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## Homework Statement

A stereo amplifier is rated at 130W output at 1150Hz. The power output drops by 10.0dB at 15.3kHz. What is the power output in watts at 15.3kHz?

## Homework Equations

R=I/Io

Io = 10^-12 w/m2

bel = log(r)

## The Attempt at a Solution

I have no idea where to start