Power Stereo Amplifier
18
Apr/100
Apr/100
 TV One S2-101AA Stereo Audio Power Amplifier US $335.95 
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 1pcs STK2250 STK 2250 STEREO POWER AMPLIFIER US $11.99
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 2pcs STK2250 STK 2250 STEREO POWER AMPLIFIER US $23.50
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 5pcs STK2250 STK 2250 STEREO POWER AMPLIFIER US $57.50
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how an 60 watts stereo power amplifier works?
the concept is the same for tube as well as solid state amplifiers.
The output circuit is generated by the amplifier's power supply, which draws energy from a battery or power outlet. If the amplifier is powered by household alternating current, where the flow of charge changes directions, the power supply will convert it into direct current, where the charge always flows in the same direction. The power supply also smoothes out the current to generate an absolutely even, uninterrupted signal. The output circuit's load (the work it does) is moving the speaker cone.
So we can think of an amplifier as an electrical power booster that uses the input signal to drive a larger more powerful function that ends up driving the speaker. An electric to mechanical interface.
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