A capacitor Cx is connected between {TAIL ~ the terminal Vx} of the resistor Rx that is connected {HEAD ~ the non inverting input} of operational amplifier Ao on the one hand, and on the other hand to the connection point VDC of the loudspeaker RL and the DC blocking capacitor CDC 
A capacitor Cx is connected between { TAIL ~ the terminal Vx } of the resistor Rx that is connected { HEAD ~ the non inverting input } of operational amplifier Ao on the one hand , and on the other hand to the connection point VDC of the loudspeaker RL and the DC blocking capacitor CDC
OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH