div class=ts-pagebutton class=gotoPage data-page=1Page 1button div class=ts-imagea href=https:reader042vdocumentsusreader042viewer2022020405575067c91a28ab0f07ad26dehtml5page1jpg target=_blank img data-url=subjective-interpretation-of-loudspeaker-frequency-response-curves-in-termshtmlpage=1 data-page=1 class=ts-thumb lazyload alt=Page 1: Subjective Interpretation of Loudspeaker Frequency Response Curves in terms of Loudness loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader042vdocumentsusreader042viewer2022020405575067c91a28ab0f07ad26dehtml5thumbnails1jpg width=140 height=200 adivp© 1931 Nature Publishing Grouppdiv