This is a design of Super Amplifier with tda7294 of the St micro eletronics, is possible to get potency of up to 100W in an only chip, for an unit stereo to use two same to that. That circuit is based on the datasheet of the ready to work with sources of strong signs, in case it is necessary it uses a pré-amplifier in the form of an op amp. This is the figure of the circuit;
That circuit type with integrated circuit is ideal for systems of involving sound. Because he is quite compact could use an independent amplifier for each one of the high speakers. In that way it can be to share the source dimensioned it is clear to support all the connected amplifiers. Oh you can remove a wave with that neighbor that bought a " home theater " of 1000W PMPO, and fear in saying that is an enormous potency, when in reality it will verify the real potency of the equipment it doesn't arrive nor to 10W RMS for channel. It already imagined a system of high active speakers with 80W.
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