The tubes are in mint condition. All the tubes are carefully tested on my tube tester TV-7.
VALVO F86 8Y1 D8E HAMBURG 1958 RING GETTER
CODE ON GLASS = 8Y1 D8E. VALVO EF86 6267. IN NEW REPRO VALVO PAPER BOX.
Telefunken EF86 EF806S 6267 Ribbed Plate Round Top NOS NIB Matched Pair
The tubes are in mint condition. All the tubes are carefully tested on my tube tester TV-7.
Telefunken EF806S EF86 Ribbed Plate Silver Wing NOS First Version Super Rare
The tubes were made in Germany in the early 1950s (1951-1953). The tubes are in mint condition. These are considered the best EF86 tubes up to now. The earliest were made in early 1950s (without diamond logo on the bottom) and these are the best one you should have in hand.
Telefunken EF806S EF86 6267 Z729 Ribbed Plate Sealed Super Rare
The tubes were made in Germany in the early 1960s. They are in mint condition. They are sealed byt one of them were opened to check the other is still sealed. These are considered the best EF86 tubes up to now.
Telefunken EF86 EF806S 6267 NOS Matched Pair First Version Super Rare
The tubes are in good condition. All the tubes are carefully tested on my tube tester TV-7.
2 Tubes EF806s/6267 Tesla – Yellow Label- NOS
2 Tubes EF806s/6267 Tesla – NOS.
For U67 NOS Telefunken EF806s best EF86 6267 original mit Raute more on s
New original West Germany tube .
EF86/6267 Strong Matched Pair Everett Label Mullard Blackburn Tubes Tested 90%
Both tubes tested at 1800 making them a 90% strength pair matched very tightly. These tubes have been fully tested for leaks, shorts, and quality/emissions issues.
Mullard EF86/6267 O-Getter Mesh Plate Amplitrex Tested strong 77%
Tested strong on an Amplitrex AT1000 tube tester at 70% ip and 77% gm