6BA6 Pentagrid Triode Converter Tube from Mexico
The 6BA6 is a heptode/pentagrid triode vacuum tube designed for superheterodyne radio frequency conversion. It falls under HTS 8540.89.00.40 as a multi-grid thermionic tube functioning as a triode-heptode combination. Used in classic AM broadcast receivers.
Duty Rate — Mexico → United States
13.7%
Rate breakdown
9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
Import Tips
• Document grid count (5 grids) and internal oscillator circuitry to justify multi-electrode tube status
• Provide evidence of metal or glass envelope construction versus modern plastic encapsulated devices
• Declare tube type approvals for countries with vacuum tube equipment regulations