EF86 High-Frequency Pentode Triode from Mexico
The EF86 is a high-gain pentode vacuum tube used as the first audio stage in classic guitar amplifiers. It is classified under tariff item 8540.89.00 for its multi-electrode thermionic construction equivalent to triode-pentode functions. Its low noise and high gain make it a preferred choice for preamplifier stages.
Duty Rate — Mexico → Canada
PGA flags
No agency flag on this HTS number in the CBSA Single Window matching criteria.
CBSA Single Window matching criteria, unknown
Import Tips
• Describe the EF86 as a high-gain pentode thermionic valve on customs documentation to support classification under 8540.89.00
• If importing for use in musical instruments, consider whether the tubes qualify for any reduced duty rates under trade agreements
• Keep records of the tubes' specifications to facilitate CBSA inspection