biggermouth-a1-tube-headphone-amplifier
  1. Biggermouth A1 Tube Headphone Amplifier

    Biggermouth A1 Tube Headphone Amplifier

    Biggermouth's (A DIY manufacturer, small manufacturer in fact) A1 Tube amplifier. Uses 6J5 tubes and NE5532 opamps in a "47 amp" config. Doesn't sound like much but it's a amp that works, after all. It is anything but portable despite the size though.
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