LM386 Audio Amplifier with Bass Boost

CET20_Devon
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LM386 Audio Amplifier with Bass Boost
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LM386 - Old
LM386 - Old

Devon Nelson

LM386 Surface Mount Audio Amplifier with Bass Boost
LM386 Surface Mount Audio Amplifier with Bass Boost

CET20_Devon

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Published: April 10, 2020 Complete

Project Description

Project description

This is an audio amplifier for a small speaker. Large potentiometers were used to attach knobs for manual control. Power terminal will connect to a DC jack mounted at the back of the enclosure for external 9V DC power supply. Speaker terminal will connect to a small 2.5" speaker at the front of the enclosure. Signal terminal will connect to a 3.5mm jack mounted at the back of the enclosure.

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Component (10)
Qty
Description
ECQ-E4333KF

C9

1
Plastic Film Capacitors
ECQ-E6104JF

C2, C5, C7

3
0.1µF Film Capacitor 630V Polyester, Metallized Radial
OSTTC020162

Audio In, 9V DC Power In, Speaker Out

3
TERMINAL BLOCK 5MM VERT 2POS PCB
EKZN250ELL102MK16S

C1

1
CAP ALUM 1000UF 20% 25V RADIAL

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