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Amazon.com: Piaa 85115 Superior 112Db 330Hz and 400Hz Twin Tone Bass Horn, Black : Musical Instruments
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SOLVED:A 5000-Hz tone must have what sound level to seem as loud as a 100-Hz tone that has a 50-dB sound level? (See Fig. 12-6.)
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100 Hz and 200 Hz tone bursts and their respective frequency spectra.... | Download Scientific Diagram
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