The R2904/7000 are tested by HifiCompass from 2 to 8 V (but this still just around 104 dB peak):
https://hificompass.com/en/speakers/measurements/scan-speak/scanspeak-r2904700009
For 115 dB at 1 m, it needs to survive approx 250 W. Even if not fries instantly, it would produce serious compression IMO.
https://hificompass.com/en/speakers/measurements/scan-speak/scanspeak-r2904700009
For 115 dB at 1 m, it needs to survive approx 250 W. Even if not fries instantly, it would produce serious compression IMO.
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