https://tubeworldexpress.com/products/6u8a-philips-by-sylvania-nos-1980s-10-in-stock 2026-07-21T12:49:22-05:00 daily https://cdn.shopify.com/s/files/1/0333/7633/files/1_5304cd25-3aa0-474f-b0fb-7386e04ffecd.jpg?v=1683592760 6U8A Philips by Sylvania NOS 1980's (10 in stock) https://tubeworldexpress.com/products/best-pair-4-6au6a-ge-nos-1977-6-1ma-and-6-1ma-1-3-matched-sony-c800g-mic 2026-07-21T12:49:22-05:00 daily https://cdn.shopify.com/s/files/1/0333/7633/files/3_cbe0cc56-9acd-4343-b5f7-8c03696b5e18.jpg?v=1771920509 (!!!) (Best Pair #4) 6AU6A GE NOS 1977 (6.1ma and 6.1ma) 1-3% matched (Sony C800G mic) https://tubeworldexpress.com/products/pair-jtl-6ak5-tungsol-gray-plate-d-getter-used-good-1952-5-7ma-5-8ma 2026-07-21T12:49:22-05:00 daily https://cdn.shopify.com/s/files/1/0333/7633/files/7_b4be7a19-87ad-41d7-aade-4a78368a3d81.jpg?v=1781805779 (!!!) (Pair) JTL-6AK5 Tungsol gray plate "D" getter used/good 1952 (5.7ma/5.8ma) https://tubeworldexpress.com/products/best-single-2-2c51-396a-5670-ge-nos-d-getter-1950s-rebranded-national-1970s-6-6-7-2ma 2026-07-21T12:49:22-05:00 daily https://cdn.shopify.com/s/files/1/0333/7633/files/7_ffcc513c-b97d-491e-80db-cda83a324b0c.jpg?v=1781711113 (!!!!) (BEST SINGLE #3) 2C51=396A=5670 GE NOS "D" getter 1950's rebranded National 1970's (6.6/7.2ma) https://tubeworldexpress.com/products/best-single-2c51-396a-5670-ge-national-v4 2026-07-21T12:49:22-05:00 daily https://cdn.shopify.com/s/files/1/0333/7633/files/7_57843fd8-25fd-420e-8f29-ee51d4922f61.jpg?v=1781711956 (!!!!) (BEST SINGLE #2) 2C51=396A=5670 GE NOS "D" getter gray plates 1960 era rebranded National 1970's (8/7ma) https://tubeworldexpress.com/products/best-single-4-5670-2c51-ge-nos-d-getter-1950s-rebranded-national-1970s-8-6-6-2ma 2026-07-21T12:49:22-05:00 daily https://cdn.shopify.com/s/files/1/0333/7633/files/7_cfe6eaf7-9e1a-47e7-a2b6-5bcf7a11b734.jpg?v=1781712349 (!!!!) (BEST SINGLE #4) 5670=2C51 GE NOS "D" getter 1950's rebranded National 1970's (8.6/6.2ma) https://tubeworldexpress.com/products/best-single-5-5670-2c51-ge-nos-d-getter-1950s-rebranded-national-1970s-6-8-10-6ma 2026-07-21T12:49:22-05:00 daily https://cdn.shopify.com/s/files/1/0333/7633/files/7_cfe6eaf7-9e1a-47e7-a2b6-5bcf7a11b734.jpg?v=1781712349 (!!!!) (BEST SINGLE #5) 5670=2C51 GE NOS "D" getter 1950's rebranded National 1970's (6.8/10.6ma) https://tubeworldexpress.com/products/6er5-rp11 2026-07-21T12:49:22-05:00 daily https://cdn.shopify.com/s/files/1/0333/7633/files/7_665e28a2-9d36-4453-a3a8-385e7211fdca.jpg?v=1781804432 (PAIR) 6ER5 RCA NOS 1960's - 1970's (9.5ma and 9.2ma) https://tubeworldexpress.com/products/6922-philips-holland-sq-usa-gold-pins-used-75-1973 2026-07-21T12:49:22-05:00 daily https://cdn.shopify.com/s/files/1/0333/7633/files/7_af8e2bfe-5919-4525-95be-fa94e3c30320.jpg?v=1781804324 (!) 6922=E88CC Philips Holland SQ gold pins used/75% 1973 (8.8/8.5ma) (Same Gm) https://tubeworldexpress.com/products/best-pair-1-6u8a-philips-by-sylvania-nos-1986-19-0-9-8ma-and-18-4-10ma-1-3-matched-copy 2026-07-21T12:49:22-05:00 daily https://cdn.shopify.com/s/files/1/0333/7633/products/1_e30a0120-e274-470c-889c-ae66c322557e.jpg?v=1613154002 (!!!!) (Best Pair #1) 6U8A Philips by Sylvania NOS 1986 (19.0/9.8ma and 18.4/10ma) 1-3% matched (Copy) https://tubeworldexpress.com/products/6u5-rca-nos-tuning-eye-1976-bright-eye 2026-07-21T12:49:22-05:00 daily https://cdn.shopify.com/s/files/1/0333/7633/files/7_1b0cd96c-ff2f-4db3-98e0-912a51fbe95c.jpg?v=1781803654 (!!) (SINGLE) 6U5 RCA NOS Tuning Eye 1976 bright eye https://tubeworldexpress.com/products/best-value-7025-rca-gray-pinched-plates-used-good-1961-era-gm-1300-1400-and-0-6-0-8ma-recommended-for-guitar-amp 2026-07-21T12:49:22-05:00 daily https://cdn.shopify.com/s/files/1/0333/7633/files/7_fdecb3c3-c8be-4f92-b506-94ad600a9271.jpg?v=1781805606 (!!!) (Best Value) 7025 RCA gray pinched plates used/good 1961 era (Gm=1300/1400 and 0.6/0.8mA) (recommended for guitar amp) https://tubeworldexpress.com/products/12bh7a-westinghouse-canada-ribbed-plates-nos-1967-12-2-14-2ma 2026-07-21T12:49:22-05:00 daily https://cdn.shopify.com/s/files/1/0333/7633/files/7_bedf3141-c5f0-48a8-aa0d-6f68e156cbc4.jpg?v=1782023325 (!!) (Best Single) 12BH7A Westinghouse Canada ribbed plates NOS 1967 (12.2/14.2ma) https://tubeworldexpress.com/products/best-single-1-ef806s-ef86-telefunken-germany-bottom-nos-1965-3-7ma-and-gm-2300-neumann-u67-shindo-lawson 2026-07-21T12:49:22-05:00 daily https://cdn.shopify.com/s/files/1/0333/7633/files/7_f96f2623-d5bb-429c-8db2-72889b925605.jpg?v=1782021665 (!!!!!) (Best Single #1) EF806S=EF86 Telefunken Germany <> bottom NOS 1965 (3.7mA and Gm=2300) (Neumann U67, Shindo, Lawson) https://tubeworldexpress.com/products/best-overall-pair-2-ef806s-ef86-telefunken-germany-bottom-nos-1965-4-1ma-and-4-2ma-same-gm-neumann-u67-shindo-lawson 2026-07-21T12:49:22-05:00 daily https://cdn.shopify.com/s/files/1/0333/7633/files/7_d84cabb7-e01f-4f09-8981-cfee1889e572.jpg?v=1782021788 (!!!!!) (Best Overall Pair #2) EF806S=EF86 Telefunken Germany <> bottom NOS 1965 same date codes (4.1mA and 4.2ma) (Close Gm) (Neumann U67, Shindo, Lawson) https://tubeworldexpress.com/products/best-pair-2-6973-rca-nos-nos-1969-45-5ma-and-49-6ma 2026-07-21T12:49:22-05:00 daily https://cdn.shopify.com/s/files/1/0333/7633/files/7_42de0ad9-6daf-4cea-a3be-37b113601d18.jpg?v=1782069264 (!!!!) (Best Pair #2) 6973 RCA NOS NOS 1969 (45.5ma and 49.6ma) https://tubeworldexpress.com/products/best-pair-3-6973-rca-nos-nos-1969-45-5ma-and-49-6ma 2026-07-21T12:49:22-05:00 daily https://cdn.shopify.com/s/files/1/0333/7633/files/7_42de0ad9-6daf-4cea-a3be-37b113601d18.jpg?v=1782069264 (!!!!) (Best Pair #3) 6973 RCA NOS NOS 1969 (37.0ma and 39.5ma) https://tubeworldexpress.com/products/12bh7a-rv7 2026-07-21T12:49:22-05:00 daily https://cdn.shopify.com/s/files/1/0333/7633/files/7_54b4ba1f-ae24-411d-b8c0-9d6fadb27f24.jpg?v=1782133316 (!!!!) (Best Single #1) 12BH7A RCA NOS 1974 (10/8.8ma) https://tubeworldexpress.com/products/best-single-1-12bh7-super-radiotron-australia-gray-ribbed-plates-nos-1960s-10-8-8-9ma-similar-sound-to-rca-mcintosh-vtl-manley-quicksilver 2026-07-21T12:49:22-05:00 daily https://cdn.shopify.com/s/files/1/0333/7633/files/7_a4832a6d-14a4-480e-bd57-8226c414ffb4.jpg?v=1782133640 (!!!!!) (Best Single #1) 12BH7 Super Radiotron Australia gray ribbed plates NOS 1960's (10.8/8.9ma) (similar sound to RCA) (McIntosh, VTL, Manley, Quicksilver) https://tubeworldexpress.com/products/best-single-1-ef806s-ef86-telefunken-germany-bottom-nos-1965-4-4ma-and-gm-2500-neumann-u67-shindo-lawson-copy 2026-07-21T12:49:22-05:00 daily https://cdn.shopify.com/s/files/1/0333/7633/files/7_5d57a594-97df-4a0b-9a94-9aceb7872bd9.jpg?v=1782135690 (!!!!!) (Best Single #1) EF806S=EF86 Telefunken Germany <> bottom NOS 1965 (4.4mA and Gm=2500) (Neumann U67, Shindo, Lawson) https://tubeworldexpress.com/products/best-single-3-12bh7a-rca-nos-1971-8-8-12ma 2026-07-21T12:49:22-05:00 daily https://cdn.shopify.com/s/files/1/0333/7633/files/7_ac9ab0a6-5f03-4d35-9da3-3666d6b39763.jpg?v=1782135969 (!!!!) (Best Single #3) 12BH7A RCA NOS 1971 (8.8/12ma) https://tubeworldexpress.com/products/best-pair-2-7247-12dw7-mullard-uk-nos-rebranded-rca-1972-1-5-11-5ma-and-1-7-11-4ma-1-3-matched 2026-07-21T12:49:22-05:00 daily https://cdn.shopify.com/s/files/1/0333/7633/files/7_1_e12821f7-fb20-40ed-8201-7c7c2d5033d7.jpg?v=1782190626 (!!!!) (Best Pair #2) 7247=12DW7 Mullard UK NOS rebranded RCA 1972 (1.5/11.5ma and 1.7/11.4ma) 1-3% matched https://tubeworldexpress.com/products/best-pair-3-7247-12dw7-mullard-uk-nos-rebranded-rca-1972 2026-07-21T12:49:22-05:00 daily https://cdn.shopify.com/s/files/1/0333/7633/files/7_1_c1b8a24b-3cf8-41ea-8d45-6eb2f7966bdd.jpg?v=1782190747 (!!!!) (Best Pair #3) 7247=12DW7 Mullard UK NOS rebranded RCA 1972 (1.0/11.4ma and 0.9/10.8ma) 1-3% matched https://tubeworldexpress.com/products/best-value-single-ez81-mullard-blackburn-uk-branded-philips-miniwatt-holland-d-getter-used-strong-1958-55-40-and-56-40 2026-07-21T12:49:22-05:00 daily https://cdn.shopify.com/s/files/1/0333/7633/files/7_1_47e73945-0762-4835-b0e1-0ec4322e8866.jpg?v=1782410823 (!!!!) (Best Value Single) EZ81 Mullard Blackburn UK branded Philips Miniwatt Holland "D" getter used/strong 1958 (55/40 and 56/40) https://tubeworldexpress.com/products/jan-chs-6sl7wgt-sylvania-v1a 2026-07-21T12:49:22-05:00 daily https://cdn.shopify.com/s/files/1/0333/7633/files/7_1_65b0aff6-8c43-46a4-8102-83c1e46c4bec.jpg?v=1782924179 (!!!!) (Best Single) JAN-CHS-6SL7WGT Sylvania brown base short round black plates "D" getter NOS 1955 (2.1/2.5ma) https://tubeworldexpress.com/products/7355-ge-used-good-1960s-no-printing-54-5ma 2026-07-21T12:49:22-05:00 daily https://cdn.shopify.com/s/files/1/0333/7633/files/7_1_87a7313b-7eaa-42f5-9b02-72eff9095a99.jpg?v=1782924812 7355 GE used/good 1960's no printing (54.5ma) https://tubeworldexpress.com/products/best-pair-6sf7-raytheon-nos-1950s-12-8ma-and-13-4ma 2026-07-21T12:49:22-05:00 daily https://cdn.shopify.com/s/files/1/0333/7633/files/7_1_e87b5743-8daa-41ed-a38e-b0833e56ec71.jpg?v=1782754530 (!) (Best Pair #2) 6SF7 Raytheon NOS 1955 (12.8ma and 13.4ma) https://tubeworldexpress.com/products/recommended-single-5r4gy-rca-nos-1953-50-40-and-51-40 2026-07-21T12:49:22-05:00 daily https://cdn.shopify.com/s/files/1/0333/7633/files/7_1_de30bb4e-d089-4823-b946-0e03fb34802c.jpg?v=1782758762 (!!!) (Best Value) 5R4GY RCA NOS 1953 small chip off bottom edge of base (50/40 and 51/40) https://tubeworldexpress.com/products/866a-rv2 2026-07-21T12:49:22-05:00 daily https://cdn.shopify.com/s/files/1/0333/7633/files/7_1_d6fdbf87-6bc5-44e7-ba67-fa05be5b5076.jpg?v=1782759330 (!!!) (SINGLE) 866A RCA used/strong 1940's (58/40) https://tubeworldexpress.com/products/best-single-3-ec86-telefunken-germany-bottom-nos-1960s-no-printing-12-4ma-copy 2026-07-21T12:49:22-05:00 daily https://cdn.shopify.com/s/files/1/0333/7633/files/7_1_8123990e-d902-4887-bd1a-fbf7d13f9437.jpg?v=1782759662 (!!) (Best Single #3) EC86 Telefunken Germany <> bottom NOS 1960's no printing (12.4ma) (Copy) https://tubeworldexpress.com/products/12sf7-ken-rad-nos-1946-10-8ma 2026-07-21T12:49:22-05:00 daily https://cdn.shopify.com/s/files/1/0333/7633/files/7_1_9828f717-cb3f-4e80-ac4f-1ae5a73900a5.jpg?v=1782763469 12SF7 Ken Rad NOS 1946 (10.8ma) https://tubeworldexpress.com/products/best-single-2-7247-12dw7-mullard-uk-rebranded-rca-nos-1969-1-2ma-and-9-2ma-copy 2026-07-21T12:49:22-05:00 daily https://cdn.shopify.com/s/files/1/0333/7633/files/7_1_b0684aac-26a0-44f9-99ec-2952c21235b8.jpg?v=1782763835 (!!!) (Best Single #2) 7247=12DW7 Mullard UK rebranded RCA NOS 1969 (1.2ma and 9.2ma) (Copy) https://tubeworldexpress.com/products/12sf7-ken-rad-used-good-1946-10-6ma 2026-07-21T12:49:22-05:00 daily https://cdn.shopify.com/s/files/1/0333/7633/files/6_1989e21b-2753-461c-be25-0493af14ca1a.jpg?v=1784302852 12SF7 Ken Rad used/good 1946 (10.6ma) https://tubeworldexpress.com/products/best-pair-1-12au7-ecc82-mullard-uk-ribbed-plates-nos-1974-same-date-codes 2026-07-21T12:49:22-05:00 daily https://cdn.shopify.com/s/files/1/0333/7633/files/7_1_2d0b6d9b-366c-44da-85f2-f415be62a10e.jpg?v=1782835218 (!!!!!) (Best Pair #1) 12AU7=ECC82 Mullard UK ribbed plates NOS 1974 same date codes (9.2/9.1ma and 9.2/10.2ma) (Rogue, Hovland, Audio Note, Prima Luna) (Same Gm) https://tubeworldexpress.com/products/12au7-ecc82-mullard-uk-ribbed-plates-nos-1970-1972-p3 2026-07-21T12:49:22-05:00 daily https://cdn.shopify.com/s/files/1/0333/7633/files/7_1_3b15ef30-bbdf-4457-932e-1ecd051fded2.jpg?v=1782835825 (!!!!!) (Best Pair #3) 12AU7=ECC82 Mullard UK ribbed plates NOS 1970-1972 (11/10ma and 9.6/10.2ma) (Rogue, Hovland, Audio Note, Prima Luna) (Same Gm) https://tubeworldexpress.com/products/12au7-ecc82-mullard-uk-ribbed-plates-nos-p4 2026-07-21T12:49:22-05:00 daily https://cdn.shopify.com/s/files/1/0333/7633/files/7_1_63d1e3c0-0bd8-4bfe-9147-63c15eddb4b1.jpg?v=1782837061 (!!!!!) (Best Pair #3) 12AU7=ECC82 Mullard UK ribbed plates NOS 1961-1964 (10/9.6ma and 10.8/10ma) (Rogue, Hovland, Audio Note, Prima Luna) (Close Gm) https://tubeworldexpress.com/products/best-pair-1-jan-5725w-6as6-philips-by-sylvania-gray-plate-nos-1982-5-2ma-and-5-3ma 2026-07-21T12:49:22-05:00 daily https://cdn.shopify.com/s/files/1/0333/7633/files/7_1_1edca840-2e6a-4675-8fb7-4d4936b33935.jpg?v=1782932340 (!) (BEST PAIR #2) JAN-5725W=6AS6 Philips by Sylvania black plate NOS 1982 (5.2ma and 5.2ma) 1% matched https://tubeworldexpress.com/products/best-pair-2-jan-5725w-6as6-philips-by-sylvania-black-plate-nos-1982-4-6ma-and-4-9ma-same-gm 2026-07-21T12:49:22-05:00 daily https://cdn.shopify.com/s/files/1/0333/7633/files/7_1_a240f711-ea9e-42c0-b2ed-273de32d83f7.jpg?v=1782932308 (!!) (BEST PAIR #1) JAN-5725W=6AS6 Philips by Sylvania black plate NOS 1982 (4.6ma and 4.6ma) (same Gm) 1-2% matched https://tubeworldexpress.com/products/best-single-6sl7gt-ge-short-round-chrome-plates-nos-1970s-2-9-2-5ma 2026-07-21T12:49:22-05:00 daily https://cdn.shopify.com/s/files/1/0333/7633/files/6_3f9384f1-921a-4130-b901-595ad5ce0fdd.jpg?v=1783145278 (!!) (Best Single) 6SL7GT GE short round chrome plates NOS 1970's (2.9/2.5ma) https://tubeworldexpress.com/products/best-single-2-ef804s-telefunken-germany-bottom-nos-1961-3-6ma-highest-ma-and-gm-v72-v76-preamp 2026-07-21T12:49:22-05:00 daily https://cdn.shopify.com/s/files/1/0333/7633/files/7_1_f02b0119-6deb-4b5e-a976-dc44fbbed36d.jpg?v=1782189947 (!!!!) (BEST SINGLE #2) EF804S Telefunken Germany <> bottom NOS 1961 (3.6ma) (Highest mA and Gm) (V72 / V76 preamp) https://tubeworldexpress.com/products/best-pair-3-12au7-ecc82-mullard-uk-ribbed-plates-nos-1972-1976-10-2-12-8ma-and-11-2-12ma-rogue-hovland-audio-note-prima-luna-close-gm 2026-07-21T12:49:22-05:00 daily https://cdn.shopify.com/s/files/1/0333/7633/files/7_1_254efb91-634e-474a-aa60-7a796b39c20e.jpg?v=1782928622 (!!!!!) (Best Pair #3) 12AU7=ECC82 Mullard UK ribbed plates NOS 1972-1976 (10.2/12.8ma and 11.2/12ma) (Rogue, Hovland, Audio Note, Prima Luna) (Close Gm) https://tubeworldexpress.com/products/best-pair-1-jan-5725w-6as6-philips-by-sylvania-black-plate-nos-1982-6-5ma-and-6-2ma 2026-07-21T12:49:22-05:00 daily https://cdn.shopify.com/s/files/1/0333/7633/files/7_1_9d804e61-03c9-4066-a115-c8c5005eed55.jpg?v=1782932295 (!!) (BEST PAIR #1) JAN-5725W=6AS6 Philips by Sylvania black plate NOS 1982 (6.5ma and 6.2ma) https://tubeworldexpress.com/products/best-pair-2-12jb6-sylvania-nos-1960s-1970s-93ma-and-102ma 2026-07-21T12:49:22-05:00 daily https://cdn.shopify.com/s/files/1/0333/7633/files/7_1_b9608676-ae13-4045-bcea-a17523aaf876.jpg?v=1782932596 (!!!) (Best Pair #2) 12JB6 Sylvania NOS 1960's - 1970's (93ma and 102ma) https://tubeworldexpress.com/products/best-single-1-ef804s-telefunken-germany-bottom-nos-1961-4-0ma-highest-ma-and-gm-v72-v76-preamp-copy 2026-07-21T12:49:22-05:00 daily https://cdn.shopify.com/s/files/1/0333/7633/files/7_1_f02b0119-6deb-4b5e-a976-dc44fbbed36d.jpg?v=1782189947 (!!!!) (BEST SINGLE #1) EF804S Telefunken Germany <> bottom NOS 1961 (4.0ma) (Highest mA and Gm) (V72 / V76 preamp) https://tubeworldexpress.com/products/best-single-2-ef804s-telefunken-germany-bottom-nos-1961-3-6ma-v72-v76-preamp 2026-07-21T12:49:22-05:00 daily https://cdn.shopify.com/s/files/1/0333/7633/files/7_1_f02b0119-6deb-4b5e-a976-dc44fbbed36d.jpg?v=1782189947 (!!!!) (BEST SINGLE #2) EF804S Telefunken Germany <> bottom NOS 1961 (3.6ma) (V72 / V76 preamp) https://tubeworldexpress.com/products/el34-rft-east-germany-branded-telefunken-used-good-1972-76ma 2026-07-21T12:49:22-05:00 daily https://cdn.shopify.com/s/files/1/0333/7633/files/6_01e9cc39-714e-4552-bd6d-bb17ee47f237.jpg?v=1784310606 (!!!) (SINGLE) EL34 RFT East Germany branded Telefunken used/good 1972 (76ma) https://tubeworldexpress.com/products/best-pair-5bq7a-ge-gray-plates-nos-1971-10-8-10-6ma-and-10-9-3ma 2026-07-21T12:49:22-05:00 daily https://cdn.shopify.com/s/files/1/0333/7633/files/6_cf88e3ba-55e4-4c96-b9db-cf1ac7dc747f.jpg?v=1784152718 (!) (BEST PAIR) 5BZ7=5BQ7A GE gray plates NOS 1971 (10.8/10.6ma and 10/9.3ma) https://tubeworldexpress.com/products/5bq7a-ge-gray-plates-nos-1971-13-16-2ma 2026-07-21T12:49:22-05:00 daily https://cdn.shopify.com/s/files/1/0333/7633/files/6_2d8e953a-f196-482a-9fbd-6c008a2aa8aa.jpg?v=1784152640 5BZ7=5BQ7A GE gray plates NOS 1971 (13/16.2ma) https://tubeworldexpress.com/products/100-77-jfd-ballast-nos-2-in-stock 2026-07-21T12:49:22-05:00 daily https://cdn.shopify.com/s/files/1/0333/7633/files/6_563dc021-8db0-4539-9cf0-44ba180476e5.jpg?v=1783449816 100-77 JFD Ballast NOS (2 in stock) https://tubeworldexpress.com/products/best-pair-ecc801s-12at7-telefunken-germany-bottom-nos-triple-mica-1962-and-1970 2026-07-21T12:49:22-05:00 daily https://cdn.shopify.com/s/files/1/0333/7633/files/6_811c65c9-b216-4ad8-996c-73dc95953414.jpg?v=1783717421 (!!!!!) (Best Pair) ECC801S=12AT7 Telefunken Germany <> bottom NOS triple mica 1962 and 1970 (8.2/8.0mA and 8.3/8.6mA) (1-3% matched) https://tubeworldexpress.com/products/best-single-1-ecc802s-12au7-telefunken-germany-bottom-nos-1964-good-printing-11-0ma-and-11-7ma 2026-07-21T12:49:22-05:00 daily https://cdn.shopify.com/s/files/1/0333/7633/files/6_be1423f6-721e-48dd-89c2-2e1670d1b5e7.jpg?v=1783719024 (!!!!) (Best Single #1) ECC802S=12AU7 Telefunken Germany <> bottom NOS 1964 good printing (11.0ma and 11.7ma) https://tubeworldexpress.com/products/12q7gt-hytron-used-good-1940s-91-60 2026-07-21T12:49:22-05:00 daily https://tubeworldexpress.com/products/best-single-1969-ecc82-12au7-philips-holland-nos-1969-11-2-11-7ma-1-3-section-balance 2026-07-21T12:49:22-05:00 daily https://cdn.shopify.com/s/files/1/0333/7633/files/6_8a1972fb-0194-443d-ad0f-56022bc487cc.jpg?v=1783975522 (!!!!) (Best Single 1969) ECC82=12AU7 Philips Holland NOS 1969 (11.2/11.7ma) 1-3% section balance https://tubeworldexpress.com/products/6be6-cbs-nos-1960-1-3ma 2026-07-21T12:49:22-05:00 daily https://cdn.shopify.com/s/files/1/0333/7633/files/6_b56daadc-7b9d-4d89-a679-5d109457b302.jpg?v=1783976613 6BE6 CBS NOS 1960 (1.3ma) https://tubeworldexpress.com/products/3c45-6130-kuthe-labs-hydrogen-thyratron-nos-1951 2026-07-21T12:49:22-05:00 daily https://cdn.shopify.com/s/files/1/0333/7633/files/6_854b62fa-5724-4c8c-9dcb-a753aa25d3e3.jpg?v=1783980419 3C45=6130 Kuthe Labs Hydrogen Thyratron NOS 1951 https://tubeworldexpress.com/products/12au7-ei-yugoslavia-telefunken-copy-smooth-plates-branded-philips-nos-1974 2026-07-21T12:49:22-05:00 daily https://cdn.shopify.com/s/files/1/0333/7633/files/6_25633ac2-d951-4e31-93b3-01627ccea3ee.jpg?v=1783981600 (!!!!) (Single) 12AU7 EI Yugoslavia (Telefunken copy) smooth plates branded Philips NOS 1974 (8.2/7.8ma) (High Gm) https://tubeworldexpress.com/products/6cs6-rca-nos-1957-1-0ma 2026-07-21T12:49:22-05:00 daily https://cdn.shopify.com/s/files/1/0333/7633/files/6_72989abb-a39a-4ff3-ba97-a0fd9df02016.jpg?v=1784267395 6CS6 RCA NOS 1957 (1.0ma) https://tubeworldexpress.com/products/best-single-2-6c8g-rca-black-plates-nos-1957-4-2-3-8ma-same-gm 2026-07-21T12:49:22-05:00 daily https://cdn.shopify.com/s/files/1/0333/7633/files/6_858114f7-ac5a-4a29-b346-ab5339d25ef0.jpg?v=1784266256 (Best Single #2) 6C8G RCA black plates NOS 1957 (4.2/3.8ma) (Same Gm) https://tubeworldexpress.com/products/8068k-8068-ge-nos-1981-35ma 2026-07-21T12:49:22-05:00 daily https://cdn.shopify.com/s/files/1/0333/7633/files/6_8e79d2d1-1014-4de6-a1f1-8ef044ab2e77.jpg?v=1784266644 (!!) 8068K=8068 GE NOS 1981 (35ma) https://tubeworldexpress.com/products/best-pair-2-e810f-7788-amperex-pq-usa-nos-gold-pins-1974-1976-46ma-and-47ma 2026-07-21T12:49:22-05:00 daily https://cdn.shopify.com/s/files/1/0333/7633/files/7_524c70f7-9933-4f37-b55d-9cb746decacd.jpg?v=1780868888 (!!!!) (Best Pair #2) E810F=7788 Amperex PQ USA NOS gold pins 1974-1976 (46ma and 47ma) https://tubeworldexpress.com/products/best-overall-single-2-8417-sylvania-nos-106-5ma 2026-07-21T12:49:22-05:00 daily https://cdn.shopify.com/s/files/1/0333/7633/files/6_37cdcd28-a51c-461f-816e-fc77d8c901fd.jpg?v=1784136171 (!!!) (Best Single #3) 8417 Sylvania NOS 1970 era (106.5ma) https://tubeworldexpress.com/products/100-70-jfd-ballast-nos 2026-07-21T12:49:22-05:00 daily https://cdn.shopify.com/s/files/1/0333/7633/files/6_91940211-db42-41a2-84a2-bd457dfde5ce.jpg?v=1784132481 100-70 JFD Ballast NOS https://tubeworldexpress.com/products/pair-12x4-rca-black-plates-nos-1970-44-47-40-and-44-47-40 2026-07-21T12:49:22-05:00 daily https://cdn.shopify.com/s/files/1/0333/7633/files/6_b5ea7e35-2dc0-4bfb-87ce-dd1e3051394f.jpg?v=1784134425 (!!) (Pair) 12X4 RCA black plates NOS 1970 (44-47/40 and 44-47/40) https://tubeworldexpress.com/products/6be6-ge-japan-branded-great-britain-nos-2-9ma 2026-07-21T12:49:22-05:00 daily https://cdn.shopify.com/s/files/1/0333/7633/files/6_39f00063-86a3-4ec3-8d6e-757efa564703.jpg?v=1784136042 6BE6 GE Japan branded Great Britain NOS (2.9ma) https://tubeworldexpress.com/products/6ac7-ge-nos-1959-12ma 2026-07-21T12:49:22-05:00 daily https://cdn.shopify.com/s/files/1/0333/7633/files/6_cda417bb-b07a-4fba-a3eb-2cc53dd76090.jpg?v=1784152169 6AC7 GE NOS 1959 (12ma) https://tubeworldexpress.com/products/6ac7-gm-delco-by-rca-nos-1940s-12ma 2026-07-21T12:49:22-05:00 daily https://cdn.shopify.com/s/files/1/0333/7633/files/6_2b629aad-c873-4716-a51a-03620b21afdb.jpg?v=1784152362 6AC7 GM Delco by RCA NOS 1940's (12ma) https://tubeworldexpress.com/products/6a8g-raytheon-nos-1950 2026-07-21T12:49:22-05:00 daily https://cdn.shopify.com/s/files/1/0333/7633/files/6_134d389a-2587-4e2b-9c66-e6b6229c6b9b.jpg?v=1784152992 6A8G Raytheon NOS 1950 https://tubeworldexpress.com/products/80-nup1 2026-07-21T12:49:22-05:00 daily https://cdn.shopify.com/s/files/1/0333/7633/files/6_d5621658-fec9-4df4-9f39-b18ed744ac70.jpg?v=1784314003 (!!!!) (Best Overall Pair) 80 National Union NOS 1950 era (56-62/40 and 56-62/40) (best sound) https://tubeworldexpress.com/products/80-national-union-nos-1950-era-54-40-and-58-40 2026-07-21T12:49:22-05:00 daily https://tubeworldexpress.com/products/47-ge-nos-1948-41ma 2026-07-21T12:49:22-05:00 daily https://cdn.shopify.com/s/files/1/0333/7633/files/6_4e15b15a-1225-495b-a04e-ec3cf2b07fdd.jpg?v=1784267005 (!) 47 GE NOS 1948 (41ma and Gm=3100) (Highest mA and Gm) https://tubeworldexpress.com/products/6f8g-rayv5 2026-07-21T12:49:22-05:00 daily https://cdn.shopify.com/s/files/1/0333/7633/files/6_6c91d914-c5cc-4e6b-b54b-2c7ac935130d.jpg?v=1784267728 6F8G Raytheon NOS 1945 era (5.8/5.4ma) https://tubeworldexpress.com/products/6f8g-raytheon-staggered-black-ribbed-plates-used-strong-1940s-7-6ma-and-8-8ma 2026-07-21T12:49:22-05:00 daily https://cdn.shopify.com/s/files/1/0333/7633/files/6_e687f795-6111-49ee-a88d-1251728f7352.jpg?v=1784268035 6F8G Raytheon staggered black ribbed plates used/strong 1940's (7.6ma and 8.8ma) https://tubeworldexpress.com/products/best-single-8417-sylvania-nos-1970s-110-5ma 2026-07-21T12:49:22-05:00 daily https://cdn.shopify.com/s/files/1/0333/7633/files/6_86a0aa67-59e2-4ef2-921b-285ed527b9f3.jpg?v=1784268869 !!!) (Best Single) 8417 Sylvania NOS 1970's (110.5ma) https://tubeworldexpress.com/products/best-single-8417-sylvania-nos-1970s-113-5ma 2026-07-21T12:49:22-05:00 daily https://cdn.shopify.com/s/files/1/0333/7633/files/6_0d004725-b5f5-45ad-b604-db4ebedcf997.jpg?v=1784273498 !!!) (Best Single) 8417 Sylvania NOS 1970's (113.5ma) https://tubeworldexpress.com/products/best-single-5725w-6as6-phillips-by-sylvania-nos-7ma 2026-07-21T12:49:22-05:00 daily https://cdn.shopify.com/s/files/1/0333/7633/files/6_3feb21af-6838-403f-80b8-f5e9ea890c33.jpg?v=1784302665 (!) (Best Single) 5725W=6AS6 Phillips by Sylvania NOS (7ma) https://tubeworldexpress.com/products/best-pair-2-e810f-7788-amperex-pq-usa-nos-gold-pins-1974-1976-49ma-and-51-5ma-copy 2026-07-21T12:49:22-05:00 daily https://cdn.shopify.com/s/files/1/0333/7633/files/7_524c70f7-9933-4f37-b55d-9cb746decacd.jpg?v=1780868888 (!!!!) (Best Pair #2) E810F=7788 Amperex PQ USA NOS gold pins 1974-1976 (49ma and 51.5ma) https://tubeworldexpress.com/products/best-single-6v6gt-ge-nos-1947-41-5ma 2026-07-21T12:49:22-05:00 daily https://cdn.shopify.com/s/files/1/0333/7633/files/6_1de256c0-9366-4932-b4d2-3b2ceafe17e7.jpg?v=1784310081 (!!!!!) (Best Single) 6V6GT GE NOS 1947 (41.5ma) https://tubeworldexpress.com/products/best-single-4-8417-sylvania-nos-1970-era-80ma 2026-07-21T12:49:22-05:00 daily https://cdn.shopify.com/s/files/1/0333/7633/files/6_c983c9f8-1647-4bcc-8ca1-59e91af08e35.jpg?v=1784310498 (!!!) (Best Single #4) 8417 Sylvania NOS 1970 era (80ma) https://tubeworldexpress.com/products/best-single-6146b-sylvania-nos-1970s-107ma 2026-07-21T12:49:22-05:00 daily https://cdn.shopify.com/s/files/1/0333/7633/files/6_79006cfd-1b09-460c-96b7-32dc894b19df.jpg?v=1784314193 (!!) (Best Single) 6146B Sylvania NOS 1970's (107ma) https://tubeworldexpress.com/products/6146b-rca-nos-1970s-89ma 2026-07-21T12:49:22-05:00 daily https://cdn.shopify.com/s/files/1/0333/7633/files/6_32103a62-3190-4a5a-8418-2541a9984d82.jpg?v=1784314330 (!!) (Single) 6146B RCA NOS 1970's (89ma) https://tubeworldexpress.com/products/japan-6dj8-m3624-toshiba-japan-used-good-1960s-10-5-16ma 2026-07-21T12:49:22-05:00 daily https://cdn.shopify.com/s/files/1/0333/7633/files/6_38907936-d89a-482b-955c-4ba0755675ee.jpg?v=1784318293 (!) (Japan) 6DJ8=M3624 Toshiba Japan used/good 1960's (10.5/16ma) https://tubeworldexpress.com/products/ecc88-6dj8-rft-east-germany-branded-ediswan-nos-1980-era-14-13-6ma 2026-07-21T12:49:22-05:00 daily https://cdn.shopify.com/s/files/1/0333/7633/files/6_204d8364-43b5-4f0e-81a4-697fffd5c178.jpg?v=1784603538 (!!!) (BEST VALUE SINGLE) ECC88=6DJ8 RFT East Germany branded Ediswan NOS 1980 era (14/13.6ma) https://tubeworldexpress.com/products/6au6a-ge-nos-1977-7-7ma-sony-copy 2026-07-21T12:49:22-05:00 daily https://cdn.shopify.com/s/files/1/0333/7633/files/3_f330e0bc-6323-4644-8b97-fd247c92b5b7.jpg?v=1771961262 6AU6A GE NOS 1977 (7.0ma) (Sony) https://tubeworldexpress.com/products/best-pair-6j5gt-raytheon-black-ribbed-plate-nos-1950-era-8-2ma-and-8-2ma-1-2-matched-same-gm 2026-07-21T12:49:22-05:00 daily https://cdn.shopify.com/s/files/1/0333/7633/files/1_651fd95c-96ec-4be7-ba1e-d3a5b8dccd76.jpg?v=1718653106 (!!!!!) (Best Pair) 6J5GT Raytheon black ribbed plate NOS 1950 era (8.2ma and 8.4ma) 1-2% matched (same Gm) https://tubeworldexpress.com/products/6w6gt-tungsol-coated-glass-nos-1960-era-50ma 2026-07-21T12:49:22-05:00 daily https://cdn.shopify.com/s/files/1/0333/7633/files/6_232c48fc-18e8-4e13-851e-8de89c2aeb62.jpg?v=1784603790 6W6GT Tungsol coated glass NOS 1960 era (50ma)