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Klein + Hummel
Acoustical Measurements
Below are acoustical measurements conducted in anechoic conditions at 1 m. Color versions of these graphs can
be found on the appropriate product page of the klein-hummel.com web site.
O 870 (with O 410) free-field response
O 870 (with O 410) group delay
O 870 distortion at 95 dB SPL
O 870 maximum SPL
O 870 + O 410 maximum SPL (3% and 1% THD)
Operating Manual O 810 / O 870
English
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