Loudness control circuit

  
Figure 1-87 is a good loudness volume control circuit, it uses an ordinary potentiometer, used element pieces are scarce, but the effect is quite remarkable. The electric road
Loudness control circuit - schematic

works is: when the internal impedance of the source is much much smaller than Rc, big load impedance Rp, and Rp is much greater than when I ruler and Rz, the capacitance C taken only high value, audio works for low audio can be regarded as open




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