1958 Sylvania 6SN7 GTB PLATINUM PLUS GRADE Chrome Top Preamp Tubes Matched Pair


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1958 Sylvania 6SN7 GTB PLATINUM PLUS GRADE Chrome Top Preamp Tubes Matched Pair

4 NOS FAA 6SN7GTB Sylvania Black Plate Vacuum Tubes


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4 NOS FAA 6SN7GTB Sylvania Black Plate Vacuum Tubes

8 Tube small lot vntg 6SN7GTB Chrome Top Sylvania TV-7 tested 6SN7 baldwin


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8 Tube small lot vntg 6SN7GTB Chrome Top Sylvania TV-7 tested 6SN7 baldwin

2 NOS NIB RCA 6SN7GTB Black Plate Tubes USA


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2 NOS NIB RCA 6SN7GTB Black Plate Tubes USA

2 Sylvania 6SN7GTB chrome top amplifier tubes (1956) . TV-7 test strong to NOS.


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2 Sylvania 6SN7GTB chrome top amplifier tubes (1956) . TV-7 test strong to NOS.

Estate Vintage Vacuum Electron Audio Tube Tubes LOT SET 6SN7 GTB


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Estate Vintage Vacuum Electron Audio Tube Tubes LOT SET 6SN7 GTB

Estate Vintage Vacuum Electron Audio Tube Tubes LOT SET 6SN7 GTB


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Estate Vintage Vacuum Electron Audio Tube Tubes LOT SET 6SN7 GTB

New Gain Matched Pair (2) Tung-Sol Reissue 6SN7GTB Vacuum Tubes 6SN7 6SN7GT


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New Gain Matched Pair (2) Tung-Sol Reissue 6SN7GTB Vacuum Tubes 6SN7 6SN7GT

Westinghouse 6SN7GTB Vacuum Tubes *PLATINUM MATCHED PAIR* GM = NOS on AT1000


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Westinghouse 6SN7GTB Vacuum Tubes *PLATINUM MATCHED PAIR* GM = NOS on AT1000

Tung-Sol 6SN7GTB New Prod. Preamp Vacuum Tube


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Tung-Sol 6SN7GTB New Prod. Preamp Vacuum Tube

2 ea NOS GE 6SN7 GTB Audio Tubes


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2 ea NOS GE 6SN7 GTB Audio Tubes

RAYTHEON 6SN7GTB "Side Getter-Short Bottle" Vacuum Tubes *PLATINUM MATCHED PAIR*


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RAYTHEON 6SN7GTB "Side Getter-Short Bottle" Vacuum Tubes *PLATINUM MATCHED PAIR*

2-6SN7GTB Sylvania/Baldwin Top Getter Vintage Tubes Certified* Reference+ Pair


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2-6SN7GTB Sylvania/Baldwin Top Getter Vintage Tubes Certified* Reference+ Pair

21 Tube LOT '59 vntg 6SN7GTB Chrome Top Sylvania TV-7 tested 6SN7 baldwin


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21 Tube LOT '59 vntg 6SN7GTB Chrome Top Sylvania TV-7 tested 6SN7 baldwin

2 x 6SN7gtb GE Tubes *Very Strong "Bogey" Tubes*Matching*NOS*NIB*(2 pair avail)


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2 x 6SN7gtb GE Tubes *Very Strong "Bogey" Tubes*Matching*NOS*NIB*(2 pair avail)

Raytheon 6SN7 GTB Vacuum Tube Pair (valves) matched NOS


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Raytheon 6SN7 GTB Vacuum Tube Pair (valves) matched NOS

Raytheon 6SN7 GTB Vacuum Tube Pair (valves) perfectly matched NOS


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Raytheon 6SN7 GTB Vacuum Tube Pair (valves) perfectly matched NOS

GE 6SN7GTA(3) AND GE 6SN7GTB(1)AUDIO TUBES-FOUR IN THE SET-CLEAN QUARTET-VINTAGE


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GE 6SN7GTA(3) AND GE 6SN7GTB(1)AUDIO TUBES-FOUR IN THE SET-CLEAN QUARTET-VINTAGE

Tung-Sol 6SN7GTB "Tall Bottle Halo" Vacuum Tubes - PLATINUM MATCHED PAIR - NOS


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Tung-Sol 6SN7GTB "Tall Bottle Halo" Vacuum Tubes - PLATINUM MATCHED PAIR - NOS

PAIR OF RCA 6SN7 GTB HAM RADIO GUITAR AMP VACUUM TUBES TESTED VERY GOOD!


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PAIR OF RCA 6SN7 GTB HAM RADIO GUITAR AMP VACUUM TUBES TESTED VERY GOOD!

Tung-Sol SINGLE ONE Factory Tested 6SN7 6SN7GTB Tubes, NEW


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Tung-Sol SINGLE ONE Factory Tested 6SN7 6SN7GTB Tubes, NEW

2 NOS NIB Matched Westinghouse 6SN7GTB Audio Tubes USA


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2 NOS NIB Matched Westinghouse 6SN7GTB Audio Tubes USA

SYLVANIA 6SN7GTB Vacuum Tube BLACK PLATE Lot F-7


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SYLVANIA 6SN7GTB Vacuum Tube BLACK PLATE Lot F-7

2- 6SN7GTB Sylvania Chrome Top Vintage Tubes Reference Plus Grade High End Pair


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2- 6SN7GTB Sylvania Chrome Top Vintage Tubes Reference Plus Grade High End Pair

Westinghouse 6SN7GTB Vacuum Tubes *PLATINUM MATCHED PAIR* GM = NOS on AT1000


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Westinghouse 6SN7GTB Vacuum Tubes *PLATINUM MATCHED PAIR* GM = NOS on AT1000

2 x 6sn7gtb Sylvania/Baldwin Tubes*Black Plates*Very Strong Pair*


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2 x 6sn7gtb Sylvania/Baldwin Tubes*Black Plates*Very Strong Pair*

Tung-Sol 6SN7GTB "Tall Bottle Halo" Vacuum Tubes - PLATINUM MATCHED PAIR - NOS


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Tung-Sol 6SN7GTB "Tall Bottle Halo" Vacuum Tubes - PLATINUM MATCHED PAIR - NOS

SYLVANIA / PHILLIPS 6SN7 GTB NOS Well-Balanced Gm & Ip PLATINUM MATCHED PAIR


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SYLVANIA / PHILLIPS 6SN7 GTB NOS Well-Balanced Gm & Ip PLATINUM MATCHED PAIR

SYLVANIA 6SN7 GTB / GTA PLATINUM MATCHED PAIR well balanced Gm & Ip TEST NOS


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SYLVANIA 6SN7 GTB / GTA PLATINUM MATCHED PAIR well balanced Gm & Ip TEST NOS

6SN7GTB LOT OF 2 SYLVANIA CHROME TOP TUBES, TV-7 D/U TESTED


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6SN7GTB LOT OF 2 SYLVANIA CHROME TOP TUBES, TV-7 D/U TESTED

RAYTHEON 6SN7GTB "Side Getter-Short Bottle" Vacuum Tubes *PLATINUM MATCHED PAIR*


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RAYTHEON 6SN7GTB "Side Getter-Short Bottle" Vacuum Tubes *PLATINUM MATCHED PAIR*

2-6SN7GTB Raytheon/Baldwin Top Getter Vintage Tubes Certified* Reference+ Pair


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2-6SN7GTB Raytheon/Baldwin Top Getter Vintage Tubes Certified* Reference+ Pair

Vintage AMPEREX 6SN7GTB TUBE NOS NIB Vacuum Tube


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Vintage AMPEREX 6SN7GTB TUBE NOS NIB Vacuum Tube

Tung Sol 6SN7GTB Tall Boy Vacuum Tube New Old Stock


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Tung Sol 6SN7GTB Tall Boy Vacuum Tube New Old Stock

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