preamplificationn.
/(ˌ)priːˌamplᵻfᵻˈkeɪʃn/, U.S. /ˈˌpriˌæmpləfəˈkeɪʃ(ə)n/ The action of preamplifying; preliminary amplification.
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the world > physical sensation > hearing and noise > audibility > sound magnification or reproduction > [noun] > amplifier > preamplification
preamplification1949
1949 Jrnl. Psychol. 62 To minimize this generated noise and its effect, two special low-noise stages of pre-amplification are used at the input.
1977 Rolling Stone 13 Jan. 58/2 Most ribbon mikes produce lower output signals than most dynamic types and require more preamplification.
2004 IEEE Trans. Biomed. Engin. 51 2031 The use of preamplified electrodes in electrocardiography..has a numbe of benefits, most importantly, the noise reduction through preamplification and the interference reduction through buffering.
This entry has been updated (OED Third Edition, March 2007; most recently modified version published online March 2022).
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n.1949