- "Anti-RIAA" Equalizer for Line to Mag Phono Converter (PDF)
- 1 Watt audio amp using a TDA7052
- 12 watt audio amplifier with tone using TDA1020
- 3 Channel Spectrum Analyzer
- 3-Band audio graphic equalizer
- 4 channel audio selector
- 5 watt audio amplifier using TDA1010
- 6-Input mixer
- Acoustic Simulator for Headphone Amplifiers
- Active Sub-Woofer and Controller
- Actvie speaker based on a dual op-amp (LM833) and TDA2030 power amp
- Amplifier thermal protection
- An Audio Limiter for NBFM use
- An Audio-Noise-Based Voting Circuit
- Analog Synth Keyboard Schematic
- Assortment of Siren Circuits
- Audio DAC3 (SPDIF->Analog Audio)
- Audio Detector Circuit
- Audio graphic equaliser
- Audio Indicator - monitor a loudspeaker, alarm, or audio source for presence of an audio waveform
- Audio line isolator
- Audio mixer
- Audio Signal Source
- Audio Spectrum Analyzer and Equalizer Designs
- Audio Speech Processor
- Audio VU Meter based on pair of LM324 quad opamps
- Automatic Charger for Battery Operated Hi-Fi Preamps
- Automatic loudness control
- Balanced Line Driver & Receiver
- Base / treble control circuit using LM1036N
- Bass booster using a TL702 opamp
- Bass EQ pre-amp correction for high impedance ceramic crystal pickup
- Beat Tracking Strobe
- Big Ben sound effects generator
- Bridging Adapter For Audio Power Amplifiers
- Bridging Adapter For Power Amplifiers
- Cicuit diagram for super long range microphone for use with a shotgun microphone or parabolic dish
- Clack Clack Electronic Bell
- CMOS IC 1 kHz Audio Oscillator
- Condenser microphone hookup
- Cuckoo sound generator
- Cuckoo sound Generator
- DC Fault Protection Circuit for Audio Amplifiers
- Digital Delay Unit For Surround Sound
- Digital noise generator (PDF)
- Digital volume control
- Digital volume control
- Digital Volume Control based around CD4067 CMOS chips
- Digital Volume Control using DS1669 Digital Pot IC
- Digital Volume Control using DS1669
- Direct Injection Box for Recording & PA Systems
- Doorphone intercom
- Dual Voltage Controlled Oscillator w/Modulator
- Dynamic microphone to electret microphone input
- Electret microphone powering circuits
- Electronic attenuator
- Electronic Canary
- Electronic canary sound effects
- Electronic siren
- Envelope generator ADSR
- Fast Audio Peak Limiter
- FET Audio Mixer
- FET audio mixer
- Guitar Reverb Effect Version 2
- High Quality Audio Mixer
- High Quality Sound Mixer
- Improved PL tone decoder
- ISD4002-120 audio recording circuit
- JFET Bass Preamp
- Line level signal to microphone input adapter
- Linkwitz Cosine Burst Generator
- LM358 preamp
- Load Sensing Automatic Switch
- Loudspeaker Protection and Muting
- Loudspeaker Protection and Muting
- Low frequency / audio frequency dB output meter
- Low Noise Balanced Microphone Preamp
- Low Noise Microphone Preamplifier
- Magnetic cartridge amplifier
- Microphone Mixer
- Microphone mixer
- Microphone phantom power supply
- Minimalist Discrete Hi-Fi Preamp
- Minimum Theremin Kit Schematic
- Mono To Stereo Synthesizer / Simulator
- MS Stereo Decoder
- Musical Electronic Bell
- NE555 drives a speakes: Pulse Width Modulation Amplifier
- Noise-Canceling Headphones circuit diagram based on NE5322 opamps
- Novel buzzer using a relay and transformer
- Panner Waveform Generator
- Parabolic microphone project circuit (can be used with shotgun directional microphone also)
- Paradoxical Sound Syntheizer
- Parametric And Sub-Woofer Equaliser
- Peak reading audio level meter using CA3140 opamp
- Peak-reading meters
- Phase shifter
- Phono Preamps For All
- Police Siren
- Power Amplifier Clipping Indicator
- Power Amplifier Clipping Indicator Circuit Diagram
- Precision Audio Millivoltmeter
- RC Audio Oscillator
- RDS Encoder
- Regulatable audio amplifier using a 741opamp
- RIAA Equalized Stereo Phono Preamp
- Room noise detector
- Room Noise Detector
- SCMS killer circuit for DAT decks using Sony CXD2601 signal processor chip
- Signal Detecting Auto Power-On Unit
- Simple electronic buzzer
- Simple Surround Sound Decoder
- Simple two line output combiner
- Simplest Ever Amplifier Bridging
- Six-channel Mixer and Amplifier
- Sound activated relay, V1
- Sound activated relay, V2
- Sound alarm based on LM741 opamp and LM386 amplifier
- Sound detector
- Sound Level Meter
- Sound level meter
- Sound operated switch
- Sound Pressure Level Meter
- Speaker cabinet simulator - professional-quality frequency response in a DIY-friendly circuit
- Speaker Microphone Circuit
- Speaker signals to line level inputs
- Speech recorded using ISD2560
- Spring reverb unit
- Stereo Audio Isolator
- Stereo Audio Isolator
- Stereo audio line driver for running audio over long distance cables
- Stereo LED VU meter using discrete components (BC547 transistors)
- Stereo Width Controllers
- Subwoofer Equaliser
- Subwoofer Filter, Gainer, Auto Power System
- Super mixer with microphone input / amplifier including a PCB layout
- Telephone ring sound simulator using SMT (surface mount technology)
- Three channel audio spectrum analyzer
- Three channel audio spectrum analyzer
- Three-Level Audio Power Indicator
- Tone control circuit diagram
- Tone control circuit schematic
- Tone Control using TDA1524A Tone Control IC
- Tone detector circuit diagram
- Tone display system
- Tone generator circuit diagram
- Two Tone Audio Oscillator
- Underwater microphone used in a home aquarium to monitor fish sounds
- Use amplifier phono input as line level input
- Using a speaker as a microphone - impedance matching circuit
- Variable Amplifier Impedance
- Various tube crossover circuits
- Very loud beeper (PDF)
- Voice / Audio Record / Playback Circuit
- Voice Message Recorder / Player (uses an obsolete voice recorder chip)
- Voice Scrambler
- Voice-Over Circuit
- Voltage controlled amplifier
- Voltage Controlled Panner
- Voltage Controlled Panner
- Voltage Controlled Panner
- VU And PPM Audio Metering
- Warbler siren circuit diagram
- Weird Sound Generator
About Me
- B.Tech Live projects for ECE,EEE,EIE,ICE
- This site will be verymuch useful for students studying electronics,Electrical,Instrumentation engineering. The site showcases many links from around the web with good stuff related to electronics. Electronics hobbyists can find this a good place to start.Many simple circuits that you can build from scratch available on this site.Engineering Students of JNTU,AU,KU,OU,SRM,NU can be benifitted with this resource. Any concerns please email me technokishore@gmail.com
Music related schematics
Posted By B.Tech Live projects for ECE,EEE,EIE,ICE
Sunday, April 4, 2010
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Polite Notice
B.tech Live projects is the platform for everyone who are studying Electronics Engineering. Note that all these links are external and we cannot provide support on the circuits or offer any guarantees to their accuracy. Also note that some of the circuits are illegal to operate in most countries, please check your local regulatory bodies if concerned. Other circuits are dangerous to construct and should not be attempted by the inexperienced.
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