Circuit Colllection: Audio, Sound, Music, Pre-amp, Power Amplifier, Audio Processing, Generator & Sound Effect, Control, Musical, Measurement & Metering.
Here is a list of Audio related projects I found on various sites. Many of them only contain circuit/schematic, but several is a complete project, including detailed comment, PCB file and even photos.Â
The projects listed here is not mine. I just collect them and arrange the link in my place. Credit for him/her who builds and publishes the projects. Please also notice what the owners say about copyright stuff in their pages.
|
I noticed that some of the hosting servers linked here is not very stable. If you find broken link, let me know.
This page will be updated when I found new project somewhere.
- Digital Volume Control
- FET Audio Mixer
- Transistor Organ
- 50 Watt Amplifier
- 8 Note Tune Player
- 22 Watt Audio Amplifier
- Sound Level Meter
- Microphone Mixer (Anatoly I. Shikhatov)
- Tone Control
- Guitar Fuzz Effect
- Stereo Tube Amplifier (Weslee Kinsler)
- Electronic Stethoscope
Updated on July 11, 2006
- Microphone amplifier
- RIAA phono amplifier
- Low impedance microphone amplifier
- Phono preamp
- Masthead preamp
- Preamplifier for microphone or guitar use
- Simple microphone preamplifier
- Tube microphone preamp
- Simple Stereo Electret Microphone Preamplifier
- Simple Stereo Electret Microphone Preamplifier
- Phono Preamp
- Simple microphone preamplifier
- ECM Mic preamp
- Hi Fi preamp
- Balanced microphone preamp
- Electret mic amplifier
- Audio preamplifier
- Vacuum Tube Microphone Preamp
- FET Preamp Cable
- Audio preamp
Updated on July 20, 2006
- Two transistor audio amplifier
- Personal stereo audio amp
- Headphone amplifier
- 1.5W Audio amplifier
- Low-level audio amp
- 10W amplifier
- 80W amplifier
- LM383 12V Amplifier
- 18W Audio amplifier
- 25W MOSFET amplifier
- Headphone amplifier
- Portable headphone amplifier
- 2W amplifier
- 4W amplifier
- 8 watt audio amp
- 20W Amplifier
- 50W Amplifier
- 100W RMS Amplifier
- 2-Channel Power Amplifier
- 25W MOSFET audio amplifier
- 50W audio amplifier using ICL8063
- Amplified ear for surveillance
- Push-Pull Class A Amp using type 5687 dual triodes
- Push-Pull Class A 2A3 Stereo Amp
- Single Ended Class A2 SV811-10 Stereo Amp
- Audio amplifier output relay delay
- Spatial Distortion Reduction Headphone Amp
- HeadBanger Headphone Amp
- 2W Amplifier
- TDA2030 8 Watt amplifier
- Headphone monitor amp
- 50W audio power amplifier
- High quality exponential VCA ?
- 16 Watt amplifier
- 8 Watt amplifier
- Power amp schematic (PDF)
- 20 Watt Class-A Power Amplifier
- El-Cheapo - A Really Simple Power Amplifier
- Single Chip 50 Watt / 8 Ohm Power Amplifier
- Hi-Fi Headphone Amplifier
- 100W Guitar Amplifier
- Death of Zen (DoZ) - A New Class-A Power Amp
- Soft-Start Circuit For Power Amps
- Thermo-Fan To Keep Your Amp Cool
- Audio Amp Output Power Limiter
- 55W (Originally 75W) Power Amplifier
- 300W Subwoofer Power Amplifier
- 20 Watt / Channel Stereo Power Amplifier
- Mini bench amplifier (LM386)
- 12 Watt Valve Guitar Amp
Updated on July 21, 2006
- Electronic siren
- Two-tone siren
- Underwater microphone
- Code practice oscillator
- Noise generator
- Electronic whistle
- Twin-T Audio Sine Wave Oscillator
- 1.5V Audio Amplifier
- Low Power Op-Amp - Audio Amp (Intercom)
- 555 Tone Generator (8 Ohm Speaker)
- 3 Transistor Audio Amp (50 milliwatt)
- Low Frequency Sinewave Generator
- Automatic Charger for Battery Operated Hi-Fi Preamps
- Audio level indicator
- Room noise detector
- Amplifier timer
- Bell ring generator
- Amplified ear
- Precision audio millivoltmeter
- Six-channel Mixer and Amplifier
- Audio Signal Source
- Analog VU meter
- Voltage controlled amplifier
- Audio graphic equaliser
- Intercom preamp
- FET audio mixer
- Microphone mixer
- Tone control
- Digital volume control
- Sound level meter
- Three band Active Tone Control
- Automatic gain control (AGC) circuits
- Audio frequency meter
- Bull Horn
- Sound Mixer/Amplifier
- Very loud beeper (PDF)
- Digital noise generator (PDF)
- Tone display system
- Tube amplifier
- Condenser microphone hookup
- Phase shifter
- Paradoxical Sound Syntheizer
- Digital volume control
- Electronic attenuator
- Speech recorded using ISD2560
- Automatic loudness control
- Three channel audio spectrum analyzer
- Base / treble control circuit using LM1036N
- Cuckoo sound generator
- Room noise detector
- Various tube crossover circuits
- Bias circuits
- Audio line isolator
- Dynamic microphone to electret microphone input
- Line level signal to microphone input adapter
- Simple two line output combiner
- Electret microphone powering circuits
- Use amplifier phono input as line level input
- Speaker signals to line level inputs
- Spring reverb unit
- Sine wave generator
- Simple amplifier
- 3-Band equalizer
- 6-Input mixer
- Door-phone intercom
- Stereo line driver
- Audio notch filer
- Peak reading audio level meter
- Tone control
- Speaker Microphone Circuit
- Electronic canary
- Electronic siren
- Microphone phantom power supply
- Voltage Controlled Mixer w/Modulator
- Dual Voltage Controlled Oscillator w/Modulator
- Dual Voltage Controlled Filter w/Modulator
- Stereo Ducker
- MS Stereo Decoder
- MS Stereo Microphone
- RIAA Equalized Stereo Phono Preamp
- Tube active crossover
- Improved PL tone decoder
- Magnetic cartridge amplifier
- LM358 preamp
-
Sound detector
- Tone detector
- Tone generator
- Warbler
- Voltage Controlled Panner
- Low Noise Microphone Preamplifier
- Bridging Adapter For Power Amplifiers
- Simple Surround Sound Decoder
- Simplest Ever Amplifier Bridging
- Stereo Width Controllers
- Power Amplifier Clipping Indicator
- Phono Preamps For All
- Digital Delay Unit For Surround Sound
- Parametric And Sub-Woofer Equalizer
- High Quality Sound Mixer
- Loudspeaker Protection and Muting
- Direct Injection Box for Recording & PA Systems
- Minimalist Discrete Hi-Fi Preamp
- Signal Detecting Auto Power-On Unit
- Load Sensing Automatic Switch
- Amplifier thermal protection
- Active Sub-Woofer and Controller
- Balanced Line Driver & Receiver
- VU And PPM Audio Metering
- Variable Amplifier Impedance
- Linkwitz Cosine Burst Generator
- Low Noise Balanced Microphone Preamp
- Fast Audio Peak Limiter
- Subwoofer Equalizer
- Surround Sound Decoder Mk2
- Audio mixer
- 8 Watt Audio Amp
Updated on July 21, 2006
- Audible metronome
- Visual metronome
- Peak-reading meters
- Octave screamer
- Amiga MIDI interface
- Apple Mac to MIDI synthesizer interface cable
- Apple Macintosh MIDI interface schematic (basic version)
- Apple Macintosh MIDI interface schematic (deluxe version)
- Standard MIDI to MIDI interface cable diagram
- Simple MIDI switcher
- MIDI interface / cable tester
- MIDI keyboard
- MIDI merger schematic
- 25-pin PC serial port to MIDI synthesizer interface cable
- 9-pin PC serial port to MIDI synthesizer interface cable
- Serial MIDI interface
- Microcontroller MIDI interface
- MIDI keyboard circuit
- Spring reverb unit
- MP3 Player
- Metronome and pitch generator
- Mini metronome
- Compact Flash / IDE MP3 Player MKI
- Simple colour organ
- Guitar fuzz effect
- 8 note tune player
- Colour (Sound) Organ
- Transisor organ
- BookPC Car MP3 Player
- Yet Another Mobile MP3 Player
- Wave Multiplier for music synthesizers
- Vibrato Circuit for Guitar, Steel, Bass, Etc.
- Miniature metronome
- Zonk Machine and Treble Booster
- Simple line mixer
- Simple MIDI tester
- MIDI Controller Footpedal
- DIY Serial MIDI Interface (80C51/80C31 Version)
- Electronic metronome
- Sound Effects Generator
- Sound Effects Generator 2
- Digital Guitar Tuner
- Drum tone oscillators
- Analog MIDI synthesizer
- Spring reverb
- MIDI to CV interface
- Dual phantom power pre-amp
- Four channel fuzz box
- Theremin controller
- Vocal zapper
- MIDI drum machine project
- MIDI Drum Machine Analog Input Schematic
- Guitar Reverb Pedal
- Guitar Tremolo Unit
- Spring Reverb Unit For Guitar
- Ultra Simple Bass Guitar Compressor
- Vox AC30 Guitar Amplifier Simulator
- Guitar Vibrato Unit
- Musical Instrument (Expandable) Graphic Equaliser
- Midibox 64
Source:
- http://hardwarebook.net
- http://www.circuits-city.com/
- http://aaroncake.net
- http://ee.washington.edu
- http://www.web-ee.com
- http://www.electronics-lab.com
and many other sites… see the link.
Possible Related Entries:
![[Embedded System roll-b]](images/roll/roll-b-4.gif)












