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Audio amplifier output capacitor value - Page 1
https://www.eevblog.com/forum/projects/audio-amplifier-output-capacitor/
In lower performance applications, the output capacitor may be used to set the low frequency cutoff. Because of the low impedances and frequencies involved, output capacitors are big and for this reason some designs take feedback *after* the output capacitor so that a smaller one may be used.
Capacitor coupled output amplifiers | Audiokarma Home ...
https://audiokarma.org/forums/index.php?threads/capacitor-coupled-output-amplifiers.529955/
The function of the output coupling capacitors is to keep the DC voltage from reaching the speaker. This is very common for solid state amplifiers that use a single supply rail for the output stage. The capacitance is high enough to couple all the audio frequencies to the loudspeaker. A smaller value capacitor would limit the low frequencies.
AUDIO OUTPUT STAGE - radioremembered.org
http://www.radioremembered.org/output.htm
Output Capacitor C-12 - Pentode and beam power tubes introduce a considerable amount of harmonics, which are most notable in the high AF range. Capacitor C-12 across the output by-passes some of these higher frequencies to ground preventing them from reaching the output transformer. The effect is great at the high frequencies as the impedance of the capacitor …
How to Pick Audio Capacitors – Charrette & Beget
https://www.maxpierson.me/2009/03/17/how-to-pick-audio-capacitors/
This can mean different things depending on the type of component, but in a capacitor, it is the voltage loss due to resistance in the metal leads and plates. A typical ESR for a capacitor might be .1Ohm, whereas a low ESR model might be .01ohm.Low ESR seems to be a much touted feature for audio capacitors, especially Black Gates.
Capacitors in Amps. Can they be upgraded? | Home …
https://www.hometheaterforum.com/community/threads/capacitors-in-amps-can-they-be-upgraded.56721/
One of the more extreme proponents of this highly-regulated power supply approach was Bill Johnson of Audio Research. My little baby Audio Research amplifier (2 x 50 watts into 8 ohms) was designed in 1979 and has two 60,000 uF capacitors. Of course, this was a very expensive little bugger. I think it retailed for over $1000 twenty years ago.
Amplifiers: Output stage - Lenard Audio
https://education.lenardaudio.com/en/12_amps_5.html
The output of the first amplifier is sent to the -inverting input of the second amplifier through a resistor that is the same value as R1. The second power amp now acts as an inverting slave. This is the simplest means to bridger 2 amplifiers as it only requires the addition of a single R1 resistor.
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