what are Diodes for in Audio Amplfiers?

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Leghrand DeJesus

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Hi! Im a newbie here with regard to amplifiers. Now, I very curious what are those sets of diodes for in the circuit? Can anyone satisfy my curiosity please?







 

They are used to bias complementary class AB stages. It should be mentioned that this is a badly designed amplifier, it's hardly possible to explain all implemented flaws in a few words.

If you are interested to learn about audio amplifiers, please start with reasonable designs.
 
Here is a good page about Discrete Low power AF experiments
**broken link removed**
 

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