20W Hi Fi Amplifier Circuit with LM1875

| July 7, 2023 Updated
20W Hi Fi Amplifier Circuit with LM1875

According to the standard scheme for LM1875 beautiful design pcb design will certainly give better quality sound extremely simple understandable way 🙂

Frequency Response: 14 Hz to 100kHz Harmonic Distortion: “0.04% SNR: 105 dB Rated output power: 20 W


LM1875 Integrated Circuit use the computer without connecting to the Cooler cooler can use in power supply

LM1875 Amplifier schematic

lm1875_anfi_devresi

Symmetrical Power Supply Circuit Diagram

anfi_besleme_devresi

Part List

Amplifier circuit

1Ω 1w
10Ω
1k 2 pcs
22k 2 pcs
1MΩ

2.2uf 16 volts Non-Pole
22uf 16 volts Non-Pole
220uf 35 volt 2 pcs
330pf 50 volts
100nf 63v 2 pcs
220nf 100v

LM1875
2.5 A Fuse 2 pcs
2 fuse holders
Double Terminal 2 pcs
triple terminal

Symmetrical Supply Circuit

1N5404 4 pcs
4700uf 35 volt 2 pcs
Triple clips 2 pcs
2×18v 60 watt Transformer


LM1875 pcb file (Sprintlayout- 5) :

20W Hi Fi Amplifier Circuit with LM1875

Password: 320volt.com

Published: 2008/03/23 Tags: , ,



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