6BA6 Pentagrid Triode Converter Tube from Germany
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 — Germany → United States
10%
Rate breakdown
9903.05.3910%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.97, articles the product of a member state of the European Union, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 10 percent, as provided for in U.S. note 52 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