Sunday, 16 August 2015

New $200 amplifier

I also have in the top of my head a ~$200 amplifier. Planned features are:

  • Swappable op-amps to modify sound based on user preference
  • 0.5x, 1x and 2.5x gain to allow use with a wide range of audio gear
  • RCA and 2 x 3.5mm (one in the front, one in the back) input with an input selector
  • 3.5mm and 6.3mm headphone outputs
  • Compact form-factor to fit on many desks
I haven't decided whether I'll use an external wall wart as a linear power supply or AC in with my own power supply inside yet; that will have to be determined later on after I design the amplification circuit.

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