6SN7GT Dual Triode Audio Tube from Canada
The 6SN7GT is an octal base dual triode vacuum tube prized for phase inverters and driver stages in hi-fi and guitar amps. It qualifies for HTS 8540.89.00.40 as a medium-mu thermionic triode in glass envelope form. Features indirectly heated cathodes for low hum.
Duty Rate — Canada → United States
13.7%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
Import Tips
• Declare octal 8-pin base and GT glass envelope dimensions for proper tube identification
• Include plate dissipation ratings (5W per triode) in technical specifications
• Matched pair/trio declarations required for balanced audio applications