RF IF Signal - All

Tests NOS Matched Pair Telefunken Western Germany ECF82/ 6U8 O Get <> BTM Tubes

Telefunken

Tests NOS Matched Pair Sylvania USA 6U8 [6GH8] Black Plate Fat D Get Tubes

Sylvania

True NOS NIB Matched Pair Sylvania USA 6U8A [6GH8] O Get Tubes

Sylvania

True NOS NIB Sylvania USA USN-6U8A [6GH8] Grey Plate O Get Vacuum Tube 100+%

Sylvania

Tests NOS Matched Pair Standard Brand USA 6U8A [6GH8] Black Plate Tubes

Standard Brand

Tests NOS Date Matched Pair Standard Brand 6U8A [6GH8] Black Plate Vacuum Tubes

Standard Brand

Tests NOS Date Matched Pair Standard Brand US 6U8A [6GH8] Black Plate Tubes

Standard Brand

True NOS NIB Date Matched Pair Raytheon Taiwan 6U8A / 6KD8 O Get Gold Pins Tubes

Raytheon

True NOS NIB Date Matched Pair Raytheon Taiwan 6U8A/6KD8 Gold Pins Tubes

Raytheon

True NIB NOS Date Matched Pair Raytheon Taiwan 6U8A/6KD8 O Get Gold Pins Tubes

Raytheon

True NOS NIB Raytheon Japan 6U8A/6KD8 Grey Plate O Get Vacuum Tube 100+%

Raytheon

True NOS NIB Mullard USA 6U8A [6GH8] Black Plate O Get Vacuum Tube 100+%

Mullard

True NOS NIB Matched Pair GE USA 6U8A/6AX8/5KD8/6KD8 Grey Plate Vacuum Tubes

GE

True NOS NIB Matched Pair GE USA 6U8A [6GH8] Grey Plate O Get Vacuum Tubes

GE

True NOS NIB GE USA JAN-6U8A [6GH8] Grey Plate Thin Pole O Get Vacuum Tube 100+%

GE

Tests NOS Daystrom Italy 6U8 [6GH8] Grey Plate O Get Vacuum Tube 100+%

Daystrom

True NOS NIB Amperex France 6U8A/6KD8/5KD8 Grey Plate O Side O Get Vacuum Tube

Amperex

True NOS NIB Date Matched Pair Amperex France 6U8A/6KD8/5KD8 Grey Plate Tubes

Amperex

True NOS NIB Amperex USA 6U8A [6GH8] Grey Plate O Get Vacuum Tube 100+%

Amperex

WKR Japan 6GH8A Gray Plate Top O GTR Vacuum Tube 6GH8 50%

Unknown Brand USA 6GH8A Gray Plate Top O Foil GTR Vacuum Tube 6GH8 65%

Zenith USA 6GH8A Gray Plate Top O Angled GTR Vacuum Tube 6GH8 85%

Zenith

GE USA 6GH8A Gray Plate Top O GTR Vacuum Tube 6GH8 50%

GE