Car subwoofer filter

Here is the circuit diagram of a simple subwoofer filter that can be operated from a 12V DC supply. Such a circuit is very useful in automobile subwoofer applic...

Car Stereo Amplifier Diagram and Schematics using TDA1553 IC

A car stereo amplifier circuit that can be used in automobiles, designed using Class-B audio amplifier TDA1553, with circuit diagram and schematics.....

Baxendall tone control circuit

This simple tone control circuit is designed based on the famous Baxendall tone control circuitry. The circuit given here can give a maximum cut or boost of aro...

Audio Wattmeter or Audio Power/Level Meter Circuit with Diagram

A simple audio watt meter circuit or an audio power or audio level meter circuit with diagram and schematics to measure amplifier audio output power in watts.....

Audio monitoring system

Here is the circuit schematic of a simple audio surveillance system in which the transmitter will pickup sound from one location and the receiver at other locat...

Audio line driver

This is the circuit diagram of a two channel audio line driver using the high performance dual opamp IC TSH22 from ST Microelectronics. The 25 MHz bandwidth, lo...

Audio level meter circuit - VU Level Meter

A simple audio level meter or a Volume unit VU level meter circuit with diagram and schematic. This sound level meter is designed using transistors with a flat ...

Audio Distortion Meter Circuit with Diagram

Here is a simple 1KHz audio distortion meter that can measure the Total Harmonic Distortion (THD) on any load at any out put power. Here you have the option to ...

Audio clipping indicator circuit

This circuit can be used to identify whether there is a clipping in a particular wave form. Clipping is a phenomenon in which the amplitude of a particular wave...

Active Crossover Circuit-Schematic-Design and Diagram

Active crossover circuit design,circuit diagram,schematic, diy active crossover circuit,HiFi audio crossover, 2 (band) way crossover circuit using LM833.....

5 band graphic equalizer using LA3600

The graphic equalizer shown here is based on the IC LA3600 from Sanyo Semiconductors. LA 3600 is a single integrated single Op-amp, 5 band graphic equalizer IC ...

3 W Stereo amplifier using MAX 7910-Audio power amplifier circuit

An audio power amplifier circuit for 3 watts stereo amplifier using max 7910 IC is explained below.....

3 input microphone preamplifier

The circuit given here is of a three input mic mixer cum preamplifier using the IC LM348. The LM348 is a high gain, internally compensated quad operational ampl...

3 Input mic mixer circuit

Here is a simple 3 input mic mixer circuit using the popular uA 741 ICs. Four 741s are used here. IC1, IC2, IC3 are used as preamplifiers. They produce a gain o...

3 channel audio splitter

Here is the circuit diagram of a simple 3 channel audio splitter based on the IC NE5532. NE5532 is a dual internally compensated low noise opamp from Fairchild ...

3 Band graphic equalizer circuit

Here is the circuit diagram of a simple 3 band graphic equalizer circuit using a single IC and few components. The IC used here is LF 351 which is a wide bandwi...

3 Band graphic equalizer circuit

Here is a simple 3 band graphic equalizer circuit made of a single op amp IC LF351 (IC1) and few passive components. The component values of this circuit are no...

Simple condenser microphone mini audio amplifier circuit schematic

This is a very useful and simple circuit diagram for amplifying weak signal from a capacitive condenser microphone. You can use this circuit for sound sensing a...

555 timer IC audio amplifier circuit schematics

Here we are going to discuss about a simple timer IC 555 project. The 555 timer IC can be used as an audio amplifierwithastable multivibrator configuration. It ...

Robot Voice Generator IC HT8950

This project shows you how to build a robot voice generator with IC HT8950, a powerful voice modulating IC. The circuit has Robot function, Vibrato function and...