Notice: Change in Bottlehead ownership
Notice: Read about Bottlehead's ownership change.
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Bottlehead offers vacuum tube headphone amplifier kits for headphones with high and low impedance.
Bottlehead Crack 1.1 OTL Headphone Amplifier Kit
Bottlehead Mainline 1.1 Headphone Amplifier Kit
Stat Electrostatic Headphone Energizer
Bottlehead Single Ended eXperimenter's Kit 3.0 for Headphones & Sensitive Speakers
Crackatwoa Headphone Amplifier Kit
