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Pronunciation varies by accent · noun
A voltage amplifier for amplifying a low-level input signal; its output is the input to a higher-level amplifier..
Use preamplifier when its meaning, tone and grammar fit the full sentence. A synonym is not always a direct replacement.
Preamplifier means A voltage amplifier for amplifying a low-level input signal; its output is the input to a higher-level amplifier..
Common synonyms include pre-amp.
The opposite depends on the specific sense.
Use preamplifier where its definition matches the intended context.
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