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Technical and scientific discussion of amps, cables and other topics.

RE: Dick Heyser: The only man am aware whom tried to cor-relate measurements with what we hear~nT

He was the first so far as i know, before his TDS invention, there was no way to measure the acoustic phase of a loudspeaker, his visual description was imaging a loudspeaker driver who's physical position changed moving forward and back depending on the phase and wavelength in question.

That paralleled the Beta tape vs VHS tape issue, Beta was better BUT was narrowly licensed while VHS was widely licensed.
Even now his TDS approach has much better noise immunity than the modern impulse based systems.



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