Boomer Audio Power Amplifier Using LM4906
The well-known LM386 is an excellent choice for many designs requiring a small audio power amplifier (1-watt) in a single chip. However, the LM386 require.....
Audio Booster
Small and portable unit, Can be built on a veroboard The amplifier s gain is nominally 20 dB. Its frequency response is determined primarily by the value.....
Amplifiers and Loudspeakers Protector with IC LM393
The short circuit proof outputs of amplifiers and speakers, throw some interesting elements, such as the isolation of the speakers from the exit of the am.....
Amplifier with Tone Controls and Soft Switching
Built around an LM380, this amplifier includes tone controls and electronic “soft switchingâ€. The soft switching circuitry ensures power is b.....
8 Watt Audio Power Amplifier Schematic
*Useful circuit for self-powered speakers, Radios, TV, can be used as car power *amplifier Here is the schematic for an 8 watt audio power amplifier. This.....
60 Watt Guitar Amplifier
This design adopts a well established circuit topology for the power amplifier, using a single-rail supply of about 60V and capacitor-coupling for the speaker(s...
60 Watt Bass Amplifier
Low-cut and Bass controls, Output power: 40W into 8 Ohm and 60W into 4 Ohm loads This design adopts a well established circuit topology for the power ampl.....
6 Watt Hi Fi Audio Amplifier Using TDA2613
A 6 watt audio amplifier circuit using TDA2613 is shown here. TDA2613 is an integrated Hi-Fi audio amplifier IC from Philips Semiconductors. The IC is swi.....
45 Watt Class-B Audio Power Amplifier
These goals were achieved by using a discrete-components op-amp driving a BJT complementary common-emitter output stage into Class B operation. In this way, for...
30 Watt Audio Power Amplifier
Including Preamp, Tone Controls, Reg dc Power Supply, 18 Watt into 8 Ohm 30W into 4 Ohm loads This project was a sort of challenge: designing an audio a.....
25 Watt Audio Amplifier
This is a 25 Watt basic power amp that was designed to be (relatively) easy to build at a reasonable cost. It has better performance than the standard STK modul...
22W Stereo Amplifier Using TDA1554
Here is the 22 watt stereo audio power amplifier circuit diagram based on TDA1554 and integrated circuit from NXP semiconductors (formerly PHILIPS semicon.....
22 Watt Car Subwoofer Amplifier
22W into 4 Ohm power amplifier, Variable Low Pass Frequency: 70 150Hz This unit is intended to be connected to an existing car stereo amplifier, adding.....
18 Watt Audio Amplifier
High Quality very simple unit, No need for a preamplifier Amplifier parts: P1 = 22K R1 = 1K R2 = 4K7 R3 = 100R R4 = 4K7 R5 = 82K R6 = 10R-1/2W R7 = 22R R8.....
10w audio amplifier with bass boost
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VHF Amplifier with 30 Watts Power
The circuit was designed for the purpose of increasing an input signal of 4 Watts to 6 Watts operating on the VHF radio frequency band specifically the FM.....
TDA7294-Based Power Amplifier for Audio Circuits
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Protection Circuit for Power Amplifier Output and Loudspeaker
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Modular Buffer Preamplifier in Class A Operation
The circuit was designed to create a modular Class A buffer preamplifier in order to isolate stages in an audio circuit. BF245 a general purpose N-Chann.....
Mini Audio Amplifier with MOSFET Technology
Parts List The circuit consists of preamplifier, tone controls, and regulated DC power supply, while providing a power output of 18 Watts for 8 Ohm load a.....