Lot of 4 pcs NEW EF806S Tesla tubes. MATCHED QUAD - tubes has identical electrical characteristics. We test our tubes on High-End Soviet Tube Tester L3-3. 4 tubes in 1 lot. 100% garanty working.
SUPER NICE HIGH GRADE NOS MATCHED PAIR EF806S MADE IN GERMAN IN THE 1960'S. SUPER RARE NOS PERFECT SHAPE. YOU GET THE 2 TUBES YOU SEE FOR THE PRICE. BOTH TUBES SOUND AMAZING AND WORK FANTASTIC.
EF806S Tesla. Tested Advance Digital Tube Tester Amplitrex AT1000. Made in Czech Republic. New in Original Box.
2PCS TESLA EF806S / EF86 / 6267 / 6J32P AUDIO TUBES! NOS! RARE! EF86 - pentode tube for low frequency amplification.