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(1) Tested 1958 Sylvania 6N7 Tube Date Code 8-26 Medium Mu Twin Power Triode
Regular price $9.95 USDRegular price -
(1) Tested 1968 Sylvania 6BN4A Tube Red Letters Code cj ABU Triode 6BN4 A Tube
Regular price $7.95 USDRegular price -
(1) Tested 1936 Sylvania Type 27 Tube with Engraved Base Code E6R 27 Tube Triode
Regular price $9.95 USDRegular price -
(1) Tested 1966 Sylvania 6GU7 Tube Code ad AFJ Sylvania 6GU7 Twin Triode Tube
Regular price $8.95 USDRegular price -
(1) Tested 1964 Sylvania 10GN8 Tube Code lF High Mu Triode Sharp Cutoff Pentode
Regular price $7.95 USDRegular price -
(1) Tested 1972 Sylvania 3GK5 Tube with Box Date Code gb AKP High Mu Triode Tube
Regular price $9.95 USDRegular price -
(1) Tested Sylvania 2AF4B Tube Date Code XY Medium Mu Triode Tube
Regular price $6.95 USDRegular price -
(1) Tested Sylvania 6FQ7 Tube Date Code 636 Sylvania Medium Mu Twin Triode Tube
Regular price $14.95 USDRegular price -
(1) Tested Strong National Electronics 6C5 Tube with Box Medium Mu Triode (a)
Regular price $12.95 USDRegular price -
(1) Tested 1967 Sylvania 12BR7 Tube with Box Code bf JEK Twin Diode Triode Tube
Regular price $9.95 USDRegular price -
(1) Tested 1969 Sylvania 5CL8A Tube Code da AGD Medium Mu Triode Sharp Tetrode
Regular price $7.95 USDRegular price -
(1) Tested Sylvania 12JN8 Tube with Box Date Code ZAB Triode Pentode Tube
Regular price $9.95 USDRegular price -
(1) Tested Super Silvertone 6N6G Tube Engraved Base Silvertone 6N6 G Triode Tube
Regular price $38.95 USDRegular price -
(1) Tested Sylvania 6BN8 Tube Date Code EGZ Twin Diode High Mu Triode Tube
Regular price $16.95 USDRegular price -
(1) Tested 1971 Sylvania 6J6A Tube with Box Code fg AAD 6J6 A Twin Triode Tube
Regular price $9.95 USDRegular price -
(1) Tested 1967 Sylvania 6JT8 Tube Red Letters with Box Code bk Triode Pentode
Regular price $9.95 USDRegular price -
(1) Tested Sylvania 6SR7 Tube Sylvania 6SR7 Twin Diode Medium Mu Triode Tube
Regular price $9.95 USDRegular price -
(1) Tested Sylvania 12JN8 Tube with Box Date Code YAA Triode Pentode Tube (a)
Regular price $9.95 USDRegular price -
(1) Tested 1967 Sylvania 6KE8 Tube with Box Date Code bd DHB Triode Pentode Tube
Regular price $9.95 USDRegular price -
(1) Tested Strong Sylvania 6JC8 Tube Date Code NR JAG Triode Pentode Vacuum Tube
Regular price $7.95 USDRegular price -
(1) Tested 1974 Sylvania 4BQ7A Tube Date Code jg AAG 4BQ7 A Twin Triode Tube
Regular price $9.95 USDRegular price -
(1) Tested Strong Sylvania 6JC8 Tube with Box Date Code NR ECW Triode Pentode
Regular price $9.95 USDRegular price -
(1) Tested Sylvania 6JV8 Tube with Box Date Code NR AAA Triode Pentode Tube
Regular price $9.95 USDRegular price -
(1) Tested Sylvania 6KA8 Tube with Box Date Code RAA Triode Pentode Vacuum Tube
Regular price $9.95 USDRegular price -
(1) Tested Sylvania 19CL8A Tube with Box Date Code RAA Triode Pentode Tube
Regular price $12.95 USDRegular price -
(1) Tested Tung Sol 5U8 Tube Date Code KA3 Triode Pentode Vacuum Tube
Regular price $6.95 USDRegular price -
(1) Tested Sylvania 6GH8A Tube with Box Code ae Triode Sharp Cutoff Pentode
Regular price $9.95 USDRegular price -
(1) Tested Travler 6AW8A Tube Date Code 218 Trav-Ler 6AW8 A Triode Pentode Tube
Regular price $7.95 USDRegular price
