The Electro-Harmonix EH EF86 is a later entry into the valve market, designed as a low noise pentode. This preamp valve features an unusually small pentode. This is a faithful, current-production version of the EF86 first made in 1954.
We test all the valves at real amp voltages on our suite of vintage, modern, and custom-built valve testers. Includes a test certificate showing the valve test results.
Made in Russia.
Includes our class-leading 180 day warranty.