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A/B Box Guitar Effect Schematic – Circuit Schematic
A/B Box Guitar Effect Schematic
This is a A/B Box pedal schematic for electric guitar was designed by Rick Barker. This A/B Box effect was originally designed for switching between different h...
3 band equalizer circuit – Circuit Schematic
3 band equalizer circuit
This 3 band equalizer circuit is an active filter network for bass, mid and high audio ranges. It is designed around the LM833 opamp from National Semiconductor...
2x22W Stereo Car Audio Amplifier with TDA1553CQ – Circuit Schematic
2x22W Stereo Car Audio Amplifier with TDA1553CQ
This is a stereo audio amplifier for your car. The circuit is powered by a single IC TDA1553 with some external components, this IC will handle your stereo car ...
2x10 Band Stereo Graphic Equaliser – Circuit Schematic
2x10 Band Stereo Graphic Equaliser
The following diagram is the circuit diagram of 20 band stereo graphic equaliser which will controlling the audio signal in specific frequency range. This circu...
British Police Car Siren – Circuit Schematic
British Police Car Siren
This is the sound generator which will simulate British police car siren. The circuit is built using 2 pieces of timer IC 555 to generate sound frequency. How t...
Vacuum Tube Direct Interface – Circuit Schematic
Vacuum Tube Direct Interface
Requires that DC power be brought into the instrument, either through special cabling or an internal battery. Should not be done to collectible instruments if t...
Audio Electronics – Circuit Schematic
Audio Electronics
How to use a desktop computer to solve the complex arithmetic needed to design state-variable filters for audio use. Construction of a tunable notch filter for ...
Active Plug Classic – Circuit Schematic
Active Plug Classic
A FET impedance converter for use with the Fishman pickup on my Kay orchestra bass. As shown in the schematic below, the circuit is divided into two sections, s...
Strategic Dog Initiative – Circuit Schematic
Strategic Dog Initiative
The second method is to record (realtime) the actual bark in an analog CCD delay line (~100 msec FIFO) and upon recognition that the sound is a bark, the device...
Wildlife Recording in Stereo amplifier design – Circuit Schematic
Wildlife Recording in Stereo amplifier design
This is a reproduction of the filter circuit and mic windshield design referred to in the article "Wildlife Recording In Stereo" by David J Tombs which appeared...
Vox VFS5 foot switch for Vox VT15 and Vox VT30 – Circuit Schematic
Vox VFS5 foot switch for Vox VT15 and Vox VT30
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electronic chime – Circuit Schematic
electronic chime
This page provided to the domain owner free by Sedo`s Domain Parking. Disclaimer: Domain owner and Sedo maintain no relationship with third party advertisers. R...
car audio crossover – Circuit Schematic
car audio crossover
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Drum Solenoid Interface for Tap-Tempo Metronome – Circuit Schematic
Drum Solenoid Interface for Tap-Tempo Metronome
We added an external piezoelectric element to set on the bench top, making it easier for kids to reach. We simply soldered this external piezo element to the sa...
USB RGB LED VU Meter – Circuit Schematic
USB RGB LED VU Meter
This project creates a RGB LED VU Meter which is controlled via USB by a Windows 7 or Vista host machine. The project serves several purposes: Firstly, it demon...
Audio Response with the FT8900 Yaesu MH-48A6J – Circuit Schematic
Audio Response with the FT8900 Yaesu MH-48A6J
Gently work a small screw driver around the mic element rubber boot, and slowly work it out from the mic front casing. Be gentle and take your time. I found tha...
88-89 Prix 3-Piece AM/FM/Cassette/EQ – Circuit Schematic
88-89 Prix 3-Piece AM/FM/Cassette/EQ
Taking the wiring going to the external amp, in the 15 pin connector you will want pins 8 and 9. I believe they are brown/white and dark green/white looking at ...
Boss 400 speakers/amp – Circuit Schematic
Boss 400 speakers/amp
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Audio Output Level Indicator – Circuit Schematic
Audio Output Level Indicator
This unit is designed for monitoring the audio output level across a loudspeaker when carrying out alignment of radios. As no great precision is required, a sim...
Frequency Modulated Sound Card Capture – Circuit Schematic
Frequency Modulated Sound Card Capture
The problem with sound cards is that they bandpass their input signals. So, if you are wanting to record any signals below 20Hz or so, you are out of luck, ordi...