What range of frequencies does the speech amplifier of an amateur radio transceiver typically process?

Why

Human speech contains most of its intelligible information between 300 hertz and 3 000 hertz, so the speech amplifier in a transceiver is designed to boost only this specific range to ensure clear communication while filtering out unnecessary noise. The full explanation — and one for every question — is in Pro.

Practise this section

Circuit components is section B-004 of the Basic exam: The parts inside the box: resistors, capacitors, inductors, diodes, transistors, tubes and what each does in a circuit.

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