Transfer function audio pre-amp
Almost .. Looks good. 

Since the breakpoints are 3 decades apart, you can simplify it to basically R1C3, R2C3 for low reject and high reject breakpoints at -3dB f2,f1 from a gain of 60dB = 20log R2/R1.  neglect the rounding error of actual gain = 1+R2/R1=1001

your initial Av- is wrong .
but 1+ negative Feedback ratio is the correct gain as above answer.