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Monday, October 16, 2017

Parallel Gainclone Power Amplifier LM3886

Paralleling Gainclone Power Amplifier LM3886
For you audio enthusiasts, it is not unfamiliar with this LM3886 IC. This IC is very popular by various DIY audio circles because this amplifier has a small distortion, very small. Also called Gainclone Amplifier, which is very similar to the performance with Amplifier Tubes. And it is also suitable for controlling speaker subwoofer let alone combined with Power Amplifier Circuit using IC LM1875, is perfect for your home theater audio usage. See also: Stereo Gainclone Power Amplifier LM1875


The basic circuit power amplifier uses one IC LM3886
Power Amplifier Gainclone
PCB Power Amplifier LM3886
Gainclone Power Amplifier LM3886 Circuit

[VIDEO] Basic LM3886 PCB Less

IC LM3886 which can power up to 135W Instantaneous Peak Output Power Capability. And 68W Continuously, if supplied with 35V DC voltage.

For the purpose of subwoofer then also require power which is also not small. So here I will share the LM3886 parallel circuit to increase the power of this Power Gainclone. Here's the circuit scheme and also the PCB Layout:
Circuit Diagram of Parallel LM3886
Component Lists:
R1=47K
R2=10K
R3=200K
R4=
R5=0,22R 3W
R6=
R7=10K
R8=200K
R9=5K1
R10=0,22R 3W
R11=2K2 1W

C1=4u7
C2=200pF
C3=47pF
C4=
C5=
C6=200pF
C7=47pF
C8=100uF/50V
C9=100N

U1=LM3886/ LM3886TF
U2=LM3886/ LM3886TF

You can use more LM3886 by multiplying the circuit diagram.

PCB Gainclone amplifier

PCB Layout LM3886 Power AMplifier Parallel

Prallel Gainclone LM3886

LM3886 Gainclone Power Amplifier

 See also:Super Bass LM3886 Power Amplifier

See also LM3886 Stereo:

Electronic Circuit is a good site for hobbyist also who would like to try DIY because it shared good circuits. If you have a personalized circuit requirement you may feel free to request it through the comment box or contact me.


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