✔ 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.
Item Tag: Valve
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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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SYLVANIA 6SN7 GTB TUBE 1968 CHROME TOP HALO BLACK V PLATES MATCHED SET
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.
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2 pcs. Chassis Mount 8pin Bakelite Octal Valve Tube Socket For EL34 6V6 6L6 KT88
You get – 2 pcs. Chassis Mount 8pin Bakelite Octal Valve Tube Socket For EL34 6V6 6L6 KT88
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2PCS 9 pin ChromeB9A Bakelite Vacuum Tube Socket Valve Base For 12AX7with shield
You get – 2PCS, 9 pin Chrome B9A Bakelite Vacuum Tube Socket Valve Base For 12AX7 with shield
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NOS 6SN7 GTB Carbonized Black Plates Ring Getter Mullard Tooling, 1-gold Pin
NOS tubes fall within the Gm characteristic range of an average tube, as published in the RCA RECEIVING TUBE MANUAL, which states “Individual tubes, like any manufactured product, may have characteristics that range above or below the values given.
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NOS Matched Quad GE 6SN7 GTB Red Label Side Getters OLD STOCK 60s
NOS tubes fall within the Gm characteristic range of an average tube, as published in the RCA RECEIVING TUBE MANUAL, which states “Individual tubes, like any manufactured product, may have characteristics that range above or below the values given.