https://tubeworldexpress.com/products/best-pair-jan-chy-0c3-vt-200-hytron-nos-1945-argon 2026-08-31T13:03:13-05:00 daily https://cdn.shopify.com/s/files/1/0333/7633/files/6_ee897147-d5db-4be6-a0ab-c33f280f5208.jpg?v=1787349009 (!!) (Best Pair) JAN-CHY-0C3=VT-200 Hytron NOS 1945 (argon) https://tubeworldexpress.com/products/6am5-el91-amperex-great-britian-by-mullard-nos-1968-3-in-stock 2026-08-31T13:03:13-05:00 daily https://cdn.shopify.com/s/files/1/0333/7633/files/6_b7b67395-5af2-43ce-92a3-aacf7aa658f7.jpg?v=1787681455 6AM5=EL91 Amperex Great Britian by Mullard NOS 1968 (3 in stock) https://tubeworldexpress.com/products/best-pair-jan-6x4wa-sylvania-nos-1967-54-56-40-and-54-58-40 2026-08-31T13:03:13-05:00 daily https://cdn.shopify.com/s/files/1/0333/7633/files/6_96f03cee-3a99-4508-ae9d-df762bda098f.jpg?v=1787721812 (!!!) (BEST PAIR) JAN-6X4WA Sylvania NOS 1967 (54-56/40 and 54-58/40) https://tubeworldexpress.com/products/0d3-rca-nos-1940s-argon 2026-08-31T13:03:13-05:00 daily https://cdn.shopify.com/s/files/1/0333/7633/files/6_b55b15a9-988d-44cf-98ec-ed46b077da59.jpg?v=1787722000 0D3 RCA NOS 1940's (argon) https://tubeworldexpress.com/products/0d3-hytron-nos-1953-argon 2026-08-31T13:03:13-05:00 daily https://cdn.shopify.com/s/files/1/0333/7633/files/6_6c30035d-d9ab-4bed-a350-b4f88beaa0b8.jpg?v=1787722146 0D3 Hytron NOS 1953 (argon) https://tubeworldexpress.com/products/pair-6ac7-1852-ken-rad-used-strong-1940s-9-6-10ma 2026-08-31T13:03:13-05:00 daily https://cdn.shopify.com/s/files/1/0333/7633/files/7_c04e3fd1-1a27-4365-92f1-ef8032398a3f.jpg?v=1787757191 (Pair) 6AC7=1852 Ken Rad used/strong 1940's (9.6/10ma) https://tubeworldexpress.com/products/best-single-cv4003-12au7-6189-mullard-uk-nos-1978-rebranded-6189-rtc-1981-9-8-10-6ma-high-gm 2026-08-31T13:03:13-05:00 daily https://cdn.shopify.com/s/files/1/0333/7633/files/1_bb816f1b-2a5d-4909-899f-7315d7fd8f39.jpg?v=1684872818 (!!!!) (Best Single) CV4003=12AU7=6189 Mullard UK NOS 1978 rebranded "6189 RTC" 1981 (9.8/10.6mA) (High Gm) https://tubeworldexpress.com/products/single-cv4003-12au7-6189-mullard-uk-nos-1978-rebranded-6189-rtc-1981-7-8-8-2ma 2026-08-31T13:03:13-05:00 daily https://cdn.shopify.com/s/files/1/0333/7633/files/1_8f95c76c-f8c4-4444-9d13-6e112e853d64.jpg?v=1703086168 (!!!!) (Best Value Single) CV4003=12AU7=6189 Mullard UK NOS 1978 rebranded "6189 RTC" 1981 (7.8/8.2ma)