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EF86 Preamp Vacuum Tubes
The EF86 vacuum tube is a high gain pentode designed to amplify low-level audio signals. Introduced in the late 1950's, it is used as a preamp in audio equipment and instrument amplifiers...More Details
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The EF86 vacuum tube is a high gain pentode designed to amplify low-level audio signals. Introduced in the late 1950's, it is used as a preamp in audio equipment and instrument amplifiers...More Details