What does exciter mean?
An exciter is, at its most general, something that excites — a person or thing that arouses interest, emotion, or activity. In modern usage, however, the word lives mainly in technical fields. In audio production, an exciter is a signal-processing device that generates controlled harmonic distortion to add brightness, clarity, and presence to recordings, often on vocals or a final mix. In radio and electronics, it denotes the low-power oscillator or driver stage whose output feeds a transmitter's power amplifier. The word derives from the Latin excitare, meaning to rouse or stir up, via the verb excite plus the agent suffix -er. Though its everyday use as 'one who excites' is uncommon and slightly formal, the term is precise and well established within its specialist domains, making it useful vocabulary for readers interested in sound engineering, broadcasting, or descriptive language about things that stir the senses.
nounA person or thing that excites; more specifically, in electronics and music, a device or circuit that boosts high frequencies (or, in radio engineering, a low-power signal source that drives a power amplifier).
- A person or thing that excites or stirs up emotion.
- In audio engineering: a device that adds harmonic distortion to enhance brightness and presence of a signal.
- In radio/electronics: the low-power stage or oscillator that drives a transmitter's power amplifier.
"The mastering engineer added a harmonic exciter to give the track extra sparkle."
"Fireworks are a reliable exciter of childhood delight."
"She patched an exciter across the vocal bus to lift the high end."
Regular plural, used chiefly for multiple devices or circuits.
"The studio owns two vintage exciters from the 1980s."
The same word that describes what gets a crowd roaring also names the little circuit box that makes your favourite records sound brighter.
Reviewed by Deb Chak, Editor. AI-assisted content curated by RJS Tech Solutions LLP.
Etymology of exciter
Exciter is formed from the verb excite with the agent suffix -er. Excite comes from Latin excitare, 'to rouse, awaken, call forth', a frequentative of exciere, from ex- ('out') plus ciere/citare ('to set in motion, summon'), the same root behind words like incite, recite, and cite. As a noun denoting an agent or instrument, it appeared in English by the early nineteenth century, and its specialized electronic senses developed during the twentieth century alongside radio transmission and later audio signal processing.
How exciter is actually used
As a general agent noun ('one who excites'), 'exciter' is rare and somewhat formal; everyday English prefers phrases like 'source of excitement'. The term is most at home in technical registers, especially audio production and radio engineering.
Easily confused with exciter
'Exiter' is simply someone who exits, whereas 'exciter' is someone or something that arouses excitement or, technically, a frequency-boosting device.