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Audio Amplifier Circuits
Audio Amplifier Circuits
TDA7384 class AB Audio Power Amplifier circuit design electronic project
The input capacitor is for the low frequency cut-off and the standard value for the input capacitors is 0. 1uF ( the cut-off for this value is amount to 16Hz).
TDA8560 class B power amplifier circuit design project
A very simple class B power amplifier can be designed using TDA8560 audio IC. The TDA8560 amplifier has an internally fixed voltage gain for excellent channel balance. This audio amplifier electronic project will provide a dual 40 watt output power. This audio amplifier IC is specially designed for car audio applications. A diagnostic facility s
TDA8571J car audio amplifier electronic project circuit design
This electronic circuit diagram is an audio power amplifier based on TDA8571J integrated circuit, class-B output amplifier with four amplifiers in a BTL configuration, each with a gain of 34 dB. Main features of the TDA8571J amplifier circuit are : high output power, low output offset voltage, diagnostic facility (distortion, short-circuit and te
TDA8920BTH 200 watts d class amplifier circuit diagram
This high power class D audio amplifier electronic project is designed using the TDA8920BTH audio power amplifier IC. This power amplifier audio IC has a very high efficiency with very low dissipation, providing a very high output power. The typical output power is 200 watts ( 2 x 100 W). The TDA8920BTH 200 watts d class amplifier operates over
LM386 Low Voltage Audio Power Amplifier
The LM386 is a power amplifier designed for use in low voltage consumer applications. The gain is internally set to 20 to keep external part..
5000W ultra-light high-power amplifier without switching-mode power supply
This circuit is of an 2x 2, 500W RMS stereo amplifier, super-light and without switching-mode power supply. The circuit just shows a channel, and the power supply that it assists to the two channels. The audio circuit should be duplicated, but the power supply assists to the two channels without problems. A special care should be destined to the in
Tiny audio amplifier using LM386
class b audio amplifier
STK4050V audio amplifier circuit
This 200 watt audio amplifier circuit diagram is based on STK4050V high power audio amplifier IC and is designed do deliver up to 200 watts audio power on a single channel . STK4050V 200 watt audio amplifier circuit is pin compatibility with other STK amplifiers series . Because of current mirror circuit application the distortions are reduced...
LM12 150W Audio Amplifier
LM12 operational amplifier can output currents up to 10A. The LM12 in encapsulated in TO-3 with 4 pins, can support up to 800W and has enough internal prot..
TDA1562Q 50W Car Audio Amplifier
One car audio amplifier with TDA1562Q that can output 50W of audio power. TDA1562Q car amplifier circuit diagram 2 resistors 1 KOhms 2 resistors 4,7 KOhms..
TDA7394 2x30W Car Atereo Audio Amplifier
This car audio stereo amplifier can deliver up to 30W on each speaker and it is build with TDA7394 from Philips TDA7394 datasheet..
Miniature Audio Amplifier Circuit
This miniature audio amplifier delivers up to 250mW and can be used like a final stage audio amplifier for radio sets. The schematic is very simple: one BC..
LM2896 Car Audio Amplifier Circuit
This car stereo booster uses an LM2896 IC which has two integrated amplifiers. It can be powered with voltages up to 15 volts. The power output is 2. 5 watts per channel with an 8 © load and supply voltage of 12 volts. Using the bridge tehnique in the circuit gives a power output of 9 watts. The car audio booster can be powered up from 3 up to 15
240W MOSFET Power Audio Amplifier
Audio Amplifiers from Class A to T
The final amplifier is the power source of every audio installation. Its job is to convert a small alternating voltage into a powerful signal for driving l..
70 Watt MOSFET Audio Amplifier
This simple power mosfet audio amplifier circuit, with TL071C and 2 MOSFETs (IRF9530 and IRF530) can deliver up to 45 Watts on 8 © speaker. This schematic is based on Siliconix application and on variations of voltage on the 2 resistors that are serial inserted on the voltage supplier of the operational amplifier driver. The MosFet transistor mus
TDA1562Q Audio Amplifier Circuit
At low output power, up to 18 W, the device operates as a normal BTL amplifier. When a larger output voltage swing is required, the internal supply voltage is lifted by means of the external electrolytic capacitors. Due to this momentarily higher supply voltage the obtainable output power is 70 W. The heatsink should be designed for use with music
TDA1514 40 Watt Audio Amplifier Circuit
This is a compact, easy to build amplifier that uses one IC only but delivers 40 watts of audio power. It is ideal for amplifying audio from your mobile CD player or iPod. The chip being used here is the TDA1514 originally brought to the market by Phillips/Valvo. The best characteristics of this chip is its high output power and robustness. It is
30W Power Audio Amplifier Circut
TIP141 si a npn silicon power darlingtons designed for complementary use with TIP145, TIP146 and TP147. Can stand up to 125 W at 25 °C Case Temperature, 10 A Continuous Collector Current and has a minimum hFE of 1000 at 4 V, 5 A. This home audio amplifiercan output 30W with a +- 32V symmetric power supply. If you want a stereo power amplifier plea
LM386 Audio Amplifier Circuit
The integrated chip LM386 is a low power audio frequency amplifier requiring a low level power supply (most often batteries). It comes in an 8-pin mini-DIP package. The IC is designed to deliver a voltage amplification of 20 without external add-on parts. But this voltage gain can be raised up to 200 (Vu = 200) by adding external parts. The extern
200W Transistor Audio Amplifier Circuit
This audio amplifier circuit delivers up to 200 W of top-class quality for loudspeaker from 4 to 16 ohm. Operating voltage is between 24 and 36 V, max 5 A
LM317 Audio Amplifier
You probably know that LM317 IC is used as an adjustable voltage regulator, but did you know it can be used as an audio amplifier? This is a class A audio..
TDA7294 Audio Amplifier Circuits
TDA7294 is a monolithic integrated circuit in Multiwatt15 package, with high output power (up to 100W) intended for use as audio class AB amplifier in Hi-F..
200W Hybrid Audio Amplifier Circuit
Connecting two TDA2030 thru cheap power transistors we can create a amplifier wich can deliver a higher power. With the components value from the schematic..
Choosing Components Audio Amplifier
1.5W Audio power amplifier (12V)
ICs have largely replaced circuits such as this, this circuit still finds use where the flexibility of a discrete device design is desirabe. Parts are easy to obtain and the problem of IC obsolescense is eliminated. The TIP31A can be heatsinked to a small metal heatsink, if desired.
Two transistor audio amplifier circuit
LA4555 Audio Amplifier
LA4555 Audio Amplifier Stereo circuit and mono circuit are given in schematic .LA 4555 is basically a stereo amplifier with 2.3 watts into 4 ohms speakers at a total dis..
LM 386 Audio Amplifier
LM 386 Audio Amplifier LM386 is one of the earliest audio ICs but is still going strong. It works with a few external components and is indispensable for general hobby circui..
Audio amplifier output relay delay
This is a simple circuit which I built to one of my audio amplifier projects to control the speaker output relay. The purpose of this circuit is to control the relay which turns on the speaker output relay in the audio amplifier. The idea of the circuit is wait around 5 seconds ofter the power up until the spakers are switched to the amplfier outp
Audio Filters Circuits
Audio Oscillator Circuits
Audio Mixer Circuits
Audio Equalizer Circuits
Audio Tone Balance Circuits
Beeper Buzzer Circuits
Vacuum-Tube Valves Circuits
Musical & Effects Circuits
Ultrasonic distance finder circuit
The circuit described here uses ultrasonic oscillations and operates based on the propagation velocity of these oscillations in the air. Thus, we can easily determine the distance of two points if the time within which the wave travels this distance is measured. There are three main categories of distance measurement methods in use: a) By...
Simple Metal detector circuit with CD4030
Sometimes the precious metals are hidden too deep and are not detected except with complicated devices. In many cases, however, small pieces of precious metal buried near the surface can be detected by relatively simple means. Everyone is very attractive to find something potentially valuable, hidden a few centimeters below the soil. So many...
Fully automatic watering circuit for flower pots
Many times for various reasons we forget or can not water the plants that we have in our homes. And many humidity sensors units just notify us with a beeping sound or with a flashing light, that the pot needs watering. But what if we are away from home? This circuit comes as a solution to this problem. Depending on humidity of the pot at...
Simple deep searching metal detector circuit
The principle behind a metal detector is really very simple. Proof of this is the circuit that follows, in which it proves that the construction of a metal detector can be done in the minute, with few components that we find very easily everywhere. With the circuit of this metal detector, it is possible to detect a metal coin in depth of 90 to...
Sub-Harmonic Bass Converter for Electric Guitars
The sub-harmonic bass generator is a sound producing unit for guitars. The sound it produces looks very much like that of the bass guitar. The octave generator is sometimes quite unusual since it does not produce any of the usual ways of coloring the sound, such as filtering or distortion. Instead, a frequency division system produces outputs...
Echo Depth Sounding Sonar for Boats
In the past the sounding (sea bottom measurement) was done with the "bullet", that is, with a heavy lead object that the seamen plucked into the sea hung from a calibrated rope. As soon as the "bullet" reached the bottom, the depth appeared directly from the calibration of the rope. This arrangement still exists in some yachts. The big...
100W HiFi Audio Amplifier Circuit
This Amplifier was designed to have the following specifications: Distortion less than 0.1% at full power of 100W even at 20KHz. Power has to be attributed to an extended bandwidth. The output transistors must be protected against short circuits. The power supply must be symmetrical so that no electrolytic capacitors are needed at the outlet....
Plant-Pot Water Level Indicator Circuit
A series of LEDs serve to alert the gardener when plants need water. Using two conventional digital integrated LEDs and a series of LEDs, we make a very useful device for gardening. The device detects the amount of water in the pot and alerts the grower. The circuit of the device is shown in Figure 2. The water detection is made from the bottom...
Analogue Sound Preasure dB-Meter Circuit
The best human ear can capture sounds from 20Hz to 20KHz. These limits are known to be the broadest that can exist. Normally the normal limits range from 100Hz to about 13KHz and depend on the age and health of the individual. We for our measurements and to have a good accuracy we will get the limits of 20Hz to 20KHz. A sound to be heard does...
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