In boutique audio, these components are selected not just for function, but for their aesthetic "vanity" appeal—often featuring glowing glass, polished metal, and exposed transformers. Key Components in Boutique Tube Gear Vacuum Tubes (Valves)
: "Vanity" builds often use high-quality ceramic or bakelite sockets to ensure durability and a vintage look. Recommended Boutique Tube Gear vanity tranny tube