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High Quality Headphone Amplifier Circuit



High Quality Headphone Amplifier Circuit diagram

This is a high quality headphone amplifier circuit which built using 3 NPN transistors. This circuit is very simple and reliable, hard to break, offers a lot of power, excellent sound quality, it is built with just a few simple parts and more importantly it has a very little power supply consumption. With just two AA batteries it can work for a very long time.



Parts List:
  • R1 - 100K
  • R2 - 330
  • R3 - 100
  • R4 - 22 (2 - 4.5V)
  • R4 - 100 (5 - 12V)
  • C1 - 4.7uF
  • C2 - 4.7uF
  • C3 - 100 - 1000uF
  • C4 - 220uF
  • P1 - 100K
  • D1, D2 - 1N4148
  • Q1, Q2 - BC549
  • Q3 - BC559

High Quality Headphone Amplifier Circuit Source: electronics-diy.com

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