Features: Designed to 6SN7GT specifications, this vacuum tube works perfectly with common double triodes like 6N8P, 6H8C, and CV181 (some CV181 units require special selection). denial circuit modifications needed, for upgrading or replacing vintages and modern tube sound systems. Manufactured under strict inspection standards, ensuring consistent measurements in amplification factor, internal resistance, noise levels, and sensitivity for dependable preamp or phase inversion applications. Preserves the traditional 6SN7 series characteristics, delivering neutral mood, clear detail reproduction, and smooth frequency response. Provides cleaner backgrounds and accurate sound reproduction for rich musical expression. Features modern design upgrades including precise spacer damping and resilient emitter coatings, reducing sensitivity while improving sturdiness and shock resistance for consistent function across various circuit setups. A practical multi role vacuum tube offering near classical sound and stability for premium sound systems, instrument preamps, or as center components for enthusiasts seeking excellent results at reasonable cost. Specifications: Substance: glass metal Size: 78×34mm/3.07x1.34in Model: 6SN7GT Vacuum Tubes for 6N8P CV181 Package Includes: 1PC 6SN7GT Electronic Vacuum Tube note: Please allow 1-2cm errors due to manual measurement. Please allow for slight color differences due to different display resolution