Search results
  1. Bottlehead Smack

    Bottlehead Smack

    Bottlehead Headphone Amplifier with output transformers.
  2. Cavalli Audio EHHA (Embedded Hybrid Headphone Amplifier)

    Cavalli Audio EHHA (Embedded Hybrid Headphone Amplifier)

    An high quality, hybrid DIY design.
  3. Hagerman Technology Castanet SET Headphone Amplifier

    Hagerman Technology Castanet SET Headphone Amplifier

    A no longer available DIY headphone amplifier. Uses a single 6H30 tube in a parafeed single-ended triode design.
Top