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.
Item Tag: SYLVANIA
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MATCHED PAIR SYLVANIA 6SN7GTB Chrome Dome VINTAGE Vacuum Tubes TESTED H.9153
Model 6SN7GTB. Condition Tested. ALL TUBE AUDIO. Minimum Good Value: 50/50.
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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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SYLVANIA JAN OB2WA TUBES MERIT AND DATE MATCHED PAIR (2 pcs)total) best on Ebay!
These were approved to go to war to defend our country so they are surely good enough to work in your guitar amplifier perfectly. Also they will be date matched, to insure they will also work better together !
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6C6 Vacuum Tube Tested near NOS.
6C6 Vacuum Tube near New Old Stock. Found in storage box of 100 tubes. All 100 tubes are 6C6 and in box stating “SKY-TRON Tubes” Almost all are unbranded. We can discuss if you would like any of the branded ones I have left.
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Pair of Sylvania (West. lbl) 5692 Brown Base NOS NIB Vacuum Tubes – 9% matched
Fine pair of Sylvania 5692 brown base tubes, labeled for Westinghouse, with original boxes. Gm matched to about 9% difference on the Amplitrex AT1000. Shiny black plates, micanol bases, multiple support rods, thick glass, triple micas, and double getters all make for a bulletproof tube.
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Sylvania Gold Brand 5Y3WGTA Rectifier Tube Brown Base Black Plate Tested NOS/NIB
Constructed with black plates, brown base, and top getter. Original box shows shelf wear/split top.
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Sylvania JAN-CHS 6SN7WGT 1952 Brown Base Chrome Dome Tube Tested 2650/2800
The original Sylvania contract box is included and is marked by Sylvania Electric. Tube has been carefully photographed from all sides, including the pin base and internal construction.
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NOS NIB Sylvania 6V6GTA Vacuum Tube USA VTG – Brown Base Smoked Glass Gm Tested
NOS, NIB Sylvania 6V6GTA Vacuum Tube. Made in USA. Found at an estate sale in the pictured box. No grid emissions (gas) or shorts. Test results: 111. For reference, the minimum “Good” on the 707 is 65 and most NOS 6V6 type tubes test 100+.