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Exam RCDD-001 topic 15 question 8 discussion

Actual exam question from BICSI's RCDD-001
Question #: 8
Topic #: 15
[All RCDD-001 Questions]

Using the sound pressure level (SPL) method of approximating distance and power, calculate the power required to produce 89 dB at 4 m (13.1 ft) with a loud speaker that is rated at a SPL of 95 dB. What input power level (in watts) is required to appropriately power the speaker?

  • A. 1 watt
  • B. 2 watts
  • C. 4 watts
  • D. 8 watts
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Suggested Answer: C 🗳️

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CUB90
7 months, 3 weeks ago
TDMM page 13-73 (1119) Loudspeaker Power
upvoted 1 times
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