High Efficiency Speaker Asylum

Need speakers that can rock with just one watt? You found da place.

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Apparently, you are OLD... But I too remember this challenge

Posted by David S. on April 20, 2017 at 14:36:10:
Or? At least one version of this challenge. Pretty sure "Audio" magazine did something along the lines of this, back in the day.

And, yes - even the speakers with the highest sensitivity, with GOBS of watts applied did not FULLY reproduce that particular waveform without clipping. Seems to me (and that was, what - 30+ years ago?) they tried it with Klipschorns and the biggest Levinson amps of the time, and still didn't quite get a pure output.

One thing I know for CERTAIN? They had a chart that gave the peak dB output & compared it to possible amp/speaker combinations.