Rare late-1968 Sylvania production featuring the highly sought-after PERFECT MATCHED SET. BLACK V PLATES. Matched Codes: 6844 AKL. EXCL USIVE HIGH FIDELTY TUBE. ✅ Strong Matching Pair. Production Year: Emporium, PA – 1968.
Item Tag: 6SN7
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SYLVANIA 6SN7 GTB TUBE 1959 CHROME TOPPED HALO BLACK PLATES MATCHING SET
✔ Custom 6SN7 platforms. 🔥 Genuine U.S.A. Sylvania manufacture (EIA 312). 🔥 Date coded 312-939 (39th week of 1959). MATCHED SET. BLACK V PLATES. 🔥 Matched pair. EXCL USIVE HIGH FIDELTY TUBE. Production Year: Emporium, PA – September 1959.
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SYLVANIA 6SN7 GTB TUBE 1959 CHROME TOPPED HALO BLACK PLATES MATCHING SET
✔ Custom 6SN7 platforms. 🔥 Genuine U.S.A. Sylvania manufacture (EIA 312). 🔥 Date coded 312-939 (39th week of 1959). MATCHED SET. BLACK V PLATES. 🔥 Matched pair. EXCL USIVE HIGH FIDELTY TUBE. Production Year: Emporium, PA – September 1959.
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SYLVANIA 6SN7 GTB 1977 TUBE 2 HOLE TOUGH DOG FOIL GETTER MATCHED SET NIB
Matched Codes: KC. LEGENDARY TOUGH DOGS. I mark every tube in order to avoid tube rolling! 2 HOLE BOXED T PLATES. PERFECT MATCHING SET. EXCL USIVE HIGH FIDELTY TUBE. Tall Black Base. BEST TUBES ON THE MARKET. NO LEAKS. NO SHORTS.
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Matched Pair +1 RCA 6SN7GTB Staggered Black Plate Tubes Balanced STRONG 3pc 6SN7
RCA 6SN7GTB. Matched Pair +1.
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Vacuum Tube Display Stand Holder 4 pin & Octal 8 pin socket: 300B, 45, 6SN7, 6L6
Display Stand Holder that holds a total of (4) tubes for 8 Pin Octalvacuum tubes and 4-Pin tubes. Fits (6SN7, 12SN7, 5AR4, 6V6, 6L6, EL34, etc.) in the Octal sockets. Fits ( 300B, 811A, 45, 80, 2A3, etc. any 4-Pin tube) in the 4-Pin socket.
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Vacuum Tube Display Stand Holder 4 pin & 9 pin B9A socket 300B, 45, 12AX7, 12AU7
Vacuum tube Display Stand Holder for 9-Pin B9A vacuum tubes and4-Pin tubes. Great way to display tubes for tube rolling or to keep matching tubes together. This is a combo display for both 9-Pin B9A and 4 -pin vacuum tubes.
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Matched Quad (4) Sylvania 6SN7GTB Black V Plate Tubes 539C&Maxi Test NOS NIB🌊
Matched Quad (4) Sylvania 6SN7GTB Black V Plate O Top Getter Tubes 539C&Maxi Tested NOS NIB. Near perfectly matched for both GM and MU (Gain). Nice shiny getters and pins. Date codes are also matching.
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2 Vintage 1958 Sylvania 6SN7GTB Tubes Pair Chrome Dome Black Plates Preamp Amp 2
You are buying the 2 tubes as titled and pictured. This particular pair tests strong and are closely matched. Made by Sylvania, labeled for Baldwin. Both date codes match. The tubes’ test results are displayed in the photos (New 6SN7 Spec 100% = 2,600 Gm).