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15W Audio Amplifier with STK055

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15W Audio Amplifier with STK055

Here the schematic diagram of 15W audio amplifier, built based on single power chip STK055 from Sanyo.The STK055 is old power amplifier chip which still available on the market because of the ease of its usage and the performance is good. This chip requires heatsink to be mounted on its body.



Technical details:
  • Maximum power supply: ± 28V
  • Recommended supply voltage: ± 20V
  • Power output: 15W
  • RL: 8 Ohm
  • TDH: 0.3%
  • Rin: 52K
  • Gain: 26.4 dB
  • Noise: 0.3mV
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Watch this video detailed steps:


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