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Bias adjustment in amplifiers Today I will talk about bias adjustment in various circuit topologies. How to adjust bias in amplifiers in various types of circuits. What do you look at in the circuit to determine which voltage you will adjust in the VBE multiplier? What happens if you adjust it incorrectly? Does the sound distort? Does the amplifier heat up? Does the amplifier operate in class A? Where do you place the multimeter probe to adjust the bias?