mic preamp circuit
ART TPS2 is a starved tube mic preamp. One 12AX7 tube operating at about 50v plate voltage to add color to the sound. As I intended to build a all solid state p...
headphone jacks
actually i wanted to know about the female connector used in PC for connecting the speaker. i hope u got it. i wanted to know the pin connections of the jacks. ...
toy organ
This circuit produces a tone according to the button being pressed. Only 1 button can be pressed at a time, that`s why it is called a monophonic organ. You can ...
sound activated relay
A circuit that allows you to control a relay in response to sound from a non-amplified sound source (computer, CD player, or my Digital Sound Recorder board). T...
circuit power audio amplifier with
This circuit is a complete application is 2. 1 amp, two satellite speakers for TDA and one for the subwoofer, making the 2. 1 system, widely used in commercial ...
three channel audio mixer circuit
Although the modular Portable Mixer design available on these web pages has become a hit for many amateurs, some correspondents required a much simpler device, ...
vu meter
The 1K resistors in the circuit are essential so that the LED`s turn on at different audio levels. This circuit is easily expandable with more op-amps, and is n...
op amp 6 line audio mixer circuit
As with any audio mixer circuit, a slight loss is always introduced. The final summing amplifier has a gain of 2 or 6dB to overcome this. The Input line level s...
silicon fuzz
After building the Mighty Mite amplifier project, I found that it needed something extra to give it character. I thought a nice Hendrix-style fuzz face would ad...
mighty mite
The completion of a 35 year project to build a practice guitar amp.....
diy tremolo effect circuit
This tremolo effect circuit uses the XR2206 and the TCA730 IC which is designed as an electronic balance and volume regulator with frequency correction. The cir...
audio capacitor installation
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usb sound card
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us style siren
The circuit described here can create three different US-style` siren sounds: police, ambulance and fire engine. The desired sound can be selected using switch ...
um3561 based 4 sound effect generator
This is a really simple sound effect generator based single sound generator chip UM3561. The UM3561 will generate four kinds of sound effects. The basic operati...
multi sound for guitars
Electric guitars use coils (guitarists call them pickups or elements) to convert the vibrations of the strings into an electrical signal. Usually, a guitar has ...
lm 3915 sound level meter circuit
This is a one chip sound level meter that can be use for displaying sound level of an amplifier or simply the sound level from a microphone. The heart of the ci...
audio surround decoder circuit diagram
The operation of the circuit starts up and transport the stereo surround sound signal quality information on the master volume circuit. This will drive the left...
mixer
It`s a relatively straightforward design, and will probably not be the best way of doing this. However, it works fairly well, and is relatively inexpensive to b...
ring modulator
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