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ML2011 Semiconductor – Circuit Schematic
ML2011 Semiconductor
ML2011GD/ML2011HB is MP3 decoder LSI easily used. Besides the MP3 decoder, it integrates stereo DAC and 8 © 650mW drive speaker amplifier that allows MP3 playb...
Laser Disc Player Modification – Circuit Schematic
Laser Disc Player Modification
Many of us who invested in Prologic decoders are now looking at Dolby Digital. New formats like DSS, DVD-Video and High Definition Television incorporate this n...
Vu meter stereo circuit – Circuit Schematic
Vu meter stereo circuit
This simple circuit is based on the well-known integrated circuit LM3915. The main characteristic of this integrated circuit is its power to manage 10 LED-s (Li...
AF Voltage Amplifier Signal Mixer Master Mixer and Compressor-Expander – Circuit Schematic
AF Voltage Amplifier Signal Mixer Master Mixer and Compressor-Expander
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Audio Filtering & Speakers – Circuit Schematic
Audio Filtering & Speakers
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My genelec 1031A pops when I turn it on ? – Circuit Schematic
My genelec 1031A pops when I turn it on ?
All of the above would be internal hardware issuesa. Still, there is a possible fix; though not quick-n-easy and neither is there a workaround. The unit would h...
Spatial Distortion Reduction Headphone Amplifier – Circuit Schematic
Spatial Distortion Reduction Headphone Amplifier
The objective of Linkwitz` article was to reduce distorted spatial reproduction when listening to recorded stereo music with headphones-the "super stereo" effec...
Speakers – Circuit Schematic
Speakers
An old nonfunctional DVD player donated by the Engineering Department was gutted to provide an appropriate enclosure for the audio amplifier. To mount the nearl...
A S/PDIF Free Space Digital Audio Optical Link – Circuit Schematic
A S/PDIF Free Space Digital Audio Optical Link
The intent of this article is to demonstrate a basic optical LED wireless link for transmission of high definition (HD) S/PDIF digital audio streams. Circuit de...
Guitar Patch Cord – Circuit Schematic
Guitar Patch Cord
The PhoneAxe is an original design by the author of a passive filter network built into a 1/4" phone plug/coaxial cable, and is designed to allow electric-guita...
preamp – Circuit Schematic
preamp
Here`s my final mic pre schematic. The input phase switch and phantom power circuit is not shown, but is based on Jensen mic input design AS016. Click here for ...
iPod/MP3 Mini Speaker System – Circuit Schematic
iPod/MP3 Mini Speaker System
Listen and share your music wherever you go With the mini speaker system project, you can listen to music whenever you want: your dorm, your cubicle, or at the ...
Izzy Wizzy Audio – Circuit Schematic
Izzy Wizzy Audio
The aim was to build a MC sensitive preamp that was quiet, used only tubes and had a certain something that made you want to listen. This thing is quiet and if ...
Active Audio Tone Control Circuit Design – Circuit Schematic
Active Audio Tone Control Circuit Design
This topic continues from the more general Passive Tone Control circuit, which begins using only passive filters. This circuit follows the previous design, alth...
3-Band Active Audio Tone Control Circuit – Circuit Schematic
3-Band Active Audio Tone Control Circuit
This topic continues the coverage of audio tone controls. The first entry started with a Passive Tone Control circuit using different RC filter configurations a...
Audio Resonant Equalizer Circuit Design – Circuit Schematic
Audio Resonant Equalizer Circuit Design
This topic covers a resonant equalizer which is a different style circuit than the common audio equalizer, although both produce the same result. The difference...
Audio Mixer Circuit – Circuit Schematic
Audio Mixer Circuit
The circuit schematic below represents one method for the design on an audio mixer. The active component is an LM318, although basically any operational amplifi...
Audio Equalizer Circuits – Circuit Schematic
Audio Equalizer Circuits
This discussion continues on from the audio tone control topic, which introduced both passive and active tone controls. The follow on topics might be a 2-Band A...
Audio Tone Control – Circuit Schematic
Audio Tone Control
An audio tone control combines both a Base control and a treble control in the same circuit. Tone controls are found on lower-end audio gear because it saves bo...
Audio Speaker Crossover Circuit – Circuit Schematic
Audio Speaker Crossover Circuit
An audio cross-over network is used inside a speaker to separate or filter audio signals of different frequencies to different speakers within a speaker cabinet...