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4440 IC stereo amplifier

Hello Friends, in this post I make a 38 Watt stereo amplifier using LA4440 IC. This is a class AB amplifier. Which can deliver up to 19 Watt RMS output per channel at 4Ω ±15V, Test frequency 1khz. This IC is very cheap and basic.…

2 way active crossover 2.0

Hello Friends, in this post I make a 2 way active crossover. For this crossover I have used 2 pcs. NE5532 IC. But in place of NE5532 IC, you can also use TL072 or 4558D IC. In this crossover, you can easily diversify and control …

Bass Booster

Hello Friends, in this post I make a Bass booster. You can use this b ass booster with any amplifier. This b ass booster can increase the bass up to 2X. For this b ass booster , I have used NE5532 IC. But in place of NE5532 IC,…

Amplifier Bridge circuit

Bridging amplifier channels combines a stereo pair of channels into a single mono output channel. Hello Friends, In this post I make a circuit that you can use to bridge a dual-channel amplifier and get the maximum output of that…

500W Class AB Driver

Hello Friends, In this post I make a Driver for up to 500 Watt class AB amplifier. You can expand this amplifier up to 500 watt using 5 pairs of 2SC5200 & 2SA1943 transistors and 45-0-45V To 50-0-50V 8A To 10A Transformer. Fo…

12V Low Pass Filter

Hello Friends, in this post I make a low-pass filter. You can use this low-pass filter with any amplifier. For this low-pass filter, I have used NE5532 IC. But in place of NE5532 IC, you can also use TL072 or 4558D IC. In this lo…

2 band stereo transistor tone control

This is a 2-band stereo tone control that has excellent quality sound. In this tone control, you can control the high and low frequencies. The high frequency is very clear and the low frequency is also good. I have used this tone…

100W Compact Amplifier

Hello Friends, In this post I make a 100W mono amplifier using a pair of 2SC5200 & 2SA1943 Transistors. which can deliver up to 70W output at 8Ω ±45V and 140W output at 4Ω ±42V. For designing my PCB, I used EasyEda online so…

Dual channel speaker protection

Hello Friends, In this post I make a dual-channel speaker protector, you can use this speaker protector for up to 500+500W amplifiers. This speaker protector has protection and an active Led, so you can easily understand whether …

Simple TDA2030 stereo amplifier

Hello Friends, In this post I make a simple stereo amplifier using TDA2030 IC, which can deliver up to 18W output per channel at 4Ω with 0.5% distortion ±16 V. Sound quality of this amplifier is balanced, and all frequencies are …

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