Bottlehead Crack
The DIY tube amp that became the HD 650's default partner — measurably coloured, audibly loved, and only as good as your soldering.
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Bottlehead
DIY tube amp kits
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Bottlehead is an American maker of DIY vacuum-tube audio kits — headphone amps, preamps, phono stages and speaker amps that buyers assemble themselves. It began in 1995 under Dan and Eileen Schmalle and was bought in 2025 by Middle-Aged Kids Engineering (MAKE), a family-owned company of DIY enthusiasts.
- Founded
- 1995
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