CTS-D 無料問題集「AVIXA Certified Technology Specialist - Design」
How many watts are required at the loudspeaker with a sound pressure requirement of 70 dB SPL, a loudspeaker with a sensitivity of 88 dB SPL 1 w/1 m, 10 dB SPL of headroom, and a listener position of 14 feet (4267 mm) from the loudspeaker? Hint: You'll need the EPR formula.
Response:
Response:
正解:B
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