OpAmp Based Headphone Amplifier

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In this video, I test out a dedicated headphone amplifier design based around the NE5532 opamp IC. As usual, things didn't go according to plan in a comedic way (to others with my brain-fart).

  1. Astro's Electronics Lab
  2. NE5532
  3. opamp headphone amplifier
  4. electronics
  5. breadboarding
  6. oscilloscope
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Комментарии
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instant subscribe for the wicket bass intro.

meowcula
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Just in case nobody notices, yes, the voltage gain was not too high at 33 ohms, but there is some substantial power gain.

isaacclark
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If you would use a complementary emitter follower as an output stage (Accuphase did that often in their power amps) you can get rid of a global negative feedback, because that type of an output stage is the most linear among all architectures. Itself it can provide as low as 0.01% THD at 10Vpp input signal without a NF (however with current sources as a load). It's good for a headphone amplifier IMHO

scor
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that metter on yourdesk
same as my father's
long time ago🌹😔
thanks

behzadabf
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Use jrc4556 for cmoy headphone amp, requires no output transistor, can drive 16 ohms headphones at +/-5V . for higher impedance headphones use +/- 12V

rogerwalter