EF86 Pentode Vacuum Tube from Germany
The EF86 is a high-gain pentode vacuum tube designed specifically as a low-noise amplifier for audio preamplifiers in radio receivers and hi-fi equipment. It operates as a receiver or amplifier tube by amplifying weak signals in the audio frequency range. Classified under HTS 8540.81.00.00 as it is a thermionic vacuum tube used for signal amplification.
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
• Verify tube specifications match receiver/amplifier use to avoid reclassification as display tubes; provide datasheets confirming thermionic operation
• Comply with U.S. radiation safety standards for vacuum tubes
• Watch for counterfeit tubes from certain origins lacking quality certification