Matched Pair Western Electric 408A Small Signal Pentodes 539C

Matched Pair Western Electric 408a Black Plate Strong 1979 Same Date

Matched Pair Western Electric 408a Black Plate Square Getter Strong 1966 Strong

Nos/nib Matched Pair Western Electric 408a Square Getter Mil - Spec 1963

Nib Matched Pair Western Electric 408a Yamamoto Ha - 02 Headphone Amp Vacuum Tubes

Nos/nib Matched Pair Western Electric 408a Square Getter Mil - Spec 1963

Nos Tightly Matched Pair Western Electric 408a Black Plate D Getter Tube Tv7

Matched Pair Western Electric 408a Black Plate Square Getter 1964 Strong

Match 1 Pair Western Electric 408a Vacuum Tubes Little Dot