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Power Supplies – BuildAudioAmps
http://buildaudioamps.com/power-supplies/
Dual Polarity Unregulated Power Supply for Audio Amplifier. The most common source of power for audio power amplifier is the unregulated power supply for its simplicity, good performance, and reasonable cost. The basic parts of an unregulated power supply are the transformer, diodes, and capacitors. The main draw back of an unregulated power supply is voltage fluctuations …
Best diodes for generic power supply | diyAudio
https://www.diyaudio.com/community/threads/best-diodes-for-generic-power-supply.75428/
There's never been any evidence, measured objectively with instruments, to suggest that any power supply rectifier diodes used in place of the 1N400x will provide any significant improvement in sound parameters.
Rectifiers | DIY-Audio-Heaven
https://diyaudioheaven.wordpress.com/tutorials/power-supplies/rectifiers/
When a ‘normal‘ diode is used in a switch-mode power supply at a high speed, think towards MHz instead of 100Hz for rectified mains, and the input voltage of the diode has a negative voltage on it of say 15V because the converter’s output voltage switched polarity really fast as it is close to a squarewave in character instead of a sinewave (say within 20ns) the …
Linear Power Supplies for Audiophiles - Audio Bacon
https://audiobacon.net/2018/06/29/linear-power-supplies-for-audiophiles-getting-closer-to-live/
Linear Power Supplies for Audiophiles – Getting Closer to Live. NEW! Check out the 2021 Linear Power Supply for Audiophiles Shootout! We find power supplies in our tiny cube-shaped iPhone charges, laptop power bricks, and in every wall wart. They help convert mains AC (120V) into usable DC power (12V) for our sensitive electronics.
Linear Power Supply Design - The Audio Pages (Main Index)
https://sound-au.com/power-supplies.htm
The power supply rectifier diodes usually conduct for only a short time during each AC cycle - this may be as little as 3 or 4 degrees at idle, but both the angle of conduction and the amplitude of the current pulse will increase as more power is drawn from the supply. Class-A Amplifiers The other common amplifier type is Class-A.
EETimes - Audio amplifier power supply design - Part 1 ...
https://www.eetimes.com/audio-amplifier-power-supply-design-part-1-power-supply-types-transformer-considerations/
A regulated supply-rail voltage to a power amplifier gives absolutely consistent audio power output in the face of mains voltage variation. Clipping behavior will be cleaner, as the clipped peaks of the output waveform are not modulated by the ripple on the supply rails.
snubbering | DIY-Audio-Heaven
https://diyaudioheaven.wordpress.com/tutorials/power-supplies/snubbering/
R1 needs to dissipate the power of the resonance + the power from the 50/60Hz AC. When R1 = 0Ω there will be no damping only the resonance frequency will be lowered. When this resistance value is too high there will also be no damping as there is no load.
Why Schottkty's? | diyAudio
https://www.diyaudio.com/community/threads/why-schottktys.304746/
48 different diodes were tested in a high sensitivity jig, with and without CRC snubbers. These included slow, fast, ultrafast, Schottky, Silicon Carbide, HEXFRED, soft recovery, and Super Barrier diodes. All 48 diodes rang. Even the …
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