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How much power is enough for an audio amplifier?

To play Sultans of Swing at the normal listening level requires an amp rated at 25W.

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Differential configuration for LM3886

Differential configuration for LM3886

Not only does differential configuration do away with ground loop problems, it also eliminates a significant source of distortion.

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Inverting configuration for LM3886

Inverting configuration for LM3886

Another option for a gainclone in the inverting configuration.

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Non-inverting configuration for LM3886

Non-inverting configuration for LM3886

The non-inverting configuration for the LM3886 can be tricky to make work well.

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