Quality Stereo Wireless Microphone or Audio Link
This stereo FM wireless microphone also makes a great quality audio link. We tested it to beyond 50 meters and it was rock solid. It`s certainly not the first w...
Portable Audio Amplifier circuit diagram
This is simple portable audio amplifier circuit. This circuit built based on IC TEA2025 which is a monolithic integrated audio amplifier in a 16-pin plastic dua...
Microphone Pre-Amplifier with Tone Control
Microphone can`t be directly connected to a power amplifier because the signal is too weak. Standard audio power amplifier accept about 1 Vrms to give a full....
Mic Pre-Amp with Clipping
Signal clipping is usually avoided in most application, but we can find some useful examples where clipping is intentionally employed in audio processing. One ....
Magnetic-Pickup Phono Preamplifier Circuit
Preamplifier circuit provides the proper loading for phono cartridges reluctance. This provides about 25 dB at 1 kHz gain (2.2 mV to 100 mV input output), featu...
Low noise microphone preamplifier circuit
The microphone preamplifier circuit design presented in this schematic use SSM2015 produced by Precision Monolithics Inc. (PMI) which offers a high amplifi....
Low Cost High Level Preamp and Tone Control Circuit
For the best advantage as a low noise high input impedance device, the preamp and tone control uses JFET. If the circuit reaches harmonic distortion levels of....
Laptop Audio-Out Splitter
This active splitter for laptop audio-out is powered from a USB and provides individual channel gain of 39 dB and individual volume control of a head-phone chan...
LM381 4 channel audio mixer circuit design
LM381 4 channel audio mixer circuit design project using few common electronic parts...
LM324 Based LED VU-Meter
The circuit was conventionally designed with eight LED audio level meter made out of two low power quad op-amps which utilizes LM324. Volume Unit ....
LED VU Meter by IC LM3914
This is Circuit LM3914 LED VU Meter. use IC1-LM3914 and Transistor BC109C, By circuit will show level of audio signal(power Music) is dB in six level by LED....
Keypad-Operated Switch No.2
Speaker relay delay controlling circuit for audio amplidier...
VU Meter 4
The circuit is placed parallel with the exit of power amplifier and us gives the level of signal ,from output. Changing resistance R1, in the input circuit, we ...
VU Meter 3
A very simple circuit of indication of level, with 10 Led. Is used the circuit of half-wave rectification of precision round the IC2, with gain one. With switch...
Cuckoo Sound Generator Circuit Schematic
This circuit generates a two-tone effect very much alike the cuckoo song. It can be used for door-bells or other purposes thanks to a built-in audio amplifier a...
HI-FI simple Tone Control Circuit using the LM301A
This circuit is a simple series of tone control circuit. This tone control circuits using OP-Amp LM301A. The JFET 2N3684 provides high input impedance function ...
DIY an USB Audio DAC and Leave More Green Cow in Your Wallet
Have immensely interest in the audio DAC design, and would like to DIY a low cost but powerful audio DAC Ok, now you have the chance, as you`ll learn to create ...
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. T....
Camera Switcher
Speaker relay delay controlling circuit for audio amplidier...
Bass Treble Loudness Tone Control Witha LM1036
LM1036 is a DC controlled tone (bass/treble), volume and balance circuit for stereo applications in car radio, TV and audio systems. Component: ....