hifi audio preamp Tags - Electronic Circuit Diagram https://circuitdiagram.net/tag/hifi-audio-preamp Schematic & PCB Design Sun, 17 Aug 2014 12:52:00 +0000 en-US hourly 1 https://i0.wp.com/circuitdiagram.net/wp-content/uploads/2016/10/cropped-ecd.jpg?fit=32%2C32&ssl=1 hifi audio preamp Tags - Electronic Circuit Diagram https://circuitdiagram.net/tag/hifi-audio-preamp 32 32 96547142 HiFi Audio Pre-amp https://circuitdiagram.net/hifi-pre-amp-circuit.html https://circuitdiagram.net/hifi-pre-amp-circuit.html#respond Mon, 27 Jul 2009 18:46:37 +0000 http://circuitdiagram.net/?p=144 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. This circuit uses BC550C / BC560C transistors as active component. Use regulated power supply 15VDC for maximum result. Here the response of the… Read More »

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]]> 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. This circuit uses BC550C / BC560C transistors as active component. Use regulated power supply 15VDC for maximum result.

HiFi Pre-amp circuit diagram


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

HiFi Pre-amp frequency and phase

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

HiFi Pre-amp circuit noise

circuit by Graham Maynard

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