preamplifier
noun
pre·am·pli·fi·er
(ˌ)prē-ˈam-plə-ˌfī(-ə)r 
: an amplifier designed to amplify extremely weak electrical signals before they are fed to additional amplifier circuits
Examples of preamplifier in a Sentence
Recent Examples on the Web
Other examples of how the AMP 20 might be used are as a powerful amplifier upgrade for owners of Marantz’s CINEMA 30 AVR, or as a complement to AV 10 preamplifiers, where fewer channels of power are required.
—
John Archer, Forbes.com, 20 May 2025
Balanced-bridge, dual-mono configuration is employed in all components, and both preamp and phono stage benefit from their power supplies being housed in a separate chassis, preventing interference with the sensitive phono and preamplifier circuits.
—Robert Ross, Robb Report, 26 Mar. 2025
The complete re-creation includes the power supply circuitry, a microphone preamplifier, a 10-second ramp generator as an alternate input signal source, and a meter display for comparing the input to the converter’s output, as indicated by a set of five neon lamps.
—IEEE Spectrum, 25 Jan. 2019
The original 33 preamplifier was launched when vinyl was the main source material and CDs were still 15 years away.
—Mark Sparrow, Forbes, 18 Oct. 2024
The new 33 preamplifier’s small size and shape reflects the original, but with more detailing.
—Mark Sparrow, Forbes, 18 Oct. 2024
The team at Cyrus has also been working on a brand-new phono preamplifier, which will be available later next year.
—Mark Sparrow, Forbes, 2 Oct. 2024
Now the company has announced an all-new ground-up design of an analog preamplifier.
—Mark Sparrow, Forbes, 4 May 2022
The signal from the receiver goes to a preamplifier, which filters out unwanted frequencies, and then is converted to DC and digitized.
—Kat Friedrich, Popular Mechanics, 6 June 2023
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John Archer, Forbes.com, 20 May 2025
Balanced-bridge, dual-mono configuration is employed in all components, and both preamp and phono stage benefit from their power supplies being housed in a separate chassis, preventing interference with the sensitive phono and preamplifier circuits.
—Robert Ross, Robb Report, 26 Mar. 2025
The complete re-creation includes the power supply circuitry, a microphone preamplifier, a 10-second ramp generator as an alternate input signal source, and a meter display for comparing the input to the converter’s output, as indicated by a set of five neon lamps.
—IEEE Spectrum, 25 Jan. 2019
The original 33 preamplifier was launched when vinyl was the main source material and CDs were still 15 years away.
—Mark Sparrow, Forbes, 18 Oct. 2024
The new 33 preamplifier’s small size and shape reflects the original, but with more detailing.
—Mark Sparrow, Forbes, 18 Oct. 2024
The team at Cyrus has also been working on a brand-new phono preamplifier, which will be available later next year.
—Mark Sparrow, Forbes, 2 Oct. 2024
Now the company has announced an all-new ground-up design of an analog preamplifier.
—Mark Sparrow, Forbes, 4 May 2022
The signal from the receiver goes to a preamplifier, which filters out unwanted frequencies, and then is converted to DC and digitized.
—Kat Friedrich, Popular Mechanics, 6 June 2023
Cite this Entry
“Preamplifier.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/preamplifier. Accessed 29 Jul. 2025.
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