Find the power ratio of the amplifier per channel

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Reference no: EM131346751

ower Ratio (PR) in dB A stereo amplifier takes the output of a CD player, for example, and increases the power to an audible level.

Suppose the output of the CD player is 25 mW and the desired audible output is 100 W per stereo channel, find the power ratio of the amplifier per channel in decibels (dB), where the power ratio in dB is

PR_dB = 10 log₁₀ (p₂/p₁)

Reference no: EM131346751

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