5. 1×680Ω resistor 1/4W.
6. 8×2.2uF capacitor 25V.
7. 2×47uF capacitor 25V.
8. 2×0.1uF (104) capacitor 50V.
9. 6×3 pin connecter base 2.54 mm.
10. 4×1N4007 Diode.
11. 4×100K Dual Channel Potentiometer.
12. 1×7812/ 7815 +V Regulator.
13. 1×7912/ 7915 -V Regulator.
14. 1×3 mm Led.
15. 2×2200uF capacitor 25V.

License:- ©Technical Mriganka. You can't use this PCB Layout and Gerber File for commercial purpose. You can use this PCB layout and Gerber file only for Educational and DIY projects.

Gerber File:- https://bit.ly/3y56i5s

PCB Layout:- https://bit.ly/3CWoamV


Schematic


Let's Make This Audio Distributor


Hello guys, in this post I make a 8 channel audio distributor. This audio distributor have 2 channel input and 8 channel output. You can control up to 8 amplifier using this audio distributor. For this audio distributor I use 4558D IC, but in place of 4558D IC you can also use TL072 or NE5532 IC. These IC are dual channel OP-AMP IC, so I use here 4 IC and I get 8 channel output.


For designing my PCB, I used EasyEda online software. Then I export the Gerber file (which you can download). And then I go to www.pcbway.com for manufacturing my PCB. PCBWay are the largest PCB manufacturer in China. They offer Standard PCB, Advanced PCB, Rigid-Flex PCB, SMD-Stencil and PCB Assembly Service. Here you get, 100x100mm 2 Layer PCB only at $5, And processing time within 24 hour. And they distribute, worldwide. The more you order, the less price you have to pay.


You just need to upload the Gerber File, and select the quantity, color, silkscreen, thickness etc. Then select your country, and shipping method and then Pay. PCBWay will deliver your PCB within 7-10 days.


After 7 days I have received my PCB. You can see the PCB quality, it's awesome. I have ordered Green PCB. But you can choose your PCB color. PCBWay provide total 9 color solder mask - Green, Blue, Red, Purple, Black, White, Yellow, Matte Black and Matte Green. On PCBWay you can get 100x100mm 2 Layer PCB only at $5. Maximum size PCB you can get 500x1100mm. And maximum Layer is up to 14 Layers. And If you order PCB first time at PCBWay, then you get a $5 discount coupon. So upload your Gerber today and get best quality PCB.

How To Check After Complete


Check Voltages:- Check Audio Output and Audio Input voltage. Here you get no voltages 0.00V. If you get same voltages, then connect this audio distributor to amplifier.

Power Supply:- For get best performance of this amplifier, you use 12-0-12V 750mA-1A Transformer.

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