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LA4440 IC Amplifier.


1. 1×10KΩ resistor 1/4W.
2. 2×15KΩ resistor 1/4W.
3. 1×220Ω resistor 1/4W.
4. 2×2.2Ω resistor 1/4W.
5. 1×150Ω resistor 1/4W.
6. 1×0.001uF (102) capacitor 50V.
7. 2×0.1uF (104) capacitor 50V.
8. 4×100uF capacitor 25V.
9. 1×470uF capacitor 25V.
10. 1×2200uF capacitor 25V.
11. 1×2 pin connecter base 2.54 mm.
12. 2×2 Pin screw terminal.
13. 1×IC LA4440/ CD4440.

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.

Lets Build This Amplifier

Hello Friends, in this post I make a 19 Watt bridge mono amplifier using LA4440 IC. This is a class AB amplifier. Which can deliver up to 19 Watt RMS output at 4Ω ±15V, Test frequency 1khz. This IC is very cheap and basic. So don't expect very good sound from this IC. This IC can give you a basic sound quality. For designing my PCB, I used EasyEda online software. Then I export the Gerber file (which you can download). And then I go to 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 one week 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.

Power Supply:- Recommended transformer 0-12V 2A. For rectifier you can use 4 Pcs. 1N5408 Diode and 1 pcs 4700uF 25V Capacitor. Or you can use 12V Battery.

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