Voltage amplifiers and controls
PREAMPLIFIER STAGES
The popular concept of hi-fi attributes the major role in final sound quality to the audio power amplifier and the output devices or output configuration which it uses. Yet in reality the pre-amplifier system, used with the power amplifier, has at least as large an influence on the final sound quality as the power amplifier, and the design of the voltage gain stages within the pre- and power amplifiers is just as important as that of the power output stages. Moreover, it is developments in the design of such voltage amplifier stages which have allowed the continuing improvement in amplifier performance.
The developments in solid-state linear circuit technology which have occurred over ...
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