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HiFi Audio Circuit Design - Texas Instruments
https://www.ti.com/lit/an/sboa237/sboa237.pdf
HiFi Audio Circuit Design A sound system is mainly composed of the auditory system (human ears), hardware system (equipment), software system (signal source) and listening environment.
HiFi Audio Circuit Design - EEWeb
https://www.eeweb.com/hifi-audio-circuit-design/
This document will help engineers understand, judge, design, and optimize a HiFi audio circuit. An audio signal is a representation of sound—typically an electrical voltage. Audio signals usually have frequencies in the range of approximately 20 Hz to 20,000 Hz, which is audible to most humans.
Audio power amplifier circuit using Hi Fi audio amplifier ...
https://www.circuitstoday.com/hi-fi-audio-amplifier-circuit
TDA2613 is an integrated Hi-Fi audio amplifier IC from Philips Semiconductors. The IC is switch ON / switch OFF click proof, short circuit proof, thermally protected and is available in 9 pin single in line plastic package. In the given circuit, TDA2613 is wired to operate from a single supply. Capacitor C4 is the input DC decoupler while capacitors C5, C6 are power …
Steve's - The Audio Circuit - a free source on hifi equipment
Steve's - The Audio Circuit - a free source on hifi equipment The Audio Circuit is set up in 1996 with as goal to provide a free database on hifi, including user reviews, information, pictures, manuals and a forum. The Home Audio section contains information on home audio manufacturers and models.
50W DIY Hi-Fi Audio Amplifier with Protection Circuitry ...
https://www.gadgetronicx.com/50w-hi-fi-audio-amplifier/
FEATURES OF THIS Hi-Fi AUDIO AMPLIFIER: Input Sensitivity – 0.25mVmax – most phones output such a level. Input Impedance – 470ohm – solely depends on R1. You can increase R1 to whatever value you wish or exclude it altogether, but i recommend you keep it at that. Most audio cards of both laptops and phones will handle such an impedance with ease.
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