7025 Pentode Audio Output Tube

The 7025 is a ruggedized military-spec pentode equivalent to the 12BY7, used in audio output stages and vertical deflection amplifiers in vintage television receivers. Its durability suits harsh environments. Fits HTS 8540.81.00.00 as receiver/amplifier tube.

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
🇨🇳China4.2%+35.0%39.2%
🇲🇽Mexico4.2%+10.0%14.2%
🇨🇦Canada4.2%+10.0%14.2%
🇩🇪Germany4.2%+10.0%14.2%
🇯🇵Japan4.2%+10.0%14.2%

Alternative Classifications

This product could be classified differently depending on its characteristics or intended use.

8540Same rate: 39.2%

If field or photo cathode tubes

Photocathode tubes for imaging/light detection classify separately from thermionic amplifier tubes.

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Import Tips & Compliance

Include JAN military drawing numbers in documentation

Demilitarize if for civilian audio use per ITAR rules

Test for 1000-hour minimum life rating

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