The product is an E81L 6686 International Servicemaster Tube, made in Holland. This vintage audio and video part is a new old stock (NOS) item from the International Electrotechnical...
NOS SLEEVE OF 5 CEI 6686 / E81L TUBES MADE IN GERMANY. NSN 5960-00-023-8972.
Lot of 45 × 18046 (E81L / 6686 / LF43) TUNGSRAM pentode vacuum tubes. Models: 18046 / E81L / 6686 / LF43. Type: Pentode vacuum tube. Quantity: 45 pcs...
Actual pictures. Tungsram 18046 tubes. NOS/NIB never used in individual box. Quad or more.
Original Historic TubeMuseum, Tuxedo Park, New York Established in 1928 as a premier research facility in Tuxedo Park, New York, that attracted such brilliant and most visionary minds of...
These are E81L / 6686 tubes. They are not advertised as EF95 / 6AK5 equivalents. Model: E81L / 6686. The pair is reasonably matched, with both tubes testing strong....
Tubes will be in the Amperex boxes as shown in the pictures. Passed all tests on our EICO 666 Tube Tester - Tests New - Matched Pair.
We will make every effort to fix any problem.
Not a big deal if you're building from scratch. Spec sheet says these are 10,000 hour tubes.