6SN7

July 6, 2008 | Leave a Comment

The 6SN7 tube is a medium-mu twin triode in an octal based package, usually glass, although some metal envelope types were made. In normal use it operates as a class A amplifier. It was widely used in the early days of television as the vertical amplifier, and it's use was so common in most TV chassis designs that vintage 6SN7 tubes are still fairly easy to find today. Audio designers soon found it made a great audio preamp with it's large plates, ample power reserve, and low microphonic octal package. The GTA and GTB types, having been fine tuned for demands in television chassis vertical sweep circuits, can handle up to 7 watts maximum plate power!




Sylvania USA 6SN7GTB Black T Angled Plate  Foil Get Chrome Vacuum Tube 78 110
Sylvania USA 6SN7GTB Black T Angled Plate Foil Get Chrome Vacuum Tube 78 110
$5.21
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6sn7 metal base pair matched
6sn7 metal base pair matched
$59.99
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Vintage Vacuum Tube Lot Raytheon 6SN7 Good Working Condition 39 in All
Vintage Vacuum Tube Lot Raytheon 6SN7 Good Working Condition 39 in All
$49.50 (1 Bid)
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Tung Sol 6SN7 GTB TALL BOTTLE SAME CODE MATCHED PAIR NOS NIB 539C Tested
Tung Sol 6SN7 GTB TALL BOTTLE SAME CODE MATCHED PAIR NOS NIB 539C Tested
$19.99
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Hickok Tested NOS Pair Sylvania 6SN7 GTB Tubes Black Plates Halo Getter
Hickok Tested NOS Pair Sylvania 6SN7 GTB Tubes Black Plates Halo Getter
$45.99
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Westinghouse USA 6SN7GT Black Flat Offset Plate Top  Get Vacuum Tube 122 67
Westinghouse USA 6SN7GT Black Flat Offset Plate Top Get Vacuum Tube 122 67
$7.46
Time Remaining: 1h 42m
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RCA 6SN7GTB used
RCA 6SN7GTB used
$0.99
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Sylvania 6SN7 GTB Used
Sylvania 6SN7 GTB Used
$0.99
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2 RCA 6SN7 GTB VACUUM TUBES DATE MATCHED SET TESTED ON TV 7
2 RCA 6SN7 GTB VACUUM TUBES DATE MATCHED SET TESTED ON TV 7
$79.95
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Sylvania 6SN7 GTB Audio Tubes Lot of 4 Made in Germany
Sylvania 6SN7 GTB Audio Tubes Lot of 4 Made in Germany
$79.33
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General Electric 6SN7 GTB Audio Tubes 2 Made in UK
General Electric 6SN7 GTB Audio Tubes 2 Made in UK
$39.64
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1 ge jan 6sn7gt tested good lot 10
1 ge jan 6sn7gt tested good lot 10
$9.99
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1963 Westinghouse 6SN7GTB Gray Flat P Solid Disc Get TALL Vacuum Tube 107 93
1963 Westinghouse 6SN7GTB Gray Flat P Solid Disc Get TALL Vacuum Tube 107 93
$9.71
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4 Strong Matched Sylvania Black Plate Top O Getter 6SN7GTB Tubes QUAD
4 Strong Matched Sylvania Black Plate Top O Getter 6SN7GTB Tubes QUAD
$74.99
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2 Strong Matched GE Gray Plate Side FAT D Getter 6SN7GTA Tubes 3
2 Strong Matched GE Gray Plate Side FAT D Getter 6SN7GTA Tubes 3
$29.99
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2 Strong Matched GE Gray Plate Side FAT D Getter 6SN7GTB Tubes 2
2 Strong Matched GE Gray Plate Side FAT D Getter 6SN7GTB Tubes 2
$29.99
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2 Strong Matched GE Gray Plate Side FAT D Getter 6SN7GTA Tubes
2 Strong Matched GE Gray Plate Side FAT D Getter 6SN7GTA Tubes
$29.99
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1 RCA Coin Base 6SN7 GTB Vacuum Tube Tested New On Calibrated TV 7
1 RCA Coin Base 6SN7 GTB Vacuum Tube Tested New On Calibrated TV 7
$24.95
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Pair 2 RCA 6SN7GT Tubes with Boxes
Pair 2 RCA 6SN7GT Tubes with Boxes
$32.95
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2 matched 1960 RCA 6SN7GTB tubes Black OffSet Plates Bottom   Getter
2 matched 1960 RCA 6SN7GTB tubes Black OffSet Plates Bottom Getter
$75.95
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1pc Gold plated Raytheon 38616 To 6SN7 ECC32 B65 CV181 Tube converter adapter
1pc Gold plated Raytheon 38616 To 6SN7 ECC32 B65 CV181 Tube converter adapter
$20.90
Time Remaining: 3h 19m
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NOS SYLVANIA 6SN7GTB CHROME DOME Matching Pair preamp tubes
NOS SYLVANIA 6SN7GTB CHROME DOME Matching Pair preamp tubes
$95.00
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1 Sylvania JAN 6SN7 GT VT 231 Vacuum Tube Tested Good On Calibrated TV 7
1 Sylvania JAN 6SN7 GT VT 231 Vacuum Tube Tested Good On Calibrated TV 7
$24.95
Time Remaining: 3h 34m
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Lot of 3 GE Magnavox 6SN7 Vacuum Tubes Tested Good On Calibrated TV 7
Lot of 3 GE Magnavox 6SN7 Vacuum Tubes Tested Good On Calibrated TV 7
$9.95
Time Remaining: 3h 59m
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1pc Machine made beryllium copper 8 pin Teflon tube socket KT88EL346SN7
1pc Machine made beryllium copper 8 pin Teflon tube socket KT88EL346SN7
$10.01
Time Remaining: 4h 5m
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2 x Machine made Teflon tube socket 8 Pin for KT88EL346SN7 beryllium copper
2 x Machine made Teflon tube socket 8 Pin for KT88EL346SN7 beryllium copper
$20.02
Time Remaining: 4h 12m
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One Sylvania JAN CHS 6SN7 Silver Top Military Issue Tube
One Sylvania JAN CHS 6SN7 Silver Top Military Issue Tube
$68.00
Time Remaining: 4h 27m
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1 6sn7gtb nice clean tests good lot 20
1 6sn7gtb nice clean tests good lot 20
$9.99
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2 6sn7gtb nice clean test good lot 21
2 6sn7gtb nice clean test good lot 21
$14.99
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3 Vintage RCA 6SN7 GTBs NOS Strong
3 Vintage RCA 6SN7 GTBs NOS Strong
$38.00
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1 quad Vintage 1960 RCA 6SN7 GTB Black plate  Strong
1 quad Vintage 1960 RCA 6SN7 GTB Black plate Strong
$78.00
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1 Matched pair Vintage 1950s Sylvania 6SN7 GTAs Black plates
1 Matched pair Vintage 1950s Sylvania 6SN7 GTAs Black plates
$45.00
Time Remaining: 4h 54m
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Custom 6SN7 Classic Tube Line Preamp
Custom 6SN7 Classic Tube Line Preamp
$1,325.00
Time Remaining: 4h 56m
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2pc 8pin Octal Ceramic Tube Socket K8A Chassis KT88 6SN7 EL34 6P3 Tube Amp Part
2pc 8pin Octal Ceramic Tube Socket K8A Chassis KT88 6SN7 EL34 6P3 Tube Amp Part
$4.50
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Two 6SN7 GT Sylvania 2 Hole Plate Reference Plus Grade Superb Vintage Tubes
Two 6SN7 GT Sylvania 2 Hole Plate Reference Plus Grade Superb Vintage Tubes
$125.00
Time Remaining: 5h 8m
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2 GE electronic tubes 6SN7GTB and 11BQ11 NOS
2 GE electronic tubes 6SN7GTB and 11BQ11 NOS
$14.98
Time Remaining: 5h 31m
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1pc Gold plated 12AU7 ECC82 12AX7 TO 6SN7 6SL7 B65 tube converter adapter
1pc Gold plated 12AU7 ECC82 12AX7 TO 6SN7 6SL7 B65 tube converter adapter
$9.90
Time Remaining: 5h 33m
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New Matched Pair Hifi PSVANE HIFI 6SN7 Electron Tube Replace CV181 Ceramic Base
New Matched Pair Hifi PSVANE HIFI 6SN7 Electron Tube Replace CV181 Ceramic Base
$85.00
Time Remaining: 7h 33m
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Arcturus USA 6SN7GT 6SN7 6SN7GTB VT231 strong NIB tube plus bonus Arc
Arcturus USA 6SN7GT 6SN7 6SN7GTB VT231 strong NIB tube plus bonus Arc
$42.00
Time Remaining: 7h 55m
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Matched Pair GE 6SN7 GTA Vacuum Tubes Strong  Balanced 2625 2645 2760 2950
Matched Pair GE 6SN7 GTA Vacuum Tubes Strong Balanced 2625 2645 2760 2950
$68.99
Time Remaining: 8h 19m
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USA Japan Westinghouse 6SN7GTB 6SN7GT 6SN7 grey  black plate NIB NOS quad tubes
USA Japan Westinghouse 6SN7GTB 6SN7GT 6SN7 grey black plate NIB NOS quad tubes
$66.00
Time Remaining: 8h 40m
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B65  Lot of 2 tubes  6SN7GT PINNACLE NOS Unopened box
B65 Lot of 2 tubes 6SN7GT PINNACLE NOS Unopened box
$610.00
Time Remaining: 9h 13m
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4pcs Shuguang Treasure CV181 ZCV181 T6SN7 T6N8PVacuum Tubes Matched Quad
4pcs Shuguang Treasure CV181 ZCV181 T6SN7 T6N8PVacuum Tubes Matched Quad
$235.00
Time Remaining: 9h 20m
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1 GE 6SN7 GTA Vacuum Tube Tested New On Calibrated TV 7
1 GE 6SN7 GTA Vacuum Tube Tested New On Calibrated TV 7
$9.95
Time Remaining: 9h 55m
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2 Matching GE 6SN7 GTB Vacuum Tubes Tested New On Calibrated TV 7
2 Matching GE 6SN7 GTB Vacuum Tubes Tested New On Calibrated TV 7
$29.95
Time Remaining: 9h 56m
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3 Sylvania 6SN7 GTB Vacuum Tubes Tested New On Calibrated TV 7
3 Sylvania 6SN7 GTB Vacuum Tubes Tested New On Calibrated TV 7
$39.95
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8pc Gold Ceramic Tube Socket K8A 8Pin Fr EL34 5Y6GT 6550 KT88 6SN7 6L6 6CK5 KT66
8pc Gold Ceramic Tube Socket K8A 8Pin Fr EL34 5Y6GT 6550 KT88 6SN7 6L6 6CK5 KT66
$15.42
Time Remaining: 10h 13m
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4pc 8pin CMC Style Ceramic Tube Socket Gold For 6SN7 EL34 5AR4 KT88 Valve Amp
4pc 8pin CMC Style Ceramic Tube Socket Gold For 6SN7 EL34 5AR4 KT88 Valve Amp
$26.39
Time Remaining: 10h 31m
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1pc Shuguang Audio Vacuum Tube 6SN7GT 6SN7 Valve New
1pc Shuguang Audio Vacuum Tube 6SN7GT 6SN7 Valve New
$12.99
Time Remaining: 10h 44m
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10pc Bakelite Tube Socket K8A Base Chassis 8Pin For 5AR4 EL34 6SN7 6V6 6L6 KT66
10pc Bakelite Tube Socket K8A Base Chassis 8Pin For 5AR4 EL34 6SN7 6V6 6L6 KT66
$15.84
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Vacuum Tube Triode Lot 6SN7 RCA 6V6 Gray Glass Audio Tubes Hickok Tested
Vacuum Tube Triode Lot 6SN7 RCA 6V6 Gray Glass Audio Tubes Hickok Tested
$40.00
Time Remaining: 11h 5m
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Brand new PSVANE UK 6SN7 vacuum tube replace to 6N8Pmatched tested 1pair
Brand new PSVANE UK 6SN7 vacuum tube replace to 6N8Pmatched tested 1pair
$79.99
Time Remaining: 11h 39m
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5pcs 8PIN PCB MOUNT SILVER CERAMICS VACCUM TUBE SOCKET 6L6 EL34 KT88 6550 6SN7
5pcs 8PIN PCB MOUNT SILVER CERAMICS VACCUM TUBE SOCKET 6L6 EL34 KT88 6550 6SN7
$8.48
Time Remaining: 11h 49m
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10pcs 8PIN PCB MOUNT SILVER CERAMICS VACCUM TUBE SOCKET 6L6 EL34 KT88 6550 6SN7
10pcs 8PIN PCB MOUNT SILVER CERAMICS VACCUM TUBE SOCKET 6L6 EL34 KT88 6550 6SN7
$13.16
Time Remaining: 11h 53m
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2pc Bakelite Vacuum Tube Saver Socket K8A 8Pin EL34 6SN7 KT88 6L6 5AR4 5U4G KT66
2pc Bakelite Vacuum Tube Saver Socket K8A 8Pin EL34 6SN7 KT88 6L6 5AR4 5U4G KT66
$10.11
Time Remaining: 12h 7m
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Sylvania Chrome Dome 6SN7GTB 6SN7GTA 6SN7 eight strong tall  short glass tubes
Sylvania Chrome Dome 6SN7GTB 6SN7GTA 6SN7 eight strong tall short glass tubes
$82.00
Time Remaining: 12h 21m
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EARLY BRIMAR 6SN7GT CV1988 B65 VALVES NEW UNUSED TESTED PAIR TUBES
EARLY BRIMAR 6SN7GT CV1988 B65 VALVES NEW UNUSED TESTED PAIR TUBES
$154.29
Time Remaining: 12h 29m
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2x ELECTRICALLY MATCHED 6N8S NIB 80s STRONG PAIR TUBES 6SN7
2x ELECTRICALLY MATCHED 6N8S NIB 80s STRONG PAIR TUBES 6SN7
$16.05
Time Remaining: 12h 57m
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1pc 6SN7 6SL7 TO 12AU7 12AX7 63v filament tube adapter
1pc 6SN7 6SL7 TO 12AU7 12AX7 63v filament tube adapter
$9.90
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Strong Philco by Sylvania Black Plate 6SN7GTB Tube
Strong Philco by Sylvania Black Plate 6SN7GTB Tube
$14.99
Time Remaining: 14h 12m
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Strong Sylvania Black Plate Top O Getter 6SN7GTB Tube 3
Strong Sylvania Black Plate Top O Getter 6SN7GTB Tube 3
$18.74
Time Remaining: 14h 15m
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Vintage RCA 6SN7 tube
Vintage RCA 6SN7 tube
$36.00
Time Remaining: 14h 15m
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Strong Sylvania Black Plate Side O Getter 6SN7GTB Tube
Strong Sylvania Black Plate Side O Getter 6SN7GTB Tube
$18.74
Time Remaining: 14h 16m
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6n8s 1578 6sn7 ussr double triode tubes melz lot of 2 nos metal base tested
6n8s 1578 6sn7 ussr double triode tubes melz lot of 2 nos metal base tested
$75.00
Time Remaining: 14h 52m
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Sylvania Set of Three 6SN7 GTB Vacuum Tubes Matching Date Codes FG 2 Matched
Sylvania Set of Three 6SN7 GTB Vacuum Tubes Matching Date Codes FG 2 Matched
$65.00
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SYLVANIA BAD BOYS 6SN7 GTA Well Balanced Gm  Ip PLATINUM MATCHED PAIR
SYLVANIA BAD BOYS 6SN7 GTA Well Balanced Gm Ip PLATINUM MATCHED PAIR
$77.74
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2pcs 6N8S 1578 6SN7 RARE Metal base NOS MELZ 1950s PAIR
2pcs 6N8S 1578 6SN7 RARE Metal base NOS MELZ 1950s PAIR
$109.00
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Finished E 200 Pure tube Class A headphone amplifier 6SN7 X2 + 12AX7
Finished E 200 Pure tube Class A headphone amplifier 6SN7 X2 + 12AX7
$236.00
Time Remaining: 15h 22m
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Sylvania 6SN7 GTB Red Graphic Vacuum Tubes 4 Strong Quad NOS
Sylvania 6SN7 GTB Red Graphic Vacuum Tubes 4 Strong Quad NOS
$95.00
Time Remaining: 15h 26m
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Nice Tested Strong Button GE 6SN7GTB f Old Ham Radio Tube Receiver Audio Amp
Nice Tested Strong Button GE 6SN7GTB f Old Ham Radio Tube Receiver Audio Amp
$1.50 (1 Bid)
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Nice Tested Strong Sylvania 6SN7WGTA f Old Ham Radio Tube Receiver Audio Amp
Nice Tested Strong Sylvania 6SN7WGTA f Old Ham Radio Tube Receiver Audio Amp
$1.75 (2 Bids)
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Nice Tested Strong WW2 Sylvania 6SN7GT f Old Ham Radio Tube Receiver Audio Amp
Nice Tested Strong WW2 Sylvania 6SN7GT f Old Ham Radio Tube Receiver Audio Amp
$1.75 (2 Bids)
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Nice Tested Good Tung Sol JAN 6SN7WGTA f Old Ham Radio Tube Receiver Audio Amp
Nice Tested Good Tung Sol JAN 6SN7WGTA f Old Ham Radio Tube Receiver Audio Amp
$1.50 (1 Bid)
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2 Pcs M P RCA Black Plate Side Getter 6SN7GTB Audio Radio Vacuum Tubes Tested
2 Pcs M P RCA Black Plate Side Getter 6SN7GTB Audio Radio Vacuum Tubes Tested
$50.00
Time Remaining: 15h 57m
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2 matched 1954 RCA 6SN7GT tubes Black Ladder P Copper Grid P Flat D Getter
2 matched 1954 RCA 6SN7GT tubes Black Ladder P Copper Grid P Flat D Getter
$73.95
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RCA Tung Sol USA 6SN7GT 6SN7 VT231 black plate tall glass strong pair tubes used
RCA Tung Sol USA 6SN7GT 6SN7 VT231 black plate tall glass strong pair tubes used
$28.00
Time Remaining: 16h 13m
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Strong RCA Black Plate Side O Getter 6SN7GTB Tube
Strong RCA Black Plate Side O Getter 6SN7GTB Tube
$18.74
Time Remaining: 16h 18m
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Four 6SN7GTB GT Select Tube Rolling QuadVintage Reference Plus Vintage Tubes
Four 6SN7GTB GT Select Tube Rolling QuadVintage Reference Plus Vintage Tubes
$85.00
Time Remaining: 16h 18m
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2 6SN7GTB Sylvania Chrome Top Vintage Tubes Highfidelity+Grade Lightly Used Pair
2 6SN7GTB Sylvania Chrome Top Vintage Tubes Highfidelity+Grade Lightly Used Pair
$42.00
Time Remaining: 16h 18m
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2 Strong Matched RCA made Black Plate Bottom D Getter 6SN7GTB Tubes
2 Strong Matched RCA made Black Plate Bottom D Getter 6SN7GTB Tubes
$26.24
Time Remaining: 16h 21m
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Vintage Channel Master 6SN7GTB marked JAPAN Television Radio Tube Tested
Vintage Channel Master 6SN7GTB marked JAPAN Television Radio Tube Tested
$10.00
Time Remaining: 16h 32m
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2 vacuum tubes SYLVANIA 6SN7GTB new old stock tested good
2 vacuum tubes SYLVANIA 6SN7GTB new old stock tested good
$52.00
Time Remaining: 16h 37m
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2 Strong Matched RCA made Black Plate Bottom D Getter 6SN7GTB Tubes 3
2 Strong Matched RCA made Black Plate Bottom D Getter 6SN7GTB Tubes 3
$26.24
Time Remaining: 16h 57m
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Pair Vintage Tung Sol 6SN7GTB Vacuum Tubes  Black Plate Tall Bottle Strong
Pair Vintage Tung Sol 6SN7GTB Vacuum Tubes Black Plate Tall Bottle Strong
$39.99
Time Remaining: 17h 20m
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4 MINT HIFI MATCHED QUAD SYLVANIA JAN 6SN7GTB 6SN7 WGTA GT Amp Tube Part NOS NIB
4 MINT HIFI MATCHED QUAD SYLVANIA JAN 6SN7GTB 6SN7 WGTA GT Amp Tube Part NOS NIB
$175.00
Time Remaining: 17h 21m
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GE Electronic Tube 6SN7GTB Stock  G117
GE Electronic Tube 6SN7GTB Stock G117
$10.00
Time Remaining: 17h 21m
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Two 6SN7GT Sylvania 2 Hole Plate Vintage Tubes Certified Reference Plus Pair
Two 6SN7GT Sylvania 2 Hole Plate Vintage Tubes Certified Reference Plus Pair
$125.00
Time Remaining: 17h 40m
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2 matched 1960 RCA 6SN7GTB tubes Black Ladder Plates Bottom   Getter
2 matched 1960 RCA 6SN7GTB tubes Black Ladder Plates Bottom Getter
$67.95
Time Remaining: 17h 41m
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6C8G 6F8G Marconi RCA 1945 Match Pair 6SN7 6SL7 Sub Use Adapters Round Plate
6C8G 6F8G Marconi RCA 1945 Match Pair 6SN7 6SL7 Sub Use Adapters Round Plate
$30.00
Time Remaining: 17h 44m
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2 matched 1958 59 RCA 6SN7GTB tubes Black Ladder Plates Bottom   Getter
2 matched 1958 59 RCA 6SN7GTB tubes Black Ladder Plates Bottom Getter
$59.95
Time Remaining: 17h 52m
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2 matched 1958 RCA 6SN7GTB tubes Black Ladder Plates Bottom   Getter
2 matched 1958 RCA 6SN7GTB tubes Black Ladder Plates Bottom Getter
$56.95
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2 matched 1958 RCA 6SN7GTB tubes Black Ladder Plates Bottom   Getter
2 matched 1958 RCA 6SN7GTB tubes Black Ladder Plates Bottom Getter
$56.95
Time Remaining: 18h 4m
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Vintage RARE Tung Sol 6sn7 wgta red base
Vintage RARE Tung Sol 6sn7 wgta red base
$5.99 (1 Bid)
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2 matched 1958 RCA 6SN7GTB tubes Black Ladder Plates Bottom   Getter
2 matched 1958 RCA 6SN7GTB tubes Black Ladder Plates Bottom Getter
$50.95
Time Remaining: 18h 7m
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vintage 6sn7 gt tubes 3
vintage 6sn7 gt tubes 3
$4.99 (1 Bid)
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2 matched 1956 57 RCA 6SN7GTB tubes Black Ladder Plates Bottom   Getter
2 matched 1956 57 RCA 6SN7GTB tubes Black Ladder Plates Bottom Getter
$59.95
Time Remaining: 18h 20m
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2 matched 1956 RCA 6SN7GTB tubes Black Ladder Plates Bottom   Getter
2 matched 1956 RCA 6SN7GTB tubes Black Ladder Plates Bottom Getter
$59.95
Time Remaining: 18h 24m
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2 matched 1956 RCA 6SN7GTB tubes Black Ladder Plates Bottom   Getter
2 matched 1956 RCA 6SN7GTB tubes Black Ladder Plates Bottom Getter
$59.95
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2 matched 1957 58 RCA 6SN7GTB tubes Black Ladder Plates Bottom   Getter
2 matched 1957 58 RCA 6SN7GTB tubes Black Ladder Plates Bottom Getter
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2 matched 1957 58 RCA 6SN7GTB tubes Black Ladder Plates Bottom   Getter
2 matched 1957 58 RCA 6SN7GTB tubes Black Ladder Plates Bottom Getter
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