Amplifiers & preamps

Understand amplification, power requirements and compatible speaker loads.

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Articles in Amplifiers & preamps

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How much amplifier power do your speakers need?

Amplifier power depends on speaker sensitivity, listening distance, required level and allowance for peaks. A calculation can show how those inputs change demand, but it cannot certify a speaker pairing. Check the amplifier’s supported load and rating conditions, the speaker’s limits, and the intended installation before turning an estimate into an equipment choice.

Pure Neo editorialUpdated 4 Oct 2026

Integrated amplifier, receiver, preamp and power amp: explained

A preamp selects the source and controls the signal level; a power amp supplies the output that drives passive speakers. An integrated amplifier combines those jobs. A conventional stereo receiver adds reception, traditionally a radio tuner. Digital inputs, streaming, phono processing and headphone outputs are separate features to check. You need the required functions, but they can share a box.

Pure Neo editorialUpdated 4 Oct 2026