HiFi Pre-amp circuit diagram


This is a HiFi pre-amplifier circuit diagram with low noise output. Very wide range frequency from about 10Hz until up to 100Khz  will be gained by this preamplifier for maximum audio performance.

HiFi Pre amp schematic

Here the response of the preamp’s frequency and phase:

HiFi Pre amp schematic

Here the diagram of total noise at output, measured with 600R load:

HiFi Pre amp schematic

circuit by Graham Maynard


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