Tung-Sol TWO Factory Tested PAIR 6SN7 6SN7GTB Tubes, NEW


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Tung-Sol TWO Factory Tested PAIR 6SN7 6SN7GTB Tubes, NEW

(4) Vintage GE 6SN7GTB Vacuum Tubes NOS With Boxes Late 60s Early 70s Made USA


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(4) Vintage GE 6SN7GTB Vacuum Tubes NOS With Boxes Late 60s Early 70s Made USA

1 Pair Tung-Sol 6SN7 GTB Vintage Tubes. Black Plates, Top Horseshoe Getter [C8]


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1 Pair Tung-Sol 6SN7 GTB Vintage Tubes. Black Plates, Top Horseshoe Getter [C8]

Vintage Pair Of RCA 6SN7GTB Matched Tubes Tested Strong VG++


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Vintage Pair Of RCA 6SN7GTB Matched Tubes Tested Strong VG++

New Gain Matched Quad (4) Tung-Sol Reissue 6SN7GTB Vacuum Tubes 6SN7 6SN7GT


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New Gain Matched Quad (4) Tung-Sol Reissue 6SN7GTB Vacuum Tubes 6SN7 6SN7GT

1 NOS Tungsol/Tung-Sol 6SN7GTB Vacuum Tube ~ Tests Good


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1 NOS Tungsol/Tung-Sol 6SN7GTB Vacuum Tube ~ Tests Good

STRONG MATCHED PAIRS 1955 RAYTHEON 6SN7GTB BLACK PLATE VACUUM TUBES AMP 6SN7


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STRONG MATCHED PAIRS 1955 RAYTHEON 6SN7GTB BLACK PLATE VACUUM TUBES AMP 6SN7

(4) Match Quad Of RCA NOS/NIB 6SN7GTB Audio Vacuum Tubes TV-7 Tested


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(4) Match Quad Of RCA NOS/NIB 6SN7GTB Audio Vacuum Tubes TV-7 Tested

QUAD (4) 1956 RAYTHEON 6SN7 GTB AUDIO TUBES - BLACK PLATES - SIDE D GETTRS - NOS


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QUAD (4) 1956 RAYTHEON 6SN7 GTB AUDIO TUBES - BLACK PLATES - SIDE D GETTRS - NOS

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


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

(3) RCA 6SN7GTB twin triode audio tubes


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(3) RCA 6SN7GTB twin triode audio tubes

2 NOS Matched Sylvania Zenith 6SN7GTB Chrome Dome Audio Tubes USA


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2 NOS Matched Sylvania Zenith 6SN7GTB Chrome Dome Audio Tubes USA

ONE RCA 6SN7 6SN7GTB Vacuum Tube D HICKOK 539C TESTED


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ONE RCA 6SN7 6SN7GTB Vacuum Tube D HICKOK 539C TESTED

TUNG SOL MATCHED PAIR NOS 6SN7 GTB TALL LONG BLACK PLATE Vacuum Tube


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TUNG SOL MATCHED PAIR NOS 6SN7 GTB TALL LONG BLACK PLATE Vacuum Tube

(1) Match Quad Of Raytheon Thick Base 6SN7GTB Audio Vacuum Tubes


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(1) Match Quad Of Raytheon Thick Base 6SN7GTB Audio Vacuum Tubes

SYLVANIA 6SN7 GTB PLATINUM MATCHED PAIR well balanced Gm & Ip


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SYLVANIA 6SN7 GTB PLATINUM MATCHED PAIR well balanced Gm & Ip

SYLVANIA 6SN7 GTB TALL GLASS Well-Balanced Gm & Ip PLATINUM MATCHED PAIR


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SYLVANIA 6SN7 GTB TALL GLASS Well-Balanced Gm & Ip PLATINUM MATCHED PAIR

(1) Match Quad Of Sylvania 6SN7GTB Audio Vacuum Tubes TV-7 Tested


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(1) Match Quad Of Sylvania 6SN7GTB Audio Vacuum Tubes TV-7 Tested

Code Matched Pair 6SN7GTB GE NOS NIB Tubes, TV-7D tested 131%+


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Code Matched Pair 6SN7GTB GE NOS NIB Tubes, TV-7D tested 131%+

NOS Matched Pair Westinghouse 6SN7GTB Tubes-Same Codes


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NOS Matched Pair Westinghouse 6SN7GTB Tubes-Same Codes

Matched Pair 6SN7GTB RCA NOS NIB Tubes, TV-7D tested 119%+ - will combine ship


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Matched Pair 6SN7GTB RCA NOS NIB Tubes, TV-7D tested 119%+ - will combine ship

Sylvania 6SN7 GTB- Vintage Tube tested


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Sylvania 6SN7 GTB- Vintage Tube tested

ONE RCA 6SN7 6SN7GTB Vacuum Tube J HICKOK 539C TESTED


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ONE RCA 6SN7 6SN7GTB Vacuum Tube J HICKOK 539C TESTED

Single RCA Black Plate 6SN7 GTB High Test Near NOS NIB 1of 3


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Single RCA Black Plate 6SN7 GTB High Test Near NOS NIB 1of 3

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*

Pair SYLVANIA Chrome dome 6SN7 6SN7GTB Vacuum Tubes HICKOK 539C TESTED


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Pair SYLVANIA Chrome dome 6SN7 6SN7GTB Vacuum Tubes HICKOK 539C TESTED

Sylvania Baldwin 6SN7 6SN7GTB Black Wing Plate - Dual Triode Matched Pair


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Sylvania Baldwin 6SN7 6SN7GTB Black Wing Plate - Dual Triode Matched Pair

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

2 NOS Matched GE 6SN7GTB Audio Tubes USA 1964


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2 NOS Matched GE 6SN7GTB Audio Tubes USA 1964

Raytheon 6SN7GTB Tall Bottle Audio Receiver Guitar Vacuum Tubes Tested Pair


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Raytheon 6SN7GTB Tall Bottle Audio Receiver Guitar Vacuum Tubes Tested Pair

2 Strong Matched RCA Black Plate O Getter 6SN7GTB Tubes


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2 Strong Matched RCA Black Plate O Getter 6SN7GTB Tubes

ONE RCA 6SN7 6SN7GTB clear glass Vacuum Tube G HICKOK 539C TESTED


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ONE RCA 6SN7 6SN7GTB clear glass Vacuum Tube G HICKOK 539C TESTED

2 NOS Matched GE 6SN7GTB Audio Tubes USA '70's


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2 NOS Matched GE 6SN7GTB Audio Tubes USA '70's

Vintage Sylvania 6SN7GTB Tested Strong


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Vintage Sylvania 6SN7GTB Tested Strong