Chapter 15
Passive Components for Active Crossovers
In this chapter we will look at some passive component properties that are especially important in the design of small-signal audio equipment in general and active crossovers in particular. All passive components differ from the ideal mathematical models—resistors have series inductance, capacitors have series resistance, and so on. There are also well-known issues with the accuracy of the component value and the way that the value changes with temperature. What is less publicised is that some can show significant non-linearity.
It is most unwise to assume that all the distortion in an electronic circuit will arise from the active devices. This is pretty clearly not true if transformers or other ...
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